{"id":"CVE-2025-0678","aliases":["AZL-57669","AZL-57703","BELL-CVE-2025-0678","CLSA-2025-1742805183","CLSA-2025-1744213211","CLSA-2025-1744222859","CLSA-2025-1744628858","CLSA-2025-1744717794","CLSA-2025-1744724536","CLSA-2025-1751285777","DEBIAN-CVE-2025-0678","EUVD-2025-5569","GHSA-q67r-p3hc-x2w9","OESA-2025-1216","OESA-2025-1217","OESA-2025-1218","OESA-2025-1291","OESA-2025-1292","SUSE-SU-2025:01961-1","SUSE-SU-2025:0586-1","SUSE-SU-2025:0587-1","SUSE-SU-2025:0588-1","SUSE-SU-2025:0607-1","SUSE-SU-2025:0629-1","SUSE-SU-2025:20511-1","SUSE-SU-2025:20863-1","UBUNTU-CVE-2025-0678","openSUSE-SU-2025:14822-1"],"status":"published","title":"Grub2: squash4: integer overflow may lead to heap based out-of-bounds write when reading data","description":"A flaw was found in grub2. When reading data from a squash4 filesystem, grub's squash4 fs module uses user-controlled parameters from the filesystem geometry to determine the internal buffer size, however, it improperly checks for integer overflows. A maliciously crafted filesystem may lead some of those buffer size calculations to overflow, causing it to perform a grub_malloc() operation with a smaller size than expected. As a result, the direct_read() will perform a heap based out-of-bounds write during data reading. This flaw may be leveraged to corrupt grub's internal critical data and may result in arbitrary code execution, by-passing secure boot protections.","severity":{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00295,"percentile":0.22277,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-190","CWE-787"],"published":"2025-02-18T18:00:00Z","modified":"2026-11-05T15:17:06Z","fixes":[{"ecosystem":"Azure Linux:2","package":"grub2","fixed_in":["2.06-15"],"sources":["osv"]},{"ecosystem":"Azure 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web"]},{"url":"https://www.suse.com/security/cve/CVE-2023-4693","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2024-45774","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2024-45775","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2024-45776","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2024-45777","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2024-45778","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2024-45779","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2024-45780","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2024-45781","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2024-45782","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2024-45783","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2024-56737","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-0622","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-0624","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-0677","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-0678","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-0684","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-0685","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-0686","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-0689","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-0690","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-1118","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-1125","tags":["web"]},{"url":"https://www.suse.com/support/update/announcement/2025/suse-su-20250586-1/","tags":["advisory"]},{"url":"https://bugzilla.suse.com/1229163","tags":["report"]},{"url":"https://bugzilla.suse.com/1229164","tags":["report"]},{"url":"https://www.suse.com/security/cve/CVE-2024-49504","tags":["web"]},{"url":"https://www.suse.com/support/update/announcement/2025/suse-su-20250587-1/","tags":["advisory"]},{"url":"https://www.suse.com/support/update/announcement/2025/suse-su-20250588-1/","tags":["advisory"]},{"url":"https://www.suse.com/support/update/announcement/2025/suse-su-20250607-1/","tags":["advisory"]},{"url":"https://www.suse.com/support/update/announcement/2025/suse-su-20250629-1/","tags":["advisory"]},{"url":"https://www.suse.com/support/update/announcement/2025/suse-su-202520511-1/","tags":["advisory"]},{"url":"https://bugzilla.suse.com/1239674","tags":["report"]},{"url":"https://bugzilla.suse.com/1242971","tags":["report"]},{"url":"https://www.suse.com/security/cve/CVE-2025-4382","tags":["web"]},{"url":"https://www.suse.com/support/update/announcement/2025/suse-su-202520863-1/","tags":["advisory"]},{"url":"https://bugzilla.suse.com/1230840","tags":["report"]},{"url":"https://bugzilla.suse.com/1231591","tags":["report"]},{"url":"https://bugzilla.suse.com/1232411","tags":["report"]},{"url":"https://bugzilla.suse.com/1234959","tags":["report"]},{"url":"https://bugzilla.suse.com/1247242","tags":["report"]},{"url":"https://bugzilla.suse.com/1249140","tags":["report"]},{"url":"https://www.suse.com/security/cve/CVE-2024-56738","tags":["web"]},{"url":"https://ubuntu.com/security/CVE-2025-0678","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2025-0678","tags":["report"]},{"url":"https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/ASOEHBP5LS2I6OPV4KMUZIY2AF7IGH4E/","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2025-0678","title":"Grub2: squash4: integer overflow may lead to heap based out-of-bounds write when reading data","description":"A flaw was found in grub2. When reading data from a squash4 filesystem, grub's squash4 fs module uses user-controlled parameters from the filesystem geometry to determine the internal buffer size, however, it improperly checks for integer overflows. A maliciously crafted filesystem may lead some of those buffer size calculations to overflow, causing it to perform a grub_malloc() operation with a smaller size than expected. As a result, the direct_read() will perform a heap based out-of-bounds write during data reading. This flaw may be leveraged to corrupt grub's internal critical data and may result in arbitrary code execution, by-passing secure boot protections.","status":"published","published":"2025-03-03T17:05:41.928Z","modified":"2026-11-05T14:46:18.424Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-190"],"updated_at":"2026-11-05T16:36:33.176634Z"}],"euvd":[{"id":"EUVD-2025-5569","description":"A flaw was found in grub2. When reading data from a squash4 filesystem, grub's squash4 fs module uses user-controlled parameters from the filesystem geometry to determine the internal buffer size, however, it improperly checks for integer overflows. A maliciously crafted filesystem may lead some of those buffer size calculations to overflow, causing it to perform a grub_malloc() operation with a smaller size than expected. As a result, the direct_read() will perform a heap based out-of-bounds write during data reading. This flaw may be leveraged to corrupt grub's internal critical data and may result in arbitrary code execution, by-passing secure boot protections.","status":"published","published":"2025-03-03T17:05:41Z","modified":"2026-11-05T14:46:18Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-05T16:59:57.067043Z"}],"ghsa":[{"id":"GHSA-q67r-p3hc-x2w9","title":"A flaw was found in grub2. When reading data from a squash4 filesystem, grub's squash4 fs module...","description":"A flaw was found in grub2. When reading data from a squash4 filesystem, grub's squash4 fs module uses user-controlled parameters from the filesystem geometry to determine the internal buffer size, however, it improperly checks for integer overflows. A maliciously crafted filesystem may lead some of those buffer size calculations to overflow, causing it to perform a grub_malloc() operation with a smaller size than expected. As a result, the direct_read() will perform a heap based out-of-bounds write during data reading. This flaw may be leveraged to corrupt grub's internal critical data and may result in arbitrary code execution, by-passing secure boot protections.","status":"published","published":"2025-03-03T18:31:29Z","modified":"2026-06-26T00:31:59Z","cvss":[{"version":"3.1","score":6.4,"vector":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"medium"}],"cwes":["CWE-190","CWE-787"],"updated_at":"2026-11-02T15:08:59.978633Z"}],"nvd":[{"id":"CVE-2025-0678","description":"A flaw was found in grub2. When reading data from a squash4 filesystem, grub's squash4 fs module uses user-controlled parameters from the filesystem geometry to determine the internal buffer size, however, it improperly checks for integer overflows. A maliciously crafted filesystem may lead some of those buffer size calculations to overflow, causing it to perform a grub_malloc() operation with a smaller size than expected. As a result, the direct_read() will perform a heap based out-of-bounds write during data reading. This flaw may be leveraged to corrupt grub's internal critical data and may result in arbitrary code execution, by-passing secure boot protections.","status":"published","published":"2025-03-03T17:15:14.053Z","modified":"2026-11-05T15:17:06.72Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"},{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-190"],"updated_at":"2026-11-05T19:55:50.758755Z"}],"osv":[{"id":"AZL-57669","title":"CVE-2025-0678 affecting package grub2 for versions less than 2.06-15","description":"A flaw was found in grub2. When reading data from a squash4 filesystem, grub's squash4 fs module uses user-controlled parameters from the filesystem geometry to determine the internal buffer size, however, it improperly checks for integer overflows. A maliciously crafted filesystem may lead some of those buffer size calculations to overflow, causing it to perform a grub_malloc() operation with a smaller size than expected. As a result, the direct_read() will perform a heap based out-of-bounds write during data reading. This flaw may be leveraged to corrupt grub's internal critical data and may result in arbitrary code execution, by-passing secure boot protections.","status":"published","published":"2025-03-03T17:15:14Z","modified":"2026-04-21T04:36:58.721369Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:28:07.209678Z"},{"id":"AZL-57703","title":"CVE-2025-0678 affecting package grub2 for versions less than 2.06-25","description":"A flaw was found in grub2. When reading data from a squash4 filesystem, grub's squash4 fs module uses user-controlled parameters from the filesystem geometry to determine the internal buffer size, however, it improperly checks for integer overflows. A maliciously crafted filesystem may lead some of those buffer size calculations to overflow, causing it to perform a grub_malloc() operation with a smaller size than expected. As a result, the direct_read() will perform a heap based out-of-bounds write during data reading. This flaw may be leveraged to corrupt grub's internal critical data and may result in arbitrary code execution, by-passing secure boot