{"id":"CVE-2026-13595","aliases":["ALSA-2026:93461","ALSA-2026:96212","AZL-91581","BELL-CVE-2026-13595","CLSA-2026-1785510866","CLSA-2026-1787813016","DEBIAN-CVE-2026-13595","EUVD-2026-40053","GHSA-qpmf-9p9c-455w","JLSEC-2026-1263","OESA-2026-2883","OESA-2026-2884","OESA-2026-2885","OESA-2026-2886","OESA-2026-3088","RHSA-2026:26573","RLSA-2026:93461","RLSA-2026:96212","ROOT-OS-DEBIAN-11-CVE-2026-13595","ROOT-OS-DEBIAN-12-CVE-2026-13595","ROOT-OS-DEBIAN-13-CVE-2026-13595","SUSE-SU-2026:23250-1","SUSE-SU-2026:23255-1","SUSE-SU-2026:23861-1","SUSE-SU-2026:23870-1","SUSE-SU-2026:23884-1","SUSE-SU-2026:3684-1","SUSE-SU-2026:3685-1","SUSE-SU-2026:3812-1","SUSE-SU-2026:3813-1","SUSE-SU-2026:4296-1","UBUNTU-CVE-2026-13595","USN-8702-1","openSUSE-SU-2026:11408-1","openSUSE-SU-2026:21905-1"],"status":"published","title":"Util-linux: util-linux: heap use-after-free in libblkid nested partition probing","description":"A flaw was found in the libblkid library of util-linux. During nested partition probing, the BSD, Minix, Solaris x86, and UnixWare partition probers cache a raw pointer to a parent partition entry in a dynamically allocated array. When subsequent partition additions cause the array to be reallocated, this pointer becomes stale, leading to a heap use-after-free read. An attacker who can present a crafted block device image (for example, via USB insertion or a loop-mounted disk image) can trigger this flaw without user interaction, as libblkid is invoked automatically by udev/udisks as root on block-device hot-plug events. This could lead to limited information disclosure or denial of service.","severity":{"version":"3.1","score":6.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00144,"percentile":0.03742,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-416"],"published":"2026-06-29T08:06:09Z","modified":"2026-11-10T12:30:02Z","fixes":[{"ecosystem":"Azure Linux:3","package":"util-linux","fixed_in":["2.40.2-5"],"sources":["osv"]},{"ecosystem":"Alpaquita:23","package":"util-linux","fixed_in":["2.38.1-r7"],"sources":["osv"]},{"ecosystem":"Alpaquita:25","package":"util-linux","fixed_in":["2.41-r9"],"sources":["osv"]},{"ecosystem":"Alpaquita:stream","package":"util-linux","fixed_in":["2.42.2-r0"],"sources":["osv"]},{"ecosystem":"BellSoft Hardened 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util-linux: heap use-after-free in libblkid nested partition probing","description":"A flaw was found in the libblkid library of util-linux. During nested partition probing, the BSD, Minix, Solaris x86, and UnixWare partition probers cache a raw pointer to a parent partition entry in a dynamically allocated array. When subsequent partition additions cause the array to be reallocated, this pointer becomes stale, leading to a heap use-after-free read. An attacker who can present a crafted block device image (for example, via USB insertion or a loop-mounted disk image) can trigger this flaw without user interaction, as libblkid is invoked automatically by udev/udisks as root on block-device hot-plug events. This could lead to limited information disclosure or denial of service.","status":"published","published":"2026-06-29T08:06:09.059Z","modified":"2026-11-09T10:17:58.474Z","cvss":[{"version":"3.1","score":6.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H","level":"medium","assessor":"cna"}],"cwes":["CWE-416"],"updated_at":"2026-11-09T11:32:58.17855Z"}],"euvd":[{"id":"EUVD-2026-40053","description":"A flaw was found in the libblkid library of util-linux. During nested partition probing, the BSD, Minix, Solaris x86, and UnixWare partition probers cache a raw pointer to a parent partition entry in a dynamically allocated array. When subsequent partition additions cause the array to be reallocated, this pointer becomes stale, leading to a heap use-after-free read. An attacker who can present a crafted block device image (for example, via USB insertion or a loop-mounted disk image) can trigger this flaw without user interaction, as libblkid is invoked automatically by udev/udisks as root on block-device hot-plug events. This could lead to limited information disclosure or denial of service.","status":"published","published":"2026-06-29T08:06:09Z","modified":"2026-11-09T10:17:58Z","cvss":[{"version":"3.1","score":6.