protections.","status":"published","published":"2025-03-03T17:15:14Z","modified":"2026-11-05T05:40:51Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-05T16:41:21.162429Z"},{"id":"BELL-CVE-2025-0678","status":"published","published":"2025-02-19T05:57:00.837041Z","modified":"2026-01-26T09:41:21.408967Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:28:21.227396Z"},{"id":"CVE-2025-0678","description":"A flaw was found in grub2. When reading data from a squash4 filesystem, grub's squash4 fs module uses user-controlled parameters from the filesystem geometry to determine the internal buffer size, however, it improperly checks for integer overflows. A maliciously crafted filesystem may lead some of those buffer size calculations to overflow, causing it to perform a grub_malloc() operation with a smaller size than expected. As a result, the direct_read() will perform a heap based out-of-bounds write during data reading. This flaw may be leveraged to corrupt grub's internal critical data and may result in arbitrary code execution, by-passing secure boot protections.","status":"published","published":"2025-03-03T17:15:14.053Z","modified":"2026-04-10T05:20:19.378376Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:44:45.712478Z"},{"id":"DEBIAN-CVE-2025-0678","description":"A flaw was found in grub2. When reading data from a squash4 filesystem, grub's squash4 fs module uses user-controlled parameters from the filesystem geometry to determine the internal buffer size, however, it improperly checks for integer overflows. A maliciously crafted filesystem may lead some of those buffer size calculations to overflow, causing it to perform a grub_malloc() operation with a smaller size than expected. As a result, the direct_read() will perform a heap based out-of-bounds write during data reading. This flaw may be leveraged to corrupt grub's internal critical data and may result in arbitrary code execution, by-passing secure boot protections.","status":"published","published":"2025-03-03T17:15:14.053Z","modified":"2026-10-23T17:47:35.259048005Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:45:44.747956Z"},{"id":"OESA-2025-1216","title":"grub2 security update","description":"GNU GRUB is a Multiboot boot loader. It was derived from GRUB, the GRand Unified Bootloader, which was originally designed and implemented by Erich Stefan Boleyn.\r\n\r\nSecurity Fix(es):\n\nA flaw was found in grub2. A specially crafted JPEG file can cause the JPEG parser of grub2 to incorrectly check the bounds of its internal buffers, resulting in an out-of-bounds write. The possibility of overwriting sensitive information to bypass secure boot protections is not discarded.(CVE-2024-45774)\n\nA flaw was found in grub2 where the grub_extcmd_dispatcher() function calls grub_arg_list_alloc() to allocate memory for the grub\u0026apos;s argument list. However, it fails to check in case the memory allocation fails. Once the allocation fails, a NULL point will be processed by the parse_option() function, leading grub to crash or, in some rare scenarios, corrupt the IVT data.(CVE-2024-45775)\n\nWhen reading the language .mo file in grub_mofile_open(), grub2 fails to verify an integer overflow when allocating its internal buffer. A crafted .mo file may lead the buffer size calculation to overflow, leading to out-of-bound reads and writes. This flaw allows an attacker to leak sensitive data or overwrite critical data, possibly circumventing secure boot protections.(CVE-2024-45776)\n\nA flaw was found in grub2. The calculation of the translation buffer when reading a language .mo file in grub_gettext_getstr_from_position() may overflow, leading to a Out-of-bound write. This issue can be leveraged by an attacker to overwrite grub2\u0026apos;s sensitive heap data, eventually leading to the circumvention of secure boot protections.(CVE-2024-45777)\n\nA stack overflow flaw was found when reading a BFS file system. A crafted BFS filesystem may lead to an uncontrolled loop, causing grub2 to crash.(CVE-2024-45778)\n\nAn integer overflow flaw was found in the BFS file system driver in grub2. When reading a file with an indirect extent map, grub2 fails to validate the number of extent entries to be read. A crafted or corrupted BFS filesystem may cause an integer overflow during the file reading, leading to a heap of bounds read. As a consequence, sensitive data may be leaked, or grub2 will crash.(CVE-2024-45779)\n\nA flaw was found in grub2. When reading tar files, grub2 allocates an internal buffer for the file name. However, it fails to properly verify the allocation against possible integer overflows. It\u0026apos;s possible to cause the allocation length to overflow with a crafted tar file, leading to a heap out-of-bounds write. This flaw eventually allows an attacker to circumvent secure boot protections.(CVE-2024-45780)\n\nA flaw was found in grub2. When reading a symbolic link\u0026apos;s name from a UFS filesystem, grub2 fails to validate the string length taken as an input. The lack of validation may lead to a heap out-of-bounds write, causing data integrity issues and eventually allowing an attacker to circumvent secure boot protections.(CVE-2024-45781)\n\nA flaw was found in the HFS filesystem. When reading an HFS volume\u0026apos;s name at grub_fs_mount(), the HFS filesystem driver performs a strcpy() using the user-provided volume name as input without properly validating the volume name\u0026apos;s length. This issue may read to a heap-based out-of-bounds writer, impacting grub\u0026apos;s sensitive data integrity and eventually leading to a secure boot protection bypass.(CVE-2024-45782)\n\nA flaw was found in grub2. When failing to mount an HFS+ grub, the hfsplus filesystem driver doesn\u0026apos;t properly set an ERRNO value. This issue may lead to a NULL pointer access.(CVE-2024-45783)\n\nGNU GRUB (aka GRUB2) through 2.12 has a heap-based buffer overflow in fs/hfs.c via crafted sblock data in an HFS filesystem.(CVE-2024-56737)\n\nA flaw was found in command/gpg. In some scenarios, hooks created by loaded modules are not removed when the related module is unloaded. This flaw allows an attacker to force grub2 to call the hooks once the module that registered it was unloaded, leading to a use-after-free vulnerability. If correctly exploited, this vulnerability may result in arbitrary code execution, eventually allowing the attacker to bypass secure boot protections.(CVE-2025-0622)\n\nA flaw was found in grub2. During the network boot process, when trying to search for the configuration file, grub copies data from a user controlled environment variable into an internal buffer using the grub_strcpy() function. During this step, it fails to consider the environment variable length when allocating the internal buffer, resulting in an out-of-bounds write. If correctly exploited, this issue may result in remote code execution through the same network segment grub is searching for the boot information, which can be used to by-pass secure boot protections.(CVE-2025-0624)\n\nA flaw was found in grub2. When performing a symlink lookup, the grub\u0026apos;s UFS module checks the inode\u0026apos;s data size to allocate the internal buffer to read the file content, however, it fails to check if the symlink data size has overflown. When this occurs, grub_malloc() may be called with a smaller value than needed. When further reading the data from the disk into the buffer, the grub_ufs_lookup_symlink() function will write past the end of the allocated size. An attack can leverage this by crafting a malicious filesystem, and as a result, it will corrupt data stored in the heap, allowing for arbitrary code execution used to by-pass secure boot mechanisms.(CVE-2025-0677)\n\nA flaw was found in grub2. When reading data from a squash4 filesystem, grub\u0026apos;s squash4 fs module uses user-controlled parameters from the filesystem geometry to determine the internal buffer size, however, it improperly checks for integer overflows. A maliciously crafted filesystem may lead some of those buffer size calculations to overflow, causing it to perform a grub_malloc() operation with a smaller size than expected. As a result, the direct_read() will perform a heap based out-of-bounds write during data reading. This flaw may be leveraged to corrupt grub\u0026apos;s internal critical data and may result in arbitrary code execution, by-passing secure boot protections.(CVE-2025-0678)\n\nA flaw was found in grub2. When performing a symlink lookup from a reiserfs filesystem, grub\u0026apos;s reiserfs fs module uses user-controlled parameters from the filesystem geometry to determine the internal buffer size, however, it improperly checks for integer overflows. A maliciouly crafted filesystem may lead some of those buffer size calculations to overflow, causing it to perform a grub_malloc() operation with a smaller size than expected. As a result, the grub_reiserfs_read_symlink() will call grub_reiserfs_read_real() with a overflown length parameter, leading to a heap based out-of-bounds write during data reading. This flaw may be leveraged to corrupt grub\u0026apos;s internal critical data and can result in arbitrary code execution, by-passing secure boot protections.(CVE-2025-0684)\n\nA flaw was found in grub2. When reading data from a jfs filesystem, grub\u0026apos;s jfs filesystem module uses user-controlled parameters from the filesystem geometry to determine the internal buffer size, however, it improperly checks for integer overflows. A maliciouly crafted filesystem may lead some of those buffer size calculations to overflow, causing it to perform a grub_malloc() operation with a smaller size than expected. As a result, the grub_jfs_lookup_symlink() function will write past the internal buffer length during grub_jfs_read_file(). This issue can be leveraged to corrupt grub\u0026apos;s internal critical data and may result in arbitrary code execution, by-passing secure boot protections.(CVE-2025-0685)\n\nA flaw was found in grub2. When performing a symlink lookup from a romfs filesystem, grub\u0026apos;s romfs filesystem module uses user-controlled parameters from the filesystem geometry to determine the internal buffer size, however, it improperly checks for integer overflows. A maliciously crafted filesystem may lead some of those buffer size calculations to overflow, causing it to perform a grub_malloc() operation with a smaller size than expected. As a result, the grub_romfs_read_symlink() may cause out-of-bounds writes when the calling grub_disk_read() function. This issue may be leveraged to corrupt grub\u0026apos;s internal critical data and can result in arbitrary code execution by-passing secure boot protections.(CVE-2025-0686)\n\nWhen reading data from disk, the grub\u0026apos;s UDF filesystem module utilizes the user controlled data length metadata to allocate its internal buffers. In certain scenarios, while iterating through disk sectors, it assumes the read size from the disk is always smaller than the allocated buffer size which is not guaranteed. A crafted filesystem image may lead to a heap-based buffer overflow resulting in critical data to be corrupted, resulting in the risk of arbitrary code execution by-passing secure boot protections.