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H","level":"medium"}],"updated_at":"2026-11-09T11:16:39.667923Z"}],"ghsa":[{"id":"GHSA-qpmf-9p9c-455w","title":"A flaw was found in the libblkid library of util-linux. During nested partition probing, the BSD,...","description":"A flaw was found in the libblkid library of util-linux. During nested partition probing, the BSD, Minix, Solaris x86, and UnixWare partition probers cache a raw pointer to a parent partition entry in a dynamically allocated array. When subsequent partition additions cause the array to be reallocated, this pointer becomes stale, leading to a heap use-after-free read. An attacker who can present a crafted block device image (for example, via USB insertion or a loop-mounted disk image) can trigger this flaw without user interaction, as libblkid is invoked automatically by udev/udisks as root on block-device hot-plug events. This could lead to limited information disclosure or denial of service.","status":"published","published":"2026-06-29T09:30:29Z","modified":"2026-11-09T12:32:43Z","cvss":[{"version":"3.1","score":6.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H","level":"medium"}],"cwes":["CWE-416"],"updated_at":"2026-11-09T12:48:05.483669Z"}],"nvd":[{"id":"CVE-2026-13595","description":"A flaw was found in the libblkid library of util-linux. During nested partition probing, the BSD, Minix, Solaris x86, and UnixWare partition probers cache a raw pointer to a parent partition entry in a dynamically allocated array. When subsequent partition additions cause the array to be reallocated, this pointer becomes stale, leading to a heap use-after-free read. An attacker who can present a crafted block device image (for example, via USB insertion or a loop-mounted disk image) can trigger this flaw without user interaction, as libblkid is invoked automatically by udev/udisks as root on block-device hot-plug events. This could lead to limited information disclosure or denial of service.","status":"published","published":"2026-06-29T09:16:28.303Z","modified":"2026-11-09T11:17:25.173Z","cvss":[{"version":"3.1","score":6.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H","level":"medium","assessor":"secondary"},{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:H","level":"medium","assessor":"primary"}],"cwes":["CWE-416"],"updated_at":"2026-11-09T14:14:33.403567Z"}],"osv":[{"id":"BELL-CVE-2026-13595","status":"published","published":"2026-07-01T06:03:01.865519Z","modified":"2026-07-09T07:15:04.012267075Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:28:23.037038Z"},{"id":"CVE-2026-13595","title":"Util-linux: util-linux: heap use-after-free in libblkid nested partition probing","description":"A flaw was found in the libblkid library of util-linux. During nested partition probing, the BSD, Minix, Solaris x86, and UnixWare partition probers cache a raw pointer to a parent partition entry in a dynamically allocated array. When subsequent partition additions cause the array to be reallocated, this pointer becomes stale, leading to a heap use-after-free read. An attacker who can present a crafted block device image (for example, via USB insertion or a loop-mounted disk image) can trigger this flaw without user interaction, as libblkid is invoked automatically by udev/udisks as root on block-device hot-plug events. This could lead to limited information disclosure or denial of service.","status":"published","published":"2026-06-29T08:06:09.059Z","modified":"2026-11-10T07:04:25.223714634Z","cvss":[{"version":"3.1","score":6.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H","level":"medium"}],"cwes":["CWE-416"],"updated_at":"2026-11-10T03:16:41.950556Z"},{"id":"DEBIAN-CVE-2026-13595","description":"A flaw was found in the libblkid library of util-linux. During nested partition probing, the BSD, Minix, Solaris x86, and UnixWare partition probers cache a raw pointer to a parent partition entry in a dynamically allocated array. When subsequent partition additions cause the array to be reallocated, this pointer becomes stale, leading to a heap use-after-free read. An attacker who can present a crafted block device image (for example, via USB insertion or a loop-mounted disk image) can trigger this flaw without user interaction, as libblkid is invoked automatically by udev/udisks as root on block-device hot-plug events. This could lead to limited information disclosure or denial of service.","status":"published","published":"2026-06-29T09:16:28.303Z","modified":"2026-11-10T09:47:44.878826174Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:H","level":"medium"}],"updated_at":"2026-11-07T10:14:39.995311Z"},{"id":"JLSEC-2026-1263","description":"A flaw was found in the libblkid library of util-linux. During nested partition probing, the BSD, Minix, Solaris x86, and UnixWare partition probers cache a raw pointer to a parent partition entry in a dynamically allocated array. When subsequent partition additions cause the array to be reallocated, this pointer becomes stale, leading to a heap use-after-free read. An attacker who can present a crafted block device image (for example, via USB insertion or a loop-mounted disk image) can trigger this flaw without user interaction, as libblkid is invoked automatically by udev/udisks as root on block-device hot-plug events. This could lead to limited information disclosure or denial of service.","status":"published","published":"2026-08-12T15:58:36.032Z","modified":"2026-08-12T16:15:15.364543078Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:47:18.159338Z"},{"id":"OESA-2026-2883","title":"util-linux security update","description":"The util-linux package contains a random collection of files that implements some low-level basic linux utilities.\r\n\r\nSecurity Fix(es):\n\nA flaw was found in the libblkid library of util-linux. During nested partition probing, the BSD, Minix, Solaris x86, and UnixWare partition probers cache a raw pointer to a parent partition entry in a dynamically allocated array. When subsequent partition additions cause the array to be reallocated, this pointer becomes stale, leading to a heap use-after-free read. An attacker who can present a crafted block device image (for example, via USB insertion or a loop-mounted disk image) can trigger this flaw without user interaction, as libblkid is invoked automatically by udev/udisks as root on block-device hot-plug events. This could lead to limited information disclosure or denial of service.(CVE-2026-13595)","status":"published","published":"2026-07-09T11:11:47Z","modified":"2026-08-18T01:21:15.064372171Z","cvss":[{"version":"3.1","score":6.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:52:46.823443Z"},{"id":"OESA-2026-2884","title":"util-linux security update","description":"The util-linux package contains a random collection of files that implements some low-level basic linux utilities.\r\n\r\nSecurity Fix(es):\n\nA flaw was found in the libblkid library of util-linux. During nested partition probing, the BSD, Minix, Solaris x86, and UnixWare partition probers cache a raw pointer to a parent partition entry in a dynamically allocated array. When subsequent partition additions cause the array to be reallocated, this pointer becomes stale, leading to a heap use-after-free read. An attacker who can present a crafted block device image (for example, via USB insertion or a loop-mounted disk image) can trigger this flaw without user interaction, as libblkid is invoked automatically by udev/udisks as root on block-device hot-plug events. This could lead to limited information disclosure or denial of service.(CVE-2026-13595)","status":"published","published":"2026-07-09T11:11:47Z","modified":"2026-08-18T01:21:15.059200274Z","cvss":[{"version":"3.1","score":6.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:52:46.823443Z"},{"id":"OESA-2026-2885","title":"util-linux security update","description":"The util-linux package contains a random collection of files that implements some low-level basic linux utilities.\r\n\r\nSecurity Fix(es):\n\nA flaw was found in the libblkid library of util-linux. During nested partition probing, the BSD, Minix, Solaris x86, and UnixWare partition probers cache a raw pointer to a parent partition entry in a dynamically allocated array. When subsequent partition additions cause the array to be reallocated, this pointer becomes stale, leading to a heap use-after-free read. An attacker who can present a crafted block device image (for example, via USB insertion or a loop-mounted disk image) can trigger this flaw without user interaction, as libblkid is invoked automatically by udev/udisks as root on block-device hot-plug events. This could lead to limited information disclosure or denial of service.(CVE-2026-13595)","status":"published","published":"2026-07-09T11:11:47Z","modified":"2026-08-18T01:21:15.106303166Z","cvss":[{"version":"3.1","score":6.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:52:46.823443Z"},{"id":"OESA-2026-2886","title":"util-linux security update","description":"The util-linux package contains a random collection of files that implements some low-level basic linux utilities.\r\n\r\nSecurity Fix(es):\n\nA flaw was found in the libblkid library of util-linux. During nested partition probing, the BSD, Minix, Solaris x86, and UnixWare partition probers cache a raw pointer to a parent partition entry in a dynamically allocated array. When subsequent partition additions cause the array to be reallocated, this pointer becomes stale, leading to a heap use-after-free read. An attacker who can present a crafted block device image (for example, via USB insertion or a loop-mounted disk image) can trigger this flaw without user interaction, as libblkid is invoked automatically by udev/udisks as root on block-device hot-plug events. This could lead to limited information disclosure or denial of service.(CVE-2026-13595)","status":"published","published":"2026-07-09T11:11:47Z","modified":"2026-08-18T01:21:15.064223994Z","cvss":[{"version":"3.1","score":6.