(CVE-2025-0689)\n\nThe read command is used to read the keyboard input from the user, while reads it keeps the input length in a 32-bit integer value which is further used to reallocate the line buffer to accept the next character. During this process, with a line big enough it\u0026apos;s possible to make this variable to overflow leading to a out-of-bounds write in the heap based buffer. This flaw may be leveraged to corrupt grub\u0026apos;s internal critical data and secure boot bypass is not discarded as consequence.(CVE-2025-0690)\n\nA flaw was found in grub2. Grub\u0026apos;s dump command is not blocked when grub is in lockdown mode, which allows the user to read any memory information, and an attacker may leverage this in order to extract signatures, salts, and other sensitive information from the memory.(CVE-2025-1118)\n\nWhen reading data from a hfs filesystem, grub\u0026apos;s hfs filesystem module uses user-controlled parameters from the filesystem metadata to calculate the internal buffers size, however it misses to properly check for integer overflows. A maliciouly crafted filesystem may lead some of those buffer size calculation to overflow, causing it to perform a grub_malloc() operation with a smaller size than expected. As a result the hfsplus_open_compressed_real() function will write past of the internal buffer length. This flaw may be leveraged to corrupt grub\u0026apos;s internal critical data and may result in arbitrary code execution by-passing secure boot protections.(CVE-2025-1125)","status":"published","published":"2025-02-28T11:08:18Z","modified":"2026-08-18T01:18:49.370633875Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:52:42.253598Z"},{"id":"OESA-2025-1217","title":"grub2 security update","description":"GNU GRUB is a Multiboot boot loader. It was derived from GRUB, the GRand Unified Bootloader, which was originally designed and implemented by Erich Stefan Boleyn.\r\n\r\nSecurity Fix(es):\n\nA flaw was found in grub2. A specially crafted JPEG file can cause the JPEG parser of grub2 to incorrectly check the bounds of its internal buffers, resulting in an out-of-bounds write. The possibility of overwriting sensitive information to bypass secure boot protections is not discarded.(CVE-2024-45774)\n\nA flaw was found in grub2 where the grub_extcmd_dispatcher() function calls grub_arg_list_alloc() to allocate memory for the grub\u0026apos;s argument list. However, it fails to check in case the memory allocation fails. Once the allocation fails, a NULL point will be processed by the parse_option() function, leading grub to crash or, in some rare scenarios, corrupt the IVT data.(CVE-2024-45775)\n\nWhen reading the language .mo file in grub_mofile_open(), grub2 fails to verify an integer overflow when allocating its internal buffer. A crafted .mo file may lead the buffer size calculation to overflow, leading to out-of-bound reads and writes. This flaw allows an attacker to leak sensitive data or overwrite critical data, possibly circumventing secure boot protections.(CVE-2024-45776)\n\nA flaw was found in grub2. The calculation of the translation buffer when reading a language .mo file in grub_gettext_getstr_from_position() may overflow, leading to a Out-of-bound write. This issue can be leveraged by an attacker to overwrite grub2\u0026apos;s sensitive heap data, eventually leading to the circumvention of secure boot protections.(CVE-2024-45777)\n\nA stack overflow flaw was found when reading a BFS file system. A crafted BFS filesystem may lead to an uncontrolled loop, causing grub2 to crash.(CVE-2024-45778)\n\nAn integer overflow flaw was found in the BFS file system driver in grub2. When reading a file with an indirect extent map, grub2 fails to validate the number of extent entries to be read. A crafted or corrupted BFS filesystem may cause an integer overflow during the file reading, leading to a heap of bounds read. As a consequence, sensitive data may be leaked, or grub2 will crash.(CVE-2024-45779)\n\nA flaw was found in grub2. When reading tar files, grub2 allocates an internal buffer for the file name. However, it fails to properly verify the allocation against possible integer overflows. It\u0026apos;s possible to cause the allocation length to overflow with a crafted tar file, leading to a heap out-of-bounds write. This flaw eventually allows an attacker to circumvent secure boot protections.(CVE-2024-45780)\n\nA flaw was found in grub2. When reading a symbolic link\u0026apos;s name from a UFS filesystem, grub2 fails to validate the string length taken as an input. The lack of validation may lead to a heap out-of-bounds write, causing data integrity issues and eventually allowing an attacker to circumvent secure boot protections.(CVE-2024-45781)\n\nA flaw was found in the HFS filesystem. When reading an HFS volume\u0026apos;s name at grub_fs_mount(), the HFS filesystem driver performs a strcpy() using the user-provided volume name as input without properly validating the volume name\u0026apos;s length. This issue may read to a heap-based out-of-bounds writer, impacting grub\u0026apos;s sensitive data integrity and eventually leading to a secure boot protection bypass.(CVE-2024-45782)\n\nA flaw was found in grub2. When failing to mount an HFS+ grub, the hfsplus filesystem driver doesn\u0026apos;t properly set an ERRNO value. This issue may lead to a NULL pointer access.(CVE-2024-45783)\n\nGNU GRUB (aka GRUB2) through 2.12 has a heap-based buffer overflow in fs/hfs.c via crafted sblock data in an HFS filesystem.(CVE-2024-56737)\n\nA flaw was found in command/gpg. In some scenarios, hooks created by loaded modules are not removed when the related module is unloaded. This flaw allows an attacker to force grub2 to call the hooks once the module that registered it was unloaded, leading to a use-after-free vulnerability. If correctly exploited, this vulnerability may result in arbitrary code execution, eventually allowing the attacker to bypass secure boot protections.(CVE-2025-0622)\n\nA flaw was found in grub2. During the network boot process, when trying to search for the configuration file, grub copies data from a user controlled environment variable into an internal buffer using the grub_strcpy() function. During this step, it fails to consider the environment variable length when allocating the internal buffer, resulting in an out-of-bounds write. If correctly exploited, this issue may result in remote code execution through the same network segment grub is searching for the boot information, which can be used to by-pass secure boot protections.(CVE-2025-0624)\n\nA flaw was found in grub2. When performing a symlink lookup, the grub\u0026apos;s UFS module checks the inode\u0026apos;s data size to allocate the internal buffer to read the file content, however, it fails to check if the symlink data size has overflown. When this occurs, grub_malloc() may be called with a smaller value than needed. When further reading the data from the disk into the buffer, the grub_ufs_lookup_symlink() function will write past the end of the allocated size. An attack can leverage this by crafting a malicious filesystem, and as a result, it will corrupt data stored in the heap, allowing for arbitrary code execution used to by-pass secure boot mechanisms.(CVE-2025-0677)\n\nA flaw was found in grub2. When reading data from a squash4 filesystem, grub\u0026apos;s squash4 fs module uses user-controlled parameters from the filesystem geometry to determine the internal buffer size, however, it improperly checks for integer overflows. A maliciously crafted filesystem may lead some of those buffer size calculations to overflow, causing it to perform a grub_malloc() operation with a smaller size than expected. As a result, the direct_read() will perform a heap based out-of-bounds write during data reading. This flaw may be leveraged to corrupt grub\u0026apos;s internal critical data and may result in arbitrary code execution, by-passing secure boot protections.(CVE-2025-0678)\n\nA flaw was found in grub2. When performing a symlink lookup from a reiserfs filesystem, grub\u0026apos;s reiserfs fs module uses user-controlled parameters from the filesystem geometry to determine the internal buffer size, however, it improperly checks for integer overflows. A maliciouly crafted filesystem may lead some of those buffer size calculations to overflow, causing it to perform a grub_malloc() operation with a smaller size than expected. As a result, the grub_reiserfs_read_symlink() will call grub_reiserfs_read_real() with a overflown length parameter, leading to a heap based out-of-bounds write during data reading. This flaw may be leveraged to corrupt grub\u0026apos;s internal critical data and can result in arbitrary code execution, by-passing secure boot protections.(CVE-2025-0684)\n\nA flaw was found in grub2. When reading data from a jfs filesystem, grub\u0026apos;s jfs filesystem module uses user-controlled parameters from the filesystem geometry to determine the internal buffer size, however, it improperly checks for integer overflows. A maliciouly crafted filesystem may lead some of those buffer size calculations to overflow, causing it to perform a grub_malloc() operation with a smaller size than expected. As a result, the grub_jfs_lookup_symlink() function will write past the internal buffer length during grub_jfs_read_file(). This issue can be leveraged to corrupt grub\u0026apos;s internal critical data and may result in arbitrary code execution, by-passing secure boot protections.(CVE-2025-0685)\n\nA flaw was found in grub2. When performing a symlink lookup from a romfs filesystem, grub\u0026apos;s romfs filesystem module uses user-controlled parameters from the filesystem geometry to determine the internal buffer size, however, it improperly checks for integer overflows. A maliciously crafted filesystem may lead some of those buffer size calculations to overflow, causing it to perform a grub_malloc() operation with a smaller size than expected. As a result, the grub_romfs_read_symlink() may cause out-of-bounds writes when the calling grub_disk_read() function. This issue may be leveraged to corrupt grub\u0026apos;s internal critical data and can result in arbitrary code execution by-passing secure boot protections.(CVE-2025-0686)\n\nWhen reading data from disk, the grub\u0026apos;s UDF filesystem module utilizes the user controlled data length metadata to allocate its internal buffers. In certain scenarios, while iterating through disk sectors, it assumes the read size from the disk is always smaller than the allocated buffer size which is not guaranteed. A crafted filesystem image may lead to a heap-based buffer overflow resulting in critical data to be corrupted, resulting in the risk of arbitrary code execution by-passing secure boot protections.(CVE-2025-0689)\n\nThe read command is used to read the keyboard input from the user, while reads it keeps the input length in a 32-bit integer value which is further used to reallocate the line buffer to accept the next character. During this process, with a line big enough it\u0026apos;s possible to make this variable to overflow leading to a out-of-bounds write in the heap based buffer. This flaw may be leveraged to corrupt grub\u0026apos;s internal critical data and secure boot bypass is not discarded as consequence.(CVE-2025-0690)\n\nA flaw was found in grub2. Grub\u0026apos;s dump command is not blocked when grub is in lockdown mode, which allows the user to read any memory information, and an attacker may leverage this in order to extract signatures, salts, and other sensitive information from the memory.(CVE-2025-1118)\n\nWhen reading data from a hfs filesystem, grub\u0026apos;s hfs filesystem module uses user-controlled parameters from the filesystem metadata to calculate the internal buffers size, however it misses to properly check for integer overflows. A maliciouly crafted filesystem may lead some of those buffer size calculation to overflow, causing it to perform a grub_malloc() operation with a smaller size than expected. As a result the hfsplus_open_compressed_real() function will write past of the internal buffer length. This flaw may be leveraged to corrupt grub\u0026apos;s internal critical data and may result in arbitrary code execution by-passing secure boot protections.(CVE-2025-1125)","status":"published","published":"2025-02-28T11:08:18Z","modified":"2026-08-18T01:18:49.537730847Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:52:42.253598Z"},{"id":"OESA-2025-1218","title":"grub2 security update","description":"GNU GRUB is a Multiboot boot loader. It was derived from GRUB, the GRand Unified Bootloader, which was originally designed and implemented by Erich Stefan Boleyn.\r\n\r\nSecurity Fix(es):\n\nA flaw was found in grub2. A specially crafted JPEG file can cause the JPEG parser of grub2 to incorrectly check the bounds of its internal buffers, resulting in an out-of-bounds write. The possibility of overwriting sensitive information to bypass secure boot protections is not discarded.(CVE-2024-45774)\n\nA flaw was found in grub2 where the grub_extcmd_dispatcher() function calls grub_arg_list_alloc() to allocate memory for the grub\u0026apos;s argument list. However, it fails to check in case the memory allocation fails. Once the allocation fails, a NULL point will be processed by the parse_option() function, leading grub to crash or, in some rare scenarios, corrupt the IVT data.(CVE-2024-45775)\n\nWhen reading the language .mo file in grub_mofile_open(), grub2 fails to verify an integer overflow when allocating its internal buffer. A crafted .mo file may lead the buffer size calculation to overflow, leading to out-of-bound reads and writes. This flaw allows an attacker to leak sensitive data or overwrite critical data, possibly circumventing secure boot protections.(CVE-2024-45776)\n\nA flaw was found in grub2. The calculation of the translation buffer when reading a language .mo file in grub_gettext_getstr_from_position() may overflow, leading to a Out-of-bound write. This issue can be leveraged by an attacker to overwrite grub2\u0026apos;s sensitive heap data, eventually leading to the circumvention of secure boot protections.(CVE-2024-45777)\n\nA stack overflow flaw was found when reading a BFS file system. A crafted BFS filesystem may lead to an uncontrolled loop, causing grub2 to crash.(CVE-2024-45778)\n\nAn integer overflow flaw was found in the BFS file system driver in grub2. When reading a file with an indirect extent map, grub2 fails to validate the number of extent entries to be read. A crafted or corrupted BFS filesystem may cause an integer overflow during the file reading, leading to a heap of bounds read. As a consequence, sensitive data may be leaked, or grub2 will crash.(CVE-2024-45779)\n\nA flaw was found in grub2. When reading tar files, grub2 allocates an internal buffer for the file name. However, it fails to properly verify the allocation against possible integer overflows. It\u0026apos;s possible to cause the allocation length to overflow with a crafted tar file, leading to a heap out-of-bounds write. This flaw eventually allows an attacker to circumvent secure boot protections.(CVE-2024-45780)\n\nA flaw was found in grub2. When reading a symbolic link\u0026apos;s name from a UFS filesystem, grub2 fails to validate the string length taken as an input. The lack of validation may lead to a heap out-of-bounds write, causing data integrity issues and eventually allowing an attacker to circumvent secure boot protections.(CVE-2024-45781)\n\nA flaw was found in the HFS filesystem. When reading an HFS volume\u0026apos;s name at grub_fs_mount(), the HFS filesystem driver performs a strcpy() using the user-provided volume name as input without properly validating the volume name\u0026apos;s length. This issue may read to a heap-based out-of-bounds writer, impacting grub\u0026apos;s sensitive data integrity and eventually leading to a secure boot protection bypass.(CVE-2024-45782)\n\nA flaw was found in grub2. When failing to mount an HFS+ grub, the hfsplus filesystem driver doesn\u0026apos;t properly set an ERRNO value. This issue may lead to a NULL pointer access.(CVE-2024-45783)\n\nGNU GRUB (aka GRUB2) through 2.12 has a heap-based buffer overflow in fs/hfs.c via crafted sblock data in an HFS filesystem.(CVE-2024-56737)\n\nA flaw was found in command/gpg. In some scenarios, hooks created by loaded modules are not removed when the related module is unloaded. This flaw allows an attacker to force grub2 to call the hooks once the module that registered it was unloaded, leading to a use-after-free vulnerability. If correctly exploited, this vulnerability may result in arbitrary code execution, eventually allowing the attacker to bypass secure boot protections.(CVE-2025-0622)\n\nA flaw was found in grub2. During the network boot process, when trying to search for the configuration file, grub copies data from a user controlled environment variable into an internal buffer using the grub_strcpy() function. During this step, it fails to consider the environment variable length when allocating the internal buffer, resulting in an out-of-bounds write. If correctly exploited, this issue may result in remote code execution through the same network segment grub is searching for the boot information, which can be used to by-pass secure boot protections.(CVE-2025-0624)\n\nA flaw was found in grub2. When performing a symlink lookup, the grub\u0026apos;s UFS module checks the inode\u0026apos;s data size to allocate the internal buffer to read the file content, however, it fails to check if the symlink data size has overflown. When this occurs, grub_malloc() may be called with a smaller value than needed. When further reading the data from the disk into the buffer, the grub_ufs_lookup_symlink() function will write past the end of the allocated size. An attack can leverage this by crafting a malicious filesystem, and as a result, it will corrupt data stored in the heap, allowing for arbitrary code execution used to by-pass secure boot mechanisms.(CVE-2025-0677)\n\nA flaw was found in grub2. When reading data from a squash4 filesystem, grub\u0026apos;s squash4 fs module uses user-controlled parameters from the filesystem geometry to determine the internal buffer size, however, it improperly checks for integer overflows. A maliciously crafted filesystem may lead some of those buffer size calculations to overflow, causing it to perform a grub_malloc() operation with a smaller size than expected. As a result, the direct_read() will perform a heap based out-of-bounds write during data reading. This flaw may be leveraged to corrupt grub\u0026apos;s internal critical data and may result in arbitrary code execution, by-passing secure boot protections.(CVE-2025-0678)\n\nA flaw was found in grub2. When performing a symlink lookup from a reiserfs filesystem, grub\u0026apos;s reiserfs fs module uses user-controlled parameters from the filesystem geometry to determine the internal buffer size, however, it improperly checks for integer overflows. A maliciouly crafted filesystem may lead some of those buffer size calculations to overflow, causing it to perform a grub_malloc() operation with a smaller size than expected. As a result, the grub_reiserfs_read_symlink() will call grub_reiserfs_read_real() with a overflown length parameter, leading to a heap based out-of-bounds write during data reading. This flaw may be leveraged to corrupt grub\u0026apos;s internal critical data and can result in arbitrary code execution, by-passing secure boot protections.(CVE-2025-0684)\n\nA flaw was found in grub2. When reading data from a jfs filesystem, grub\u0026apos;s jfs filesystem module uses user-controlled parameters from the filesystem geometry to determine the internal buffer size, however, it improperly checks for integer overflows. A maliciouly crafted filesystem may lead some of those buffer size calculations to overflow, causing it to perform a grub_malloc() operation with a smaller size than expected. As a result, the grub_jfs_lookup_symlink() function will write past the internal buffer length during grub_jfs_read_file(). This issue can be leveraged to corrupt grub\u0026apos;s internal critical data and may result in arbitrary code execution, by-passing secure boot protections.(CVE-2025-0685)\n\nA flaw was found in grub2. When performing a symlink lookup from a romfs filesystem, grub\u0026apos;s romfs filesystem module uses user-controlled parameters from the filesystem geometry to determine the internal buffer size, however, it improperly checks for integer overflows. A maliciously crafted filesystem may lead some of those buffer size calculations to overflow, causing it to perform a grub_malloc() operation with a smaller size than expected. As a result, the grub_romfs_read_symlink() may cause out-of-bounds writes when the calling grub_disk_read() function. This issue may be leveraged to corrupt grub\u0026apos;s internal critical data and can result in arbitrary code execution by-passing secure boot protections.(CVE-2025-0686)\n\nWhen reading data from disk, the grub\u0026apos;s UDF filesystem module utilizes the user controlled data length metadata to allocate its internal buffers. In certain scenarios, while iterating through disk sectors, it assumes the read size from the disk is always smaller than the allocated buffer size which is not guaranteed. A crafted filesystem image may lead to a heap-based buffer overflow resulting in critical data to be corrupted, resulting in the risk of arbitrary code execution by-passing secure boot protections.