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:52:46.823443Z"},{"id":"OESA-2026-3088","title":"util-linux security update","description":"The util-linux package contains a random collection of files that implements some low-level basic linux utilities.\r\n\r\nSecurity Fix(es):\n\nA flaw was found in the libblkid library of util-linux. During nested partition probing, the BSD, Minix, Solaris x86, and UnixWare partition probers cache a raw pointer to a parent partition entry in a dynamically allocated array. When subsequent partition additions cause the array to be reallocated, this pointer becomes stale, leading to a heap use-after-free read. An attacker who can present a crafted block device image (for example, via USB insertion or a loop-mounted disk image) can trigger this flaw without user interaction, as libblkid is invoked automatically by udev/udisks as root on block-device hot-plug events. This could lead to limited information disclosure or denial of service.(CVE-2026-13595)","status":"published","published":"2026-07-19T11:11:58Z","modified":"2026-08-18T01:21:20.912696791Z","cvss":[{"version":"3.1","score":6.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:52:46.823443Z"},{"id":"RHSA-2026:26573","title":"Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update","status":"published","published":"2026-06-30T10:46:05Z","modified":"2026-10-06T10:31:23.057686331Z","cvss":[{"version":"3.1","score":6.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:53:19.449341Z"},{"id":"RLSA-2026:93461","title":"Important: util-linux security update","description":"The util-linux packages contain a large variety of low-level system utilities that are necessary for a Linux system to function. Among others, these include the fdisk configuration tool and the login program.\n\nSecurity Fix(es):\n\n* util-linux: TOCTOU in the mount program when setting up loop devices (CVE-2026-27456)\n\n* util-linux: util-linux: heap use-after-free in libblkid nested partition probing (CVE-2026-13595)\n\n* util-linux: TOCTOU in the mount program via ancestor directory swap on target path (CVE-2026-53613)\n\n* util-linux: util-linux: TOCTOU in the mount program when applying post-mount ownership/mode changes (CVE-2026-53612)\n\n* util-linux: util-linux: SUID mount(8) allows nosuid/noexec bypass via LIBMOUNT_FORCE_MOUNT2 (CVE-2026-53614)\n\n* util-linux: util-linux: failed external mount helper still runs privileged X-mount post-hooks (CVE-2026-76642)\n\n* util-linux: util-linux: nsenter --join-cgroup leaks root cgroup migration authority (CVE-2026-78408)\n\n* util-linux: util-linux: restricted bind mounts do not pin the source, allowing X-mount.owner/group/mode redirection (CVE-2026-78410)\n\n* util-linux: util-linux: Partition metadata compromise via integer overflow in DOS partition parser (CVE-2026-53615)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.","status":"published","published":"2026-11-03T12:10:03.560067Z","modified":"2026-11-03T12:30:03.478027736Z","cvss":[{"version":"3.1","score":8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:H","level":"high"}],"updated_at":"2026-11-03T13:02:16.068655Z"},{"id":"RLSA-2026:96212","title":"Important: util-linux security update","description":"The util-linux packages contain a large variety of low-level system utilities that are necessary for a Linux system to function. Among others, these include the fdisk configuration tool and the login program.\n\nSecurity Fix(es):\n\n* util-linux: util-linux: heap use-after-free in libblkid nested partition probing (CVE-2026-13595)\n\n* util-linux: TOCTOU in the mount program via ancestor directory swap on target path (CVE-2026-53613)\n\n* util-linux: util-linux: Partition metadata compromise via integer overflow in DOS partition parser (CVE-2026-53615)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.","status":"published","published":"2026-11-10T12:01:05.33172Z","modified":"2026-11-10T12:30:02.483728291Z","cvss":[{"version":"3.1","score":8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:H","level":"high"}],"updated_at":"2026-11-10T12:59:04.624749Z"},{"id":"UBUNTU-CVE-2026-13595","description":"A flaw was found in the libblkid library of util-linux. During nested partition probing, the BSD, Minix, Solaris x86, and UnixWare partition probers cache a raw pointer to a parent partition entry in a dynamically allocated array. When subsequent partition additions cause the array to be reallocated, this pointer becomes stale, leading to a heap use-after-free read. An attacker who can present a crafted block device image (for example, via USB insertion or a loop-mounted disk image) can trigger this flaw without user interaction, as libblkid is invoked automatically by udev/udisks as root on block-device hot-plug events. This could lead to limited information disclosure or denial of service.","status":"published","published":"2026-06-29T09:16:00Z","modified":"2026-10-17T12:58:45.725397607Z","cvss":[{"version":"3.1","score":6.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H","level":"medium"},{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T16:56:00.592716Z"},{"id":"ALSA-2026:93461","title":"Important: util-linux security update","description":"The util-linux packages contain a large variety of low-level system utilities that are necessary for a Linux system to function. Among others, these include the fdisk configuration tool and the login program.  \n\nSecurity Fix(es):  \n\n  * util-linux: TOCTOU in the mount program when setting up loop devices (CVE-2026-27456)\n  * util-linux: util-linux: heap use-after-free in libblkid nested partition probing (CVE-2026-13595)\n  * util-linux: TOCTOU in the mount program via ancestor directory swap on target path (CVE-2026-53613)\n  * util-linux: util-linux: TOCTOU in the mount program when applying post-mount ownership/mode changes (CVE-2026-53612)\n  * util-linux: util-linux: SUID mount(8) allows nosuid/noexec bypass via LIBMOUNT_FORCE_MOUNT2 (CVE-2026-53614)\n  * util-linux: util-linux: failed external mount helper still runs privileged X-mount post-hooks (CVE-2026-76642)\n  * util-linux: util-linux: nsenter --join-cgroup leaks root cgroup migration authority (CVE-2026-78408)\n  * util-linux: util-linux: restricted bind mounts do not pin the source, allowing X-mount.owner/group/mode redirection (CVE-2026-78410)\n  * util-linux: util-linux: Partition metadata compromise via integer overflow in DOS partition parser (CVE-2026-53615)\n\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.\n","status":"published","published":"2026-11-02T00:00:00Z","modified":"2026-11-02T10:30:02.100888253Z","updated_at":"2026-11-02T15:27:57.367731Z"},{"id":"ALSA-2026:96212","title":"Important: util-linux security update","description":"The util-linux packages contain a large variety of low-level system utilities that are necessary for a Linux system to function. Among others, these include the fdisk configuration tool and the login program.  \n\nSecurity Fix(es):  \n\n  * util-linux: util-linux: heap use-after-free in libblkid nested partition probing (CVE-2026-13595)\n  * util-linux: TOCTOU in the mount program via ancestor directory swap on target path (CVE-2026-53613)\n  * util-linux: util-linux: Partition metadata compromise via integer overflow in DOS partition parser (CVE-2026-53615)\n\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.\n","status":"published","published":"2026-11-09T00:00:00Z","modified":"2026-11-09T15:00:02.579520798Z","updated_at":"2026-11-09T15:32:21.787252Z"},{"id":"AZL-91581","title":"CVE-2026-13595 affecting package util-linux for versions less than 2.40.2-5","description":"A flaw was found in the libblkid library of util-linux. During nested partition probing, the BSD, Minix, Solaris x86, and UnixWare partition probers cache a raw pointer to a parent partition entry in a dynamically allocated array. When subsequent partition additions cause the array to be reallocated, this pointer becomes stale, leading to a heap use-after-free read. An attacker who can present a crafted block device image (for example, via USB insertion or a loop-mounted disk image) can trigger this flaw without user interaction, as libblkid is invoked automatically by udev/udisks as root on block-device hot-plug events. This could lead to limited information disclosure or denial of service.","status":"published","published":"2026-06-29T09:16:28Z","modified":"2026-11-05T05:40:51Z","updated_at":"2026-11-05T16:41:25.633663Z"},{"id":"CLSA-2026-1785510866","title":"util-linux: Fix of CVE-2026-13595","description":"- CVE-2026-13595: libblkid: fix use-after-free in nested partition probing by\n  switching parts pool from array-of-structs to array-of-pointers so\n  blkid_partition addresses stay stable across pool growth","status":"published","published":"2026-07-31T16:44:34Z","modified":"2026-10-26T09:30:30.705189447Z","updated_at":"2026-11-02T15:43:46.850893Z"},{"id":"CLSA-2026-1787813016","title":"util-linux: Fix of CVE-2026-13595","description":"- CVE-2026-13595: libblkid: fix heap use-after-free read in nested partition\n  probing where the BSD, Minix, Solaris x86 and UnixWare probers cached a\n  pointer into the partition array that was invalidated when adding further\n  partitions reallocated it; store partitions as an array of individually\n  allocated pointers so partition pointers stay stable across reallocation","status":"published","published":"2026-08-27T06:43:46Z","modified":"2026-10-26T09:31:29.657475716Z","updated_at":"2026-11-02T15:43:47.591214Z"},{"id":"openSUSE-SU-2026:11408-1","title":"libblkid-devel-2.42.2-1.1 on GA media","description":"These are all security issues fixed in the libblkid-devel-2.42.2-1.1 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2026-07-29T00:00:00Z","modified":"2026-07-30T17:15:06.826187063Z","updated_at":"2026-11-02T16:58:39.516824Z"},{"id":"openSUSE-SU-2026:21905-1","title":"Security update for util-linux","description":"This update for util-linux fixes the following issues:\n\n- CVE-2026-13595: heap use-after-free in `libblkid` nested partition probing (bsc#1269583).