(CVE-2025-0689)\n\nThe read command is used to read the keyboard input from the user, while reads it keeps the input length in a 32-bit integer value which is further used to reallocate the line buffer to accept the next character. During this process, with a line big enough it\u0026apos;s possible to make this variable to overflow leading to a out-of-bounds write in the heap based buffer. This flaw may be leveraged to corrupt grub\u0026apos;s internal critical data and secure boot bypass is not discarded as consequence.(CVE-2025-0690)\n\nA flaw was found in grub2. Grub\u0026apos;s dump command is not blocked when grub is in lockdown mode, which allows the user to read any memory information, and an attacker may leverage this in order to extract signatures, salts, and other sensitive information from the memory.(CVE-2025-1118)\n\nWhen reading data from a hfs filesystem, grub\u0026apos;s hfs filesystem module uses user-controlled parameters from the filesystem metadata to calculate the internal buffers size, however it misses to properly check for integer overflows. A maliciouly crafted filesystem may lead some of those buffer size calculation to overflow, causing it to perform a grub_malloc() operation with a smaller size than expected. As a result the hfsplus_open_compressed_real() function will write past of the internal buffer length. This flaw may be leveraged to corrupt grub\u0026apos;s internal critical data and may result in arbitrary code execution by-passing secure boot protections.(CVE-2025-1125)","status":"published","published":"2025-02-28T11:08:18Z","modified":"2026-08-18T01:18:49.777150265Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:52:42.253598Z"},{"id":"OESA-2025-1291","title":"grub2 security update","description":"GNU GRUB is a Multiboot boot loader. It was derived from GRUB, the GRand Unified Bootloader, which was originally designed and implemented by Erich Stefan Boleyn.\r\n\r\nSecurity Fix(es):\n\nA flaw was found in grub2 where the grub_extcmd_dispatcher() function calls grub_arg_list_alloc() to allocate memory for the grub\u0026apos;s argument list. However, it fails to check in case the memory allocation fails. Once the allocation fails, a NULL point will be processed by the parse_option() function, leading grub to crash or, in some rare scenarios, corrupt the IVT data.(CVE-2024-45775)\n\nWhen reading the language .mo file in grub_mofile_open(), grub2 fails to verify an integer overflow when allocating its internal buffer. A crafted .mo file may lead the buffer size calculation to overflow, leading to out-of-bound reads and writes. This flaw allows an attacker to leak sensitive data or overwrite critical data, possibly circumventing secure boot protections.(CVE-2024-45776)\n\nA flaw was found in grub2. The calculation of the translation buffer when reading a language .mo file in grub_gettext_getstr_from_position() may overflow, leading to a Out-of-bound write. This issue can be leveraged by an attacker to overwrite grub2\u0026apos;s sensitive heap data, eventually leading to the circumvention of secure boot protections.(CVE-2024-45777)\n\nAn integer overflow flaw was found in the BFS file system driver in grub2. When reading a file with an indirect extent map, grub2 fails to validate the number of extent entries to be read. A crafted or corrupted BFS filesystem may cause an integer overflow during the file reading, leading to a heap of bounds read. As a consequence, sensitive data may be leaked, or grub2 will crash.(CVE-2024-45779)\n\nA flaw was found in grub2. When reading tar files, grub2 allocates an internal buffer for the file name. However, it fails to properly verify the allocation against possible integer overflows. It\u0026apos;s possible to cause the allocation length to overflow with a crafted tar file, leading to a heap out-of-bounds write. This flaw eventually allows an attacker to circumvent secure boot protections.(CVE-2024-45780)\n\nA flaw was found in grub2. When reading a symbolic link\u0026apos;s name from a UFS filesystem, grub2 fails to validate the string length taken as an input. The lack of validation may lead to a heap out-of-bounds write, causing data integrity issues and eventually allowing an attacker to circumvent secure boot protections.(CVE-2024-45781)\n\nA flaw was found in the HFS filesystem. When reading an HFS volume\u0026apos;s name at grub_fs_mount(), the HFS filesystem driver performs a strcpy() using the user-provided volume name as input without properly validating the volume name\u0026apos;s length. This issue may read to a heap-based out-of-bounds writer, impacting grub\u0026apos;s sensitive data integrity and eventually leading to a secure boot protection bypass.(CVE-2024-45782)\n\nA flaw was found in grub2. When failing to mount an HFS+ grub, the hfsplus filesystem driver doesn\u0026apos;t properly set an ERRNO value. This issue may lead to a NULL pointer access.(CVE-2024-45783)\n\nA flaw was found in grub2. When reading data from a squash4 filesystem, grub\u0026apos;s squash4 fs module uses user-controlled parameters from the filesystem geometry to determine the internal buffer size, however, it improperly checks for integer overflows. A maliciously crafted filesystem may lead some of those buffer size calculations to overflow, causing it to perform a grub_malloc() operation with a smaller size than expected. As a result, the direct_read() will perform a heap based out-of-bounds write during data reading. This flaw may be leveraged to corrupt grub\u0026apos;s internal critical data and may result in arbitrary code execution, by-passing secure boot protections.(CVE-2025-0678)\n\nA flaw was found in grub2. When performing a symlink lookup from a reiserfs filesystem, grub\u0026apos;s reiserfs fs module uses user-controlled parameters from the filesystem geometry to determine the internal buffer size, however, it improperly checks for integer overflows. A maliciouly crafted filesystem may lead some of those buffer size calculations to overflow, causing it to perform a grub_malloc() operation with a smaller size than expected. As a result, the grub_reiserfs_read_symlink() will call grub_reiserfs_read_real() with a overflown length parameter, leading to a heap based out-of-bounds write during data reading. This flaw may be leveraged to corrupt grub\u0026apos;s internal critical data and can result in arbitrary code execution, by-passing secure boot protections.(CVE-2025-0684)\n\nA flaw was found in grub2. When reading data from a jfs filesystem, grub\u0026apos;s jfs filesystem module uses user-controlled parameters from the filesystem geometry to determine the internal buffer size, however, it improperly checks for integer overflows. A maliciouly crafted filesystem may lead some of those buffer size calculations to overflow, causing it to perform a grub_malloc() operation with a smaller size than expected. As a result, the grub_jfs_lookup_symlink() function will write past the internal buffer length during grub_jfs_read_file(). This issue can be leveraged to corrupt grub\u0026apos;s internal critical data and may result in arbitrary code execution, by-passing secure boot protections.(CVE-2025-0685)\n\nA flaw was found in grub2. When performing a symlink lookup from a romfs filesystem, grub\u0026apos;s romfs filesystem module uses user-controlled parameters from the filesystem geometry to determine the internal buffer size, however, it improperly checks for integer overflows. A maliciously crafted filesystem may lead some of those buffer size calculations to overflow, causing it to perform a grub_malloc() operation with a smaller size than expected. As a result, the grub_romfs_read_symlink() may cause out-of-bounds writes when the calling grub_disk_read() function. This issue may be leveraged to corrupt grub\u0026apos;s internal critical data and can result in arbitrary code execution by-passing secure boot protections.(CVE-2025-0686)\n\nWhen reading data from disk, the grub\u0026apos;s UDF filesystem module utilizes the user controlled data length metadata to allocate its internal buffers. In certain scenarios, while iterating through disk sectors, it assumes the read size from the disk is always smaller than the allocated buffer size which is not guaranteed. A crafted filesystem image may lead to a heap-based buffer overflow resulting in critical data to be corrupted, resulting in the risk of arbitrary code execution by-passing secure boot protections.(CVE-2025-0689)\n\nThe read command is used to read the keyboard input from the user, while reads it keeps the input length in a 32-bit integer value which is further used to reallocate the line buffer to accept the next character. During this process, with a line big enough it\u0026apos;s possible to make this variable to overflow leading to a out-of-bounds write in the heap based buffer. This flaw may be leveraged to corrupt grub\u0026apos;s internal critical data and secure boot bypass is not discarded as consequence.(CVE-2025-0690)\n\nA flaw was found in grub2. Grub\u0026apos;s dump command is not blocked when grub is in lockdown mode, which allows the user to read any memory information, and an attacker may leverage this in order to extract signatures, salts, and other sensitive information from the memory.(CVE-2025-1118)\n\nWhen reading data from a hfs filesystem, grub\u0026apos;s hfs filesystem module uses user-controlled parameters from the filesystem metadata to calculate the internal buffers size, however it misses to properly check for integer overflows. A maliciouly crafted filesystem may lead some of those buffer size calculation to overflow, causing it to perform a grub_malloc() operation with a smaller size than expected. As a result the hfsplus_open_compressed_real() function will write past of the internal buffer length. This flaw may be leveraged to corrupt grub\u0026apos;s internal critical data and may result in arbitrary code execution by-passing secure boot protections.(CVE-2025-1125)","status":"published","published":"2025-03-14T11:08:23Z","modified":"2026-08-18T01:17:49.620240263Z","cvss":[{"version":"3.1","score":6.7,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"medium"}],"updated_at":"2026-11-02T15:52:42.714349Z"},{"id":"OESA-2025-1292","title":"grub2 security update","description":"GNU GRUB is a Multiboot boot loader. It was derived from GRUB, the GRand Unified Bootloader, which was originally designed and implemented by Erich Stefan Boleyn.\r\n\r\nSecurity Fix(es):\n\nA flaw was found in grub2 where the grub_extcmd_dispatcher() function calls grub_arg_list_alloc() to allocate memory for the grub\u0026apos;s argument list. However, it fails to check in case the memory allocation fails. Once the allocation fails, a NULL point will be processed by the parse_option() function, leading grub to crash or, in some rare scenarios, corrupt the IVT data.