\n- CVE-2026-27456: TOCTOU in the mount program when setting up loop devices (bsc#1261606).\n- CVE-2026-53612: local privilege escalation via TOCTOU in mount(8) hook_owner.c chmod/chown (bsc#1268886).\n- CVE-2026-53613: local privilege escalation via TOCTOU in mount(8) - Target Path Redirection (bsc#1268886).\n- CVE-2026-53614: local privilege escalation via LIBMOUNT_FORCE_MOUNT2 Environment Variable - nosuid/noexec\n  Bypass in SUID mount(8) (bsc#1268886).\n- CVE-2026-76642: failed external mount helper triggers privileged `X-mount` post-hooks, which enables local privilege\n  escalation (bsc#1278349).\n- CVE-2026-78408: `nsenter --join-cgroup` leaks root `cgroup` migration authority, which allows for migration or\n  termination of root processes (bsc#1278348).\n- CVE-2026-78410: restricted `bind` mounts do not pin the source, which allows for `X-mount.owner`/`group`/`mode`\n  redirection (bsc#1278347).\n\nChanges for util-linux:\n\n- lib/fileutils: add ul_openat_resolve() openat2 wrapper (bsc#1275441)\n- lib/fileutils: fix RESOLVE_NO_SYMLINKS fallback value\n- lib/fileutils: fix unused parameter warnings without SYS_openat2\n- libmount: add missing fileutils.h include to hook_idmap.c\n- libmount: add mnt_open_tree() helper for safe tree opening\n- libmount: pin source path with openat2() for restricted users\n (bsc#1275441, bsc#1278347, CVE-2026-78410)\n- libmount: restrict source path canonicalization for non-root\n users (bsc#1275441, bsc#1278347, CVE-2026-78410)\n- libmount: skip post-mount hooks after failed mount helper\n (bsc#1275441, bsc#1278349, CVE-2026-76642)\n- libmount: use USE_LIBMOUNT_MOUNTFD_SUPPORT for idmap hook\n- nsenter: close cgroup.procs fd after join to prevent authority\n leak (bsc#1275441, bsc#1278348, CVE-2026-78408)\n- nsenter, unshare: add O_CLOEXEC to all open() calls (bsc#1275441,\n bsc#1278348, CVE-2026-78408)\n- wall, write: sanitize hostname in banner header (bsc#1275441)\n- Add missing function. (bsc#1275441)\n- ipcutils: Prevent using uninitialized variable (bsc#1268886)\n- BREAKING CHANGE:\n Paths must always be canonicalized for unprivileged users to\n ensure safe target resolution. X-mount.nocanonicalize is ignored\n for them.\n- INCOMAPTIBLE CHANGE (linux \u003c 6.15):\n X-mount.subdir: The safe detached subdirectory is no more\n supported for unprivileged users for safety reasons.\n- liblastlog2: Wait on busy SQLite connections (bsc#1268886).\n- libmount: Fix subvolid buffer overflow in get_btrfs_fs_root\n (bsc#1268886).\n- libblkid: Fix use-after-free in nested partition probing\n (bsc#1269583, bsc#1268886, CVE-2026-13595)\n- libmount: fix SUID bypass via LIBMOUNT_FORCE_MOUNT2 and legacy\n mount path (bsc#1268886, CVE-2026-53614, GHSA-67r7-8m5w-22wx).\n- fileutils: add ul_open_no_symlinks() needed by other patches\n (bsc#1268886).\n- libmount: add fd_target to context for TOCTOU race condition\n prevention (bsc#1268886, CVE-2026-53613, GHSA-8gj5-72r3-428g).\n- libmount: ignore X-mount.nocanonicalize for restricted users\n- libmount: use fd-based fchownat/chmod in hook_owner (bsc#1268886,\n CVE-2026-53612, GHSA-g8wm-75wr-g2vh).\n- libmount: restrict X-mount.subdir for non-root (bsc#1268886).\n- libmount: use fd_target in hook_idmap for move_mount()\n- libmount: add mount ID verification and man page TOCTOU note\n- loopdev: use openat2(RESOLVE_NO_SYMLINKS) for backing file\n (bsc#1268886#c2, bsc#1261606).\n- Ignore pam-config error that prevents update failure if common*\n pam configuration is not symlink to common-*-pc (bsc#1270219).\n","status":"published","published":"2026-09-22T07:23:43Z","modified":"2026-09-25T18:23:12.440484259Z","updated_at":"2026-11-02T16:58:42.426393Z"},{"id":"ROOT-OS-DEBIAN-11-CVE-2026-13595","title":"CVE-2026-13595 in util-linux - Patched by Root","description":"Root has patched CVE-2026-13595 in the util-linux package for Root:Debian:11. Multiple fixed versions available.","status":"published","published":"2026-10-20T10:42:53Z","modified":"2026-10-20T11:15:37.323171084Z","updated_at":"2026-11-02T15:53:29.631993Z"},{"id":"ROOT-OS-DEBIAN-12-CVE-2026-13595","title":"CVE-2026-13595 in util-linux - Patched by Root","description":"Root has patched CVE-2026-13595 in the util-linux package for Root:Debian:12. Multiple fixed versions available.","status":"published","published":"2026-10-16T09:26:03Z","modified":"2026-10-16T10:15:06.052678613Z","updated_at":"2026-11-02T15:53:31.773105Z"},{"id":"ROOT-OS-DEBIAN-13-CVE-2026-13595","title":"CVE-2026-13595 in util-linux - Patched by Root","description":"Root has patched CVE-2026-13595 in the util-linux package for Root:Debian:13. Multiple fixed versions available.","status":"withdrawn","published":"2026-08-04T07:03:19Z","modified":"2026-08-19T20:00:13.611846533Z","updated_at":"2026-11-02T15:53:33.153539Z"},{"id":"SUSE-SU-2026:23250-1","title":"Security update for util-linux","description":"This update for util-linux fixes the following issues:\n\n- CVE-2026-13595: heap use-after-free read in `libblkid` nested partition probing (bsc#1269583).\n- CVE-2026-27456: TOCTOU race condition in the mount program when setting up loop devices (bsc#1261606).\n- Several security issues in releases prior to v2.42.2 and v2.41.5 (bsc#1268886).\n","status":"published","published":"2026-08-21T14:17:45Z","modified":"2026-08-27T18:23:11.796008266Z","updated_at":"2026-11-02T15:54:03.503431Z"},{"id":"SUSE-SU-2026:23255-1","title":"Security update for util-linux","description":"This update for util-linux fixes the following issues:\n\nSecurity issues fixed:\n\n- CVE-2026-13595: heap use-after-free read in `libblkid` nested partition probing (bsc#1269583).\n- CVE-2026-27456: TOCTOU race condition in the mount program when setting up loop devices (bsc#1261606).\n- Several security issues in releases prior to v2.42.2 and v2.41.5 (bsc#1268886).\n\nOther updates and bugfixes:\n\n- Ignore `pam-config` error that prevents update failure if `common*` pam configuration is not symlink to `common-*-pc`\n  (bsc#1270219).\n","status":"published","published":"2026-08-24T15:02:24Z","modified":"2026-08-31T18:23:07.993155547Z","updated_at":"2026-11-02T15:54:03.503431Z"},{"id":"SUSE-SU-2026:23861-1","title":"Security update for util-linux","description":"This update for util-linux fixes the following issues:\n\n- CVE-2026-13595: heap use-after-free in `libblkid` nested partition probing (bsc#1269583).\n- CVE-2026-27456: TOCTOU in the mount program when setting up loop devices (bsc#1261606).\n- CVE-2026-53612: local privilege escalation via TOCTOU in mount(8) hook_owner.c chmod/chown (bsc#1268886).\n- CVE-2026-53613: local privilege escalation via TOCTOU in mount(8) - Target Path Redirection (bsc#1268886).\n- CVE-2026-53614: local privilege escalation via LIBMOUNT_FORCE_MOUNT2 Environment Variable - nosuid/noexec\n  Bypass in SUID mount(8) (bsc#1268886).\n- CVE-2026-76642: failed external mount helper triggers privileged `X-mount` post-hooks, which enables local privilege\n  escalation (bsc#1278349).\n- CVE-2026-78408: `nsenter --join-cgroup` leaks root `cgroup` migration authority, which allows for migration or\n  termination of root processes (bsc#1278348).\n- CVE-2026-78410: restricted `bind` mounts do not pin the source, which allows for `X-mount.owner`/`group`/`mode`\n  redirection (bsc#1278347).\n\nChanges for util-linux:\n\n- lib/fileutils: add ul_openat_resolve() openat2 wrapper (bsc#1275441)\n- lib/fileutils: fix RESOLVE_NO_SYMLINKS fallback value\n- lib/fileutils: fix unused parameter warnings without SYS_openat2\n- libmount: add missing fileutils.h include to hook_idmap.c\n- libmount: add mnt_open_tree() helper for safe tree opening\n- libmount: pin source path with openat2() for restricted users\n (bsc#1275441, bsc#1278347, CVE-2026-78410)\n- libmount: restrict source path canonicalization for non-root\n users (bsc#1275441, bsc#1278347, CVE-2026-78410)\n- libmount: skip post-mount hooks after failed mount helper\n (bsc#1275441, bsc#1278349, CVE-2026-76642)\n- libmount: use USE_LIBMOUNT_MOUNTFD_SUPPORT for idmap hook\n- nsenter: close cgroup.procs fd after join to prevent authority\n leak (bsc#1275441, bsc#1278348, CVE-2026-78408)\n- nsenter, unshare: add O_CLOEXEC to all open() calls (bsc#1275441,\n bsc#1278348, CVE-2026-78408)\n- wall, write: sanitize hostname in banner header (bsc#1275441)\n- Add missing function. (bsc#1275441)\n- ipcutils: Prevent using uninitialized variable (bsc#1268886)\n- BREAKING CHANGE:\n Paths must always be canonicalized for unprivileged users to\n ensure safe target resolution. X-mount.nocanonicalize is ignored\n for them.\n- INCOMAPTIBLE CHANGE (linux \u003c 6.15):\n X-mount.subdir: The safe detached subdirectory is no more\n supported for unprivileged users for safety reasons.\n- liblastlog2: Wait on busy SQLite connections (bsc#1268886).\n- libmount: Fix subvolid buffer overflow in get_btrfs_fs_root\n (bsc#1268886).\n- libblkid: Fix use-after-free in nested partition probing\n (bsc#1269583, bsc#1268886, CVE-2026-13595)\n- libmount: fix SUID bypass via LIBMOUNT_FORCE_MOUNT2 and legacy\n mount path (bsc#1268886, CVE-2026-53614, GHSA-67r7-8m5w-22wx).