(CVE-2024-45775)\n\nWhen reading the language .mo file in grub_mofile_open(), grub2 fails to verify an integer overflow when allocating its internal buffer. A crafted .mo file may lead the buffer size calculation to overflow, leading to out-of-bound reads and writes. This flaw allows an attacker to leak sensitive data or overwrite critical data, possibly circumventing secure boot protections.(CVE-2024-45776)\n\nA flaw was found in grub2. The calculation of the translation buffer when reading a language .mo file in grub_gettext_getstr_from_position() may overflow, leading to a Out-of-bound write. This issue can be leveraged by an attacker to overwrite grub2\u0026apos;s sensitive heap data, eventually leading to the circumvention of secure boot protections.(CVE-2024-45777)\n\nA flaw was found in grub2. When reading a symbolic link\u0026apos;s name from a UFS filesystem, grub2 fails to validate the string length taken as an input. The lack of validation may lead to a heap out-of-bounds write, causing data integrity issues and eventually allowing an attacker to circumvent secure boot protections.(CVE-2024-45781)\n\nA flaw was found in the HFS filesystem. When reading an HFS volume\u0026apos;s name at grub_fs_mount(), the HFS filesystem driver performs a strcpy() using the user-provided volume name as input without properly validating the volume name\u0026apos;s length. This issue may read to a heap-based out-of-bounds writer, impacting grub\u0026apos;s sensitive data integrity and eventually leading to a secure boot protection bypass.(CVE-2024-45782)\n\nA flaw was found in grub2. When failing to mount an HFS+ grub, the hfsplus filesystem driver doesn\u0026apos;t properly set an ERRNO value. This issue may lead to a NULL pointer access.(CVE-2024-45783)\n\nA flaw was found in grub2. When reading data from a squash4 filesystem, grub\u0026apos;s squash4 fs module uses user-controlled parameters from the filesystem geometry to determine the internal buffer size, however, it improperly checks for integer overflows. A maliciously crafted filesystem may lead some of those buffer size calculations to overflow, causing it to perform a grub_malloc() operation with a smaller size than expected. As a result, the direct_read() will perform a heap based out-of-bounds write during data reading. This flaw may be leveraged to corrupt grub\u0026apos;s internal critical data and may result in arbitrary code execution, by-passing secure boot protections.(CVE-2025-0678)\n\nA flaw was found in grub2. When performing a symlink lookup from a reiserfs filesystem, grub\u0026apos;s reiserfs fs module uses user-controlled parameters from the filesystem geometry to determine the internal buffer size, however, it improperly checks for integer overflows. A maliciouly crafted filesystem may lead some of those buffer size calculations to overflow, causing it to perform a grub_malloc() operation with a smaller size than expected. As a result, the grub_reiserfs_read_symlink() will call grub_reiserfs_read_real() with a overflown length parameter, leading to a heap based out-of-bounds write during data reading. This flaw may be leveraged to corrupt grub\u0026apos;s internal critical data and can result in arbitrary code execution, by-passing secure boot protections.(CVE-2025-0684)\n\nA flaw was found in grub2. When reading data from a jfs filesystem, grub\u0026apos;s jfs filesystem module uses user-controlled parameters from the filesystem geometry to determine the internal buffer size, however, it improperly checks for integer overflows. A maliciouly crafted filesystem may lead some of those buffer size calculations to overflow, causing it to perform a grub_malloc() operation with a smaller size than expected. As a result, the grub_jfs_lookup_symlink() function will write past the internal buffer length during grub_jfs_read_file(). This issue can be leveraged to corrupt grub\u0026apos;s internal critical data and may result in arbitrary code execution, by-passing secure boot protections.(CVE-2025-0685)\n\nA flaw was found in grub2. When performing a symlink lookup from a romfs filesystem, grub\u0026apos;s romfs filesystem module uses user-controlled parameters from the filesystem geometry to determine the internal buffer size, however, it improperly checks for integer overflows. A maliciously crafted filesystem may lead some of those buffer size calculations to overflow, causing it to perform a grub_malloc() operation with a smaller size than expected. As a result, the grub_romfs_read_symlink() may cause out-of-bounds writes when the calling grub_disk_read() function. This issue may be leveraged to corrupt grub\u0026apos;s internal critical data and can result in arbitrary code execution by-passing secure boot protections.(CVE-2025-0686)\n\nWhen reading data from disk, the grub\u0026apos;s UDF filesystem module utilizes the user controlled data length metadata to allocate its internal buffers. In certain scenarios, while iterating through disk sectors, it assumes the read size from the disk is always smaller than the allocated buffer size which is not guaranteed. A crafted filesystem image may lead to a heap-based buffer overflow resulting in critical data to be corrupted, resulting in the risk of arbitrary code execution by-passing secure boot protections.(CVE-2025-0689)\n\nThe read command is used to read the keyboard input from the user, while reads it keeps the input length in a 32-bit integer value which is further used to reallocate the line buffer to accept the next character. During this process, with a line big enough it\u0026apos;s possible to make this variable to overflow leading to a out-of-bounds write in the heap based buffer. This flaw may be leveraged to corrupt grub\u0026apos;s internal critical data and secure boot bypass is not discarded as consequence.(CVE-2025-0690)\n\nA flaw was found in grub2. Grub\u0026apos;s dump command is not blocked when grub is in lockdown mode, which allows the user to read any memory information, and an attacker may leverage this in order to extract signatures, salts, and other sensitive information from the memory.(CVE-2025-1118)","status":"published","published":"2025-03-14T11:08:23Z","modified":"2026-08-18T01:17:49.920653475Z","cvss":[{"version":"3.1","score":6.7,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"medium"}],"updated_at":"2026-11-02T15:52:42.714349Z"},{"id":"UBUNTU-CVE-2025-0678","description":"A flaw was found in grub2. When reading data from a squash4 filesystem, grub's squash4 fs module uses user-controlled parameters from the filesystem geometry to determine the internal buffer size, however, it improperly checks for integer overflows. A maliciously crafted filesystem may lead some of those buffer size calculations to overflow, causing it to perform a grub_malloc() operation with a smaller size than expected. As a result, the direct_read() will perform a heap based out-of-bounds write during data reading. This flaw may be leveraged to corrupt grub's internal critical data and may result in arbitrary code execution, by-passing secure boot protections.","status":"published","published":"2025-02-18T18:00:00Z","modified":"2026-10-17T12:56:47.327180927Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"},{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T16:55:18.664792Z"},{"id":"CLSA-2025-1742805183","title":"grub2: Fix of 5 CVEs","description":"- CVE-2025-0624: net: Out-of-bounds write in grub_net_search_config_file()\n- CVE-2025-0690: read: Integer overflow may lead to out-of-bounds write\n- CVE-2025-1118: commands/dump: The dump command is not in lockdown when\n  secure boot is enabled\n- CVE-2025-0678: squash4: Integer overflow may lead to heap based\n  out-of-bounds write when reading data\n- CVE-2025-1125: fs/hfs: Integer overflow may lead to heap based\n  out-of-bounds write","status":"published","published":"2025-03-24T08:33:09Z","modified":"2026-10-21T10:45:07.937383597Z","updated_at":"2026-11-02T15:43:41.66212Z"},{"id":"CLSA-2025-1744213211","title":"grub2: Fix of 5 CVEs","description":"- CVE-2025-0624: net: Out-of-bounds write in grub_net_search_configfile()\n- CVE-2025-0690: read: Integer overflow may lead to out-of-bounds write\n- CVE-2025-1118: commands/dump: The dump command is not in lockdown when\n  secure boot is enabled\n- CVE-2025-0678: squash4: Integer overflow may lead to heap based\n  out-of-bounds write when reading data\n- CVE-2025-1125: fs/hfs: Integer overflow may lead to heap based\n  out-of-bounds write","status":"published","published":"2025-04-09T15:40:16Z","modified":"2026-10-21T10:45:52.310066529Z","updated_at":"2026-11-02T15:43:41.66212Z"},{"id":"CLSA-2025-1744222859","title":"grub2: Fix of 5 CVEs","description":"- CVE-2025-0624: net: Out-of-bounds write in grub_net_search_configfile()\n- CVE-2025-0690: read: Integer overflow may lead to out-of-bounds write\n- CVE-2025-1118: commands/dump: The dump command is not in lockdown when\n  secure boot is enabled\n- CVE-2025-0678: squash4: Integer overflow may lead to heap based\n  out-of-bounds write when reading data\n- CVE-2025-1125: fs/hfs: Integer overflow may lead to heap based\n  out-of-bounds write","status":"published","published":"2025-04-09T18:21:04Z","modified":"2026-10-21T10:46:37.058927109Z","updated_at":"2026-11-02T15:43:41.66212Z"},{"id":"CLSA-2025-1744628858","title":"grub2: Fix of 5 CVEs","description":"- CVE-2025-0624: net: Out-of-bounds write in grub_net_search_configfile()\n- CVE-2025-0690: read: Integer overflow may lead to out-of-bounds write\n- CVE-2025-1118: commands/dump: The dump command is not in lockdown when\n  secure boot is enabled\n- CVE-2025-0678: squash4: Integer overflow may lead to heap based\n  out-of-bounds write when reading data\n- CVE-2025-1125: fs/hfs: Integer overflow may lead to heap based\n  out-of-bounds write","status":"published","published":"2025-04-14T11:07:43Z","modified":"2026-10-21T10:48:08.490715599Z","updated_at":"2026-11-02T15:43:41.66212Z"},{"id":"CLSA-2025-1744717794","title":"grub2: Fix of 5 CVEs","description":"- CVE-2025-0624: net: Out-of-bounds write in grub_net_search_configfile()\n- CVE-2025-0690: read: Integer overflow may lead to out-of-bounds write\n- CVE-2025-1118: commands/dump: The dump command is not in lockdown when\n  secure boot is enabled\n- CVE-2025-0678: squash4: Integer overflow may lead to heap based\n  out-of-bounds write when reading data\n- CVE-2025-1125: fs/hfs: Integer overflow may lead to heap based\n  out-of-bounds write","status":"published","published":"2025-04-15T11:50:00Z","modified":"2026-10-21T10:48:18.165009923Z","updated_at":"2026-11-02T15:43:41.66212Z"},{"id":"CLSA-2025-1744724536","title":"grub2: Fix of 5 CVEs","description":"- CVE-2025-0624: net: Out-of-bounds write in grub_net_search_configfile()\n- CVE-2025-0690: read: Integer overflow may lead to out-of-bounds write\n- CVE-2025-1118: commands/dump: The dump command is not in lockdown when\n  secure boot is enabled\n- CVE-2025-0678: squash4: Integer overflow may lead to heap based\n  out-of-bounds write when reading data\n- CVE-2025-1125: fs/hfs: Integer overflow may lead to heap based\n  out-of-bounds write","status":"published","published":"2025-04-15T13:42:21Z","modified":"2026-10-21T10:45:13.43314431Z","updated_at":"2026-11-02T15:43:41.66212Z"},{"id":"CLSA-2025-1751285777","title":"grub2: Fix of 5 CVEs","description":"- CVE-2024-45781: fs/ufs: OOB write in the heap\n- CVE-2024-45782: fs/hfs: strcpy() using the volume name\n- CVE-2024-56737: fs/hfs: Fix stack OOB write with grub_strcpy()\n- CVE-2025-0678: squash4: Integer overflow may lead to heap based\n  out-of-bounds write when reading data\n- CVE-2025-1125: fs/hfs: Integer overflow may lead to heap based\n  out-of-bounds write\n- Debrand to Cloudlinux","status":"published","published":"2025-06-30T12:16:22Z","modified":"2026-06-01T00:33:27.516692579Z","updated_at":"2026-11-02T15:43:41.66212Z"},{"id":"openSUSE-SU-2025:14822-1","title":"grub2-2.12-35.1 on GA media","description":"These are all security issues fixed in the grub2-2.12-35.1 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2025-02-19T00:00:00Z","modified":"2025-05-07T18:16:17.664438Z","updated_at":"2026-11-02T16:58:37.399567Z"},{"id":"SUSE-SU-2025:01961-1","title":"Security update for grub2","description":"This update for grub2 fixes the following issues:\n\n- CVE-2023-4692: nfs: out-of-bounds write at fs/ntfs.c may lead to unsigned code execution (bsc#1215935).\n- CVE-2023-4693: nfs: out-of-bounds read at fs/ntfs.c (bsc#1215936).\n- CVE-2024-45774: heap overflows in JPEG parser (bsc#1233609).\n- CVE-2024-45775: missing NULL check in extcmd parser (bsc#1233610).\n- CVE-2024-45776: overflow in .MO file (gettext) handling (bsc#1233612).\n- CVE-2024-45777: integer overflow in gettext (bsc#1233613).\n- CVE-2024-45778: bfs filesystem not fuzzing stable (bsc#1233606).\n- CVE-2024-45779: bfs: heap overflow (bsc#1233608).\n- CVE-2024-45780: overflow in tar/cpio (bsc#1233614).\n- CVE-2024-45781: ufs: strcpy overflow (bsc#1233617).\n- CVE-2024-45782: hfs: strcpy overflow (bsc#1233615).\n- CVE-2024-45783: hfsplus: refcount overflow (bsc#1233616).\n- CVE-2024-56737: heap-based buffer overflow in fs/hfs.c via crafted sblock data in an HFS filesystem (bsc#1234958).\n- CVE-2025-0622: command/gpg: Use-after-free due to hooks not being removed on module unload (bsc#1236317).\n- CVE-2025-0624: net: Out-of-bounds write in grub_net_search_config_file() (bsc#1236316).\n- CVE-2025-0677: ufs: Integer overflow may lead to heap based out-of-bounds write when handling symlinks (bsc#1237002).\n- CVE-2025-0678: squash4: Integer overflow may lead to heap based out-of-bounds write when reading data (bsc#1237006).\n- CVE-2025-0684: reiserfs: Integer overflow when handling symlinks may lead to heap based out-of-bounds write when reading data (bsc#1237008).\n- CVE-2025-0685: jfs: Integer overflow when handling symlinks may lead to heap based out-of-bounds write when reading data (bsc#1237009).\n- CVE-2025-0686: romfs: Integer overflow when handling symlinks may lead to heap based out-of-bounds write when reading data (bsc#1237010).\n- CVE-2025-0689: udf: Heap based buffer overflow  in grub_udf_read_block() may lead to arbitrary code execution (bsc#1237011).\n- CVE-2025-0690: read: Integer overflow may lead to out-of-bounds write (bsc#1237012).\n- CVE-2025-1118: commands/dump: The dump command is not in lockdown when secure boot is enabled (bsc#1237013).\n- CVE-2025-1125: fs/hfs: Interger overflow may lead to heap based out-of-bounds write (bsc#1237014).\n\nOther bugfixes:\n\n- Bump upstream SBAT generation to 5\n","status":"published","published":"2025-06-16T10:03:22Z","modified":"2026-03-23T04:46:24.71525Z","updated_at":"2026-11-02T15:53:56.647031Z"},{"id":"SUSE-SU-2025:0586-1","title":"Security update for grub2","description":"This update for grub2 fixes the following issues:\n\n- CVE-2024-45781: Fixed strcpy overflow in ufs. (bsc#1233617)\n- CVE-2024-56737: Fixed a heap-based buffer overflow in hfs. (bsc#1234958)\n- CVE-2024-45782: Fixed strcpy overflow in hfs. (bsc#1233615)\n- CVE-2024-45780: Fixed an overflow in tar/cpio. (bsc#1233614)\n- CVE-2024-45783: Fixed a refcount overflow in hfsplus. (bsc#1233616)\n- CVE-2024-45774: Fixed a heap overflow in JPEG parser. (bsc#1233609)\n- CVE-2024-45775: Fixed a missing NULL check in extcmd parser. (bsc#1233610)\n- CVE-2024-45776: Fixed an overflow in .MO file handling. (bsc#1233612)\n- CVE-2024-45777: Fixed an integer overflow in gettext. (bsc#1233613)\n- CVE-2024-45778: Fixed bfs filesystem by removing it from lockdown capable modules. (bsc#1233606)\n- CVE-2024-45779: Fixed a heap overflow in bfs. (bsc#1233608)\n- CVE-2024-49504: Fixed an issue that can bypass TPM-bound disk encryption on SL(E)M encrypted Images. (bsc#1229164)\n- CVE-2025-0624: Fixed an out-of-bounds write during the network boot process. (bsc#1236316)\n- CVE-2025-0622: Fixed a use-after-free when handling hooks during module unload in command/gpg . (bsc#1236317)\n- CVE-2025-0690: Fixed an integer overflow that may lead to an out-of-bounds write through the read command.\n  (bsc#1237012)\n- CVE-2025-1118: Fixed an issue where the dump command was not being blocked when grub was in lockdown mode.\n  (bsc#1237013)\n- CVE-2025-0677: Fixed an integer overflow that may lead to an out-of-bounds write when handling symlinks in ufs.\n  (bsc#1237002)\n- CVE-2025-0684: Fixed an integer overflow that may lead to an out-of-bounds write when handling symlinks in reiserfs.\n  (bsc#1237008)\n- CVE-2025-0685: Fixed an integer overflow that may lead to an out-of-bounds write when handling symlinks in jfs.\n  (bsc#1237009)\n- CVE-2025-0686: Fixed an integer overflow that may lead to an out-of-bounds write when handling symlinks in romfs.\n  (bsc#1237010)\n- CVE-2025-0689: Fixed a heap-based buffer overflow in udf that may lead to arbitrary code execution. (bsc#1237011)\n- CVE-2025-1125: Fixed an integer overflow that may lead to an out-of-bounds write in hfs. (bsc#1237014)\n- CVE-2025-0678: Fixed an integer overflow that may lead to an out-of-bounds write in squash4. (bsc#1237006)\n","status":"published","published":"2025-02-19T07:28:49Z","modified":"2026-02-04T03:10:23.482868Z","updated_at":"2026-11-02T15:53:58.883365Z"},{"id":"SUSE-SU-2025:0587-1","title":"Security update for grub2","description":"This update for grub2 fixes the following issues:\n\n- CVE-2024-45781: Fixed strcpy overflow in ufs. (bsc#1233617)\n- CVE-2024-56737: Fixed a heap-based buffer overflow in hfs. (bsc#1234958)\n- CVE-2024-45782: Fixed strcpy overflow in hfs. (bsc#1233615)\n- CVE-2024-45780: Fixed an overflow in tar/cpio. (bsc#1233614)\n- CVE-2024-45783: Fixed a refcount overflow in hfsplus. (bsc#1233616)\n- CVE-2024-45774: Fixed a heap overflow in JPEG parser. (bsc#1233609)\n- CVE-2024-45775: Fixed a missing NULL check in extcmd parser. (bsc#1233610)\n- CVE-2024-45776: Fixed an overflow in .MO file handling. (bsc#1233612)\n- CVE-2024-45777: Fixed an integer overflow in gettext. (bsc#1233613)\n- CVE-2024-45778: Fixed bfs filesystem by removing it from lockdown capable modules. (bsc#1233606)\n- CVE-2024-45779: Fixed a heap overflow in bfs. (bsc#1233608)\n- CVE-2025-0624: Fixed an out-of-bounds write during the network boot process. (bsc#1236316)\n- CVE-2025-0622: Fixed a use-after-free when handling hooks during module unload in command/gpg . (bsc#1236317)\n- CVE-2025-0690: Fixed an integer overflow that may lead to an out-of-bounds write through the read command.\n  (bsc#1237012)\n- CVE-2025-1118: Fixed an issue where the dump command was not being blocked when grub was in lockdown mode.\n  (bsc#1237013)\n- CVE-2025-0677: Fixed an integer overflow that may lead to an out-of-bounds write when handling symlinks in ufs.\n  (bsc#1237002)\n- CVE-2025-0684: Fixed an integer overflow that may lead to an out-of-bounds write when handling symlinks in reiserfs.\n  (bsc#1237008)\n- CVE-2025-0685: Fixed an integer overflow that may lead to an out-of-bounds write when handling symlinks in jfs.\n  (bsc#1237009)\n- CVE-2025-0686: Fixed an integer overflow that may lead to an out-of-bounds write when handling symlinks in romfs.\n  (bsc#1237010)\n- CVE-2025-0689: Fixed a heap-based buffer overflow in udf that may lead to arbitrary code execution. (bsc#1237011)\n- CVE-2025-1125: Fixed an integer overflow that may lead to an out-of-bounds write in hfs. (bsc#1237014)\n- CVE-2025-0678: Fixed an integer overflow that may lead to an out-of-bounds write in squash4. (bsc#1237006)\n","status":"published","published":"2025-02-19T07:29:35Z","modified":"2026-02-04T02:13:04.066249Z","updated_at":"2026-11-02T15:53:58.883365Z"},{"id":"SUSE-SU-2025:0588-1","title":"Security update for grub2","description":"This update for grub2 fixes the following issues:\n\n- CVE-2024-45781: Fixed strcpy overflow in ufs. (bsc#1233617)\n- CVE-2024-56737: Fixed a heap-based buffer overflow in hfs. (bsc#1234958)\n- CVE-2024-45782: Fixed strcpy overflow in hfs. (bsc#1233615)\n- CVE-2024-45780: Fixed an overflow in tar/cpio. (bsc#1233614)\n- CVE-2024-45783: Fixed a refcount overflow in hfsplus. (bsc#1233616)\n- CVE-2024-45774: Fixed a heap overflow in JPEG parser. (bsc#1233609)\n- CVE-2024-45775: Fixed a missing NULL check in extcmd parser. (bsc#1233610)\n- CVE-2024-45776: Fixed an overflow in .MO file handling. (bsc#1233612)\n- CVE-2024-45777: Fixed an integer overflow in gettext. (bsc#1233613)\n- CVE-2024-45778: Fixed bfs filesystem by removing it from lockdown capable modules. (bsc#1233606)\n- CVE-2024-45779: Fixed a heap overflow in bfs. (bsc#1233608)\n- CVE-2025-0624: Fixed an out-of-bounds write during the network boot process. (bsc#1236316)\n- CVE-2025-0622: Fixed a use-after-free when handling hooks during module unload in command/gpg . (bsc#1236317)\n- CVE-2025-0690: Fixed an integer overflow that may lead to an out-of-bounds write through the read command.\n  (bsc#1237012)\n- CVE-2025-1118: Fixed an issue where the dump command was not being blocked when grub was in lockdown mode.\n  (bsc#1237013)\n- CVE-2025-0677: Fixed an integer overflow that may lead to an out-of-bounds write when handling symlinks in ufs.\n  (bsc#1237002)\n- CVE-2025-0684: Fixed an integer overflow that may lead to an out-of-bounds write when handling symlinks in reiserfs.\n  (bsc#1237008)\n- CVE-2025-0685: Fixed an integer overflow that may lead to an out-of-bounds write when handling symlinks in jfs.\n  (bsc#1237009)\n- CVE-2025-0686: Fixed an integer overflow that may lead to an out-of-bounds write when handling symlinks in romfs.\n  (bsc#1237010)\n- CVE-2025-0689: Fixed a heap-based buffer overflow in udf that may lead to arbitrary code execution. (bsc#1237011)\n- CVE-2025-1125: Fixed an integer overflow that may lead to an out-of-bounds write in hfs. (bsc#1237014)\n- CVE-2025-0678: Fixed an integer overflow that may lead to an out-of-bounds write in squash4. (bsc#1237006)\n","status":"published","published":"2025-02-19T07:30:53Z","modified":"2025-05-02T04:37:06.378595Z","updated_at":"2026-11-02T15:53:58.883365Z"},{"id":"SUSE-SU-2025:0607-1","title":"Security update for grub2","description":"This update for grub2 fixes the following issues:\n\n- CVE-2024-45781: Fixed strcpy overflow in ufs. (bsc#1233617)\n- CVE-2024-56737: Fixed a heap-based buffer overflow in hfs. (bsc#1234958)\n- CVE-2024-45782: Fixed strcpy overflow in hfs. (bsc#1233615)\n- CVE-2024-45780: Fixed an overflow in tar/cpio. (bsc#1233614)\n- CVE-2024-45783: Fixed a refcount overflow in hfsplus. (bsc#1233616)\n- CVE-2024-45774: Fixed a heap overflow in JPEG parser. (bsc#1233609)\n- CVE-2024-45775: Fixed a missing NULL check in extcmd parser. (bsc#1233610)\n- CVE-2024-45776: Fixed an overflow in .MO file handling. (bsc#1233612)\n- CVE-2024-45777: Fixed an integer overflow in gettext. (bsc#1233613)\n- CVE-2024-45778: Fixed bfs filesystem by removing it from lockdown capable modules. (bsc#1233606)\n- CVE-2024-45779: Fixed a heap overflow in bfs. (bsc#1233608)\n- CVE-2025-0624: Fixed an out-of-bounds write during the network boot process. (bsc#1236316)\n- CVE-2025-0622: Fixed a use-after-free when handling hooks during module unload in command/gpg . (bsc#1236317)\n- CVE-2025-0690: Fixed an integer overflow that may lead to an out-of-bounds write through the read command.\n  (bsc#1237012)\n- CVE-2025-1118: Fixed an issue where the dump command was not being blocked when grub was in lockdown mode.\n  (bsc#1237013)\n- CVE-2025-0677: Fixed an integer overflow that may lead to an out-of-bounds write when handling symlinks in ufs.\n  (bsc#1237002)\n- CVE-2025-0684: Fixed an integer overflow that may lead to an out-of-bounds write when handling symlinks in reiserfs.\n  (bsc#1237008)\n- CVE-2025-0685: Fixed an integer overflow that may lead to an out-of-bounds write when handling symlinks in jfs.\n  (bsc#1237009)\n- CVE-2025-0686: Fixed an integer overflow that may lead to an out-of-bounds write when handling symlinks in romfs.\n  (bsc#1237010)\n- CVE-2025-0689: Fixed a heap-based buffer overflow in udf that may lead to arbitrary code execution. (bsc#1237011)\n- CVE-2025-1125: Fixed an integer overflow that may lead to an out-of-bounds write in hfs. (bsc#1237014)\n- CVE-2025-0678: Fixed an integer overflow that may lead to an out-of-bounds write in squash4. (bsc#1237006)\n","status":"published","published":"2025-02-20T21:42:16Z","modified":"2026-02-04T02:31:41.286502Z","updated_at":"2026-11-02T15:53:58.883365Z"},{"id":"SUSE-SU-2025:0629-1","title":"Security update for grub2","description":"This update for grub2 fixes the following issues:\n\n- CVE-2024-45781: Fixed strcpy overflow in ufs. (bsc#1233617)\n- CVE-2024-56737: Fixed a heap-based buffer overflow in hfs. (bsc#1234958)\n- CVE-2024-45782: Fixed strcpy overflow in hfs. (bsc#1233615)\n- CVE-2024-45780: Fixed an overflow in tar/cpio. (bsc#1233614)\n- CVE-2024-45783: Fixed a refcount overflow in hfsplus. (bsc#1233616)\n- CVE-2024-45774: Fixed a heap overflow in JPEG parser. (bsc#1233609)\n- CVE-2024-45775: Fixed a missing NULL check in extcmd parser. (bsc#1233610)\n- CVE-2024-45776: Fixed an overflow in .MO file handling. (bsc#1233612)\n- CVE-2024-45777: Fixed an integer overflow in gettext. (bsc#1233613)\n- CVE-2024-45778: Fixed bfs filesystem by removing it from lockdown capable modules. (bsc#1233606)\n- CVE-2024-45779: Fixed a heap overflow in bfs. (bsc#1233608)\n- CVE-2025-0624: Fixed an out-of-bounds write during the network boot process. (bsc#1236316)\n- CVE-2025-0622: Fixed a use-after-free when handling hooks during module unload in command/gpg . (bsc#1236317)\n- CVE-2025-0690: Fixed an integer overflow that may lead to an out-of-bounds write through the read command.\n  (bsc#1237012)\n- CVE-2025-1118: Fixed an issue where the dump command was not being blocked when grub was in lockdown mode.\n  (bsc#1237013)\n- CVE-2025-0677: Fixed an integer overflow that may lead to an out-of-bounds write when handling symlinks in ufs.\n  (bsc#1237002)\n- CVE-2025-0684: Fixed an integer overflow that may lead to an out-of-bounds write when handling symlinks in reiserfs.\n  (bsc#1237008)\n- CVE-2025-0685: Fixed an integer overflow that may lead to an out-of-bounds write when handling symlinks in jfs.\n  (bsc#1237009)\n- CVE-2025-0686: Fixed an integer overflow that may lead to an out-of-bounds write when handling symlinks in romfs.\n  (bsc#1237010)\n- CVE-2025-0689: Fixed a heap-based buffer overflow in udf that may lead to arbitrary code execution. (bsc#1237011)\n- CVE-2025-1125: Fixed an integer overflow that may lead to an out-of-bounds write in hfs. (bsc#1237014)\n- CVE-2025-0678: Fixed an integer overflow that may lead to an out-of-bounds write in squash4. (bsc#1237006)\n","status":"published","published":"2025-02-21T12:55:12Z","modified":"2026-02-04T02:48:16.864493Z","updated_at":"2026-11-02T15:53:58.883365Z"},{"id":"SUSE-SU-2025:20511-1","title":"Security update for grub2","description":"This update for grub2 fixes the following issues:\n\n- CVE-2025-4382: Fixed TPM auto-decryption data exposure (bsc#1242971)\n\n- Filter out the non-subvolume btrfs mount points when creating the\n  relative path (bsc#1239674)\n\n- CVE-2024-45781: Fixed ufs strcpy overflow (bsc#1233617)\n- CVE-2024-56737: Fixed heap-based buffer overflow in fs/hfs.c via\n  crafted sblock data in an HFS filesystem (bsc#1234958)\n- CVE-2024-45782: Fixed hfs strcpy overflow (bsc#1233615)\n- CVE-2024-45780: Fixed overflow in tar/cpio(bsc#1233614)\n- CVE-2024-45783: Fixed hfsplus refcount overflow (bsc#1233616)\n- CVE-2025-0624: Fixed out-of-bounds write in grub_net_search_config_file() (bsc#1236316)\n- CVE-2024-45774: Fixed heap overflows in JPEG parser (bsc#1233609)\n- CVE-2024-45775: Fixed missing NULL check in extcmd parser (bsc#1233610)\n- CVE-2025-0622: Fixed command/gpg: Use-after-free due to hooks not being removed on module unload (bsc#1236317)\n- CVE-2024-45776: Fixed overflow in .MO file (gettext) handling (bsc#1233612)\n- CVE-2024-45777: Fixed integer overflow in gettext (bsc#1233613)\n- CVE-2025-0690: Fixed integer overflow in read that may lead to out-of-bounds write (bsc#1237012)\n- CVE-2025-1118: Fixed commands/dump: The dump command is not in lockdown when secure boot is enabled(bsc#1237013)\n- CVE-2024-45778: Fixed bfs filesystem not fuzzing stable (bsc#1233606)\n- CVE-2024-45779: Fixed bfs heap overflow (bsc#1233608)\n- CVE-2025-0677: Fixed integer overflow that may lead to heap based\n  out-of-bounds write when handling symlinks in ufs (bsc#1237002)\n- CVE-2025-0684: Fixed reiserfs: Integer overflow when handling symlinks\n  may lead to heap based out-of-bounds write when reading data (bsc#1237008)\n- CVE-2025-0685: Fixed jfs: Integer overflow when handling symlinks may\n  lead to heap based out-of-bounds write when reading data (bsc#1237009)\n- CVE-2025-0686: Fixed romfs: Integer overflow when handling symlinks\n  may lead to heap based out-of-bounds write when reading data (bsc#1237010)\n- CVE-2025-0689: Fixed udf: Heap based buffer overflow  in\n  grub_udf_read_block() may lead to arbitrary code execution (bsc#1237011)\n- CVE-2025-1125: Fixed fs/hfs: Interger overflow may lead to heap based out-of-bounds write (bsc#1237014)\n- CVE-2025-0678: Fixed squash4: Integer overflow may lead to heap based out-of-bounds write when reading data (bsc#1237006)\n\n- Bump upstream SBAT generation to 5 to block older grub2 versions.\n\n- CVE-2024-49504: Fixed Bypassing TPM-bound disk encryption on SL(E)M encrypted Images (bsc#1229163) (bsc#1229164)\n\n- Restrict CLI access if the encrypted root device is automatically unlocked by\n  the TPM. LUKS password authentication is required for access to be granted\n- Obsolete, as CLI access is now locked and granted access no longer requires\n  the previous restrictions\n\n","status":"published","published":"2025-07-29T08:20:21Z","modified":"2026-03-23T04:50:09.963359Z","updated_at":"2026-11-02T15:53:59.92114Z"},{"id":"SUSE-SU-2025:20863-1","title":"Security update for grub2","description":"This update for grub2 fixes the following issues:\n\n- Fix error: /boot/grub2/x86_64-efi/bli.mod not found (bsc#1231591)\n\n- Fix OOM error in loading loopback file (bsc#1230840) (bsc#1249140)\n\n- Update the patch to fix \"SRK not matched\" errors when unsealing\n  the key (bsc#1232411) (bsc#1247242)\n\nSecurity fixes for 2024:\n\n- Bump upstream SBAT generation to 5\n\n- CVE-2024-45774: Fixed heap overflows in JPEG parser (bsc#1233609)\n- CVE-2024-45775: Fixed missing NULL check in extcmd parser (bsc#1233610)\n- CVE-2024-45776: Fixed overflow in .MO file (gettext) handling (bsc#1233612)\n- CVE-2024-45777: Fixed integer overflow in gettext (bsc#1233613)\n- CVE-2024-45778: Fixed bfs filesystem not fuzzing stable (bsc#1233606)\n- CVE-2024-45779: Fixed bfs heap overflow (bsc#1233608)\n- CVE-2024-45780: Fixed overflow in tar/cpio (bsc#1233614)\n- CVE-2024-45781: Fixed ufs strcpy overflow(bsc#1233617)\n- CVE-2024-45782: Fixed hfs strcpy overflow (bsc#1233615)\n- CVE-2024-45783: Fixed hfsplus refcount overflow (bsc#1233616)\n- CVE-2024-49504: Fixed bypassing TPM-bound disk encryption on SL(E)M\n  encrypted Images (bsc#1229163) (bsc#1229164)\n- CVE-2024-56737: Fixed heap-based buffer overflow in fs/hfs.c via\n  crafted sblock data in an HFS filesystem (bsc#1234958)\n- CVE-2024-56738: Fixed side-channel attack due to not constant-time\n  algorithm in grub_crypto_memcmp (bsc#1234959)\n- CVE-2025-0622: Fixed command/gpg use-after-free due to hooks not being\n  removed on module unload (bsc#1236317)\n- CVE-2025-0624: Fixed net Out-of-bounds write in grub_net_search_config_file() (bsc#1236316)\n- CVE-2025-0677: Fixed UFS integer overflow may lead to heap based\n  out-of-bounds write when handling symlinks (bsc#1237002)\n- CVE-2025-0678: Fixed squash4 Integer overflow may lead to heap based\n  out-of-bounds write when reading data (bsc#1237006)\n- CVE-2025-0684: Fixed reiserfs Integer overflow when handling symlinks\n  may lead to heap based out-of-bounds write when reading data (bsc#1237008)\n- CVE-2025-0685: Fixed jfs Integer overflow when handling symlinks may\n  lead to heap based out-of-bounds write when reading data (bsc#1237009)\n- CVE-2025-0686: Fixed romfs Integer overflow when handling symlinks\n  may lead to heap based out-of-bounds write when reading data (bsc#1237010)\n- CVE-2025-0689: Fixed udf heap based buffer overflow  in\n  grub_udf_read_block() may lead to arbitrary code execution (bsc#1237011)\n- CVE-2025-0690: Fixed \"read\" integer overflow may lead to out-of-bounds write (bsc#1237012)\n- CVE-2025-1118: Fixed commands/dump The dump command is not in lockdown when secure boot is enabled (bsc#1237013)\n- CVE-2025-1125: Fixed fs/hfs interger overflow may lead to heap based out-of-bounds write (bsc#1237014)\n- CVE-2025-4382: Fixed TPM auto-decryption data exposure (bsc#1242971)\n- Restrict CLI access if the encrypted root device is automatically unlocked by\n  the TPM. LUKS password authentication is required for access to be granted\n","status":"published","published":"2025-10-17T12:04:21Z","modified":"2026-03-23T04:51:03.18499Z","updated_at":"2026-11-02T15:53:59.92114Z"}]}}