\n- fileutils: add ul_open_no_symlinks() needed by other patches\n (bsc#1268886).\n- libmount: add fd_target to context for TOCTOU race condition\n prevention (bsc#1268886, CVE-2026-53613, GHSA-8gj5-72r3-428g).\n- libmount: ignore X-mount.nocanonicalize for restricted users\n- libmount: use fd-based fchownat/chmod in hook_owner (bsc#1268886,\n CVE-2026-53612, GHSA-g8wm-75wr-g2vh).\n- libmount: restrict X-mount.subdir for non-root (bsc#1268886).\n- libmount: use fd_target in hook_idmap for move_mount()\n- libmount: add mount ID verification and man page TOCTOU note\n- loopdev: use openat2(RESOLVE_NO_SYMLINKS) for backing file\n (bsc#1268886#c2, bsc#1261606).\n- Ignore pam-config error that prevents update failure if common*\n pam configuration is not symlink to common-*-pc (bsc#1270219).\n","status":"published","published":"2026-09-22T07:23:33Z","modified":"2026-09-27T18:23:16.546288969Z","updated_at":"2026-11-02T15:54:03.991985Z"},{"id":"SUSE-SU-2026:23870-1","title":"Security update for util-linux","description":"This update for util-linux fixes the following issues:\n\n- CVE-2026-13595: heap use-after-free in `libblkid` nested partition probing (bsc#1269583).\n- CVE-2026-27456: TOCTOU in the mount program when setting up loop devices (bsc#1261606).\n- CVE-2026-53612: local privilege escalation via TOCTOU in mount(8) hook_owner.c chmod/chown (bsc#1268886).\n- CVE-2026-53613: local privilege escalation via TOCTOU in mount(8) - Target Path Redirection (bsc#1268886).\n- CVE-2026-53614: local privilege escalation via LIBMOUNT_FORCE_MOUNT2 Environment Variable - nosuid/noexec\n  Bypass in SUID mount(8) (bsc#1268886).\n- CVE-2026-76642: failed external mount helper triggers privileged `X-mount` post-hooks, which enables local privilege\n  escalation (bsc#1278349).\n- CVE-2026-78408: `nsenter --join-cgroup` leaks root `cgroup` migration authority, which allows for migration or\n  termination of root processes (bsc#1278348).\n- CVE-2026-78410: restricted `bind` mounts do not pin the source, which allows for `X-mount.owner`/`group`/`mode`\n  redirection (bsc#1278347).\n\nChanges for util-linux:\n\n- lib/fileutils: add ul_openat_resolve() openat2 wrapper (bsc#1275441)\n- lib/fileutils: fix RESOLVE_NO_SYMLINKS fallback value\n- lib/fileutils: fix unused parameter warnings without SYS_openat2\n- libmount: add missing fileutils.h include to hook_idmap.c\n- libmount: add mnt_open_tree() helper for safe tree opening\n- libmount: pin source path with openat2() for restricted users\n (bsc#1275441, bsc#1278347, CVE-2026-78410)\n- libmount: restrict source path canonicalization for non-root\n users (bsc#1275441, bsc#1278347, CVE-2026-78410)\n- libmount: skip post-mount hooks after failed mount helper\n (bsc#1275441, bsc#1278349, CVE-2026-76642)\n- libmount: use USE_LIBMOUNT_MOUNTFD_SUPPORT for idmap hook\n- nsenter: close cgroup.procs fd after join to prevent authority\n leak (bsc#1275441, bsc#1278348, CVE-2026-78408)\n- nsenter, unshare: add O_CLOEXEC to all open() calls (bsc#1275441,\n bsc#1278348, CVE-2026-78408)\n- wall, write: sanitize hostname in banner header (bsc#1275441)\n- Add missing function. (bsc#1275441)\n- ipcutils: Prevent using uninitialized variable (bsc#1268886)\n- BREAKING CHANGE:\n Paths must always be canonicalized for unprivileged users to\n ensure safe target resolution. X-mount.nocanonicalize is ignored\n for them.\n- INCOMAPTIBLE CHANGE (linux \u003c 6.15):\n X-mount.subdir: The safe detached subdirectory is no more\n supported for unprivileged users for safety reasons.\n- liblastlog2: Wait on busy SQLite connections (bsc#1268886).\n- libmount: Fix subvolid buffer overflow in get_btrfs_fs_root\n (bsc#1268886).\n- libblkid: Fix use-after-free in nested partition probing\n (bsc#1269583, bsc#1268886, CVE-2026-13595)\n- libmount: fix SUID bypass via LIBMOUNT_FORCE_MOUNT2 and legacy\n mount path (bsc#1268886, CVE-2026-53614, GHSA-67r7-8m5w-22wx).\n- fileutils: add ul_open_no_symlinks() needed by other patches\n (bsc#1268886).\n- libmount: add fd_target to context for TOCTOU race condition\n prevention (bsc#1268886, CVE-2026-53613, GHSA-8gj5-72r3-428g).\n- libmount: ignore X-mount.nocanonicalize for restricted users\n- libmount: use fd-based fchownat/chmod in hook_owner (bsc#1268886,\n CVE-2026-53612, GHSA-g8wm-75wr-g2vh).\n- libmount: restrict X-mount.subdir for non-root (bsc#1268886).\n- libmount: use fd_target in hook_idmap for move_mount()\n- libmount: add mount ID verification and man page TOCTOU note\n- loopdev: use openat2(RESOLVE_NO_SYMLINKS) for backing file\n (bsc#1268886#c2, bsc#1261606).\n- Ignore pam-config error that prevents update failure if common*\n pam configuration is not symlink to common-*-pc (bsc#1270219).\n","status":"published","published":"2026-09-22T07:23:33Z","modified":"2026-09-27T18:23:17.189268803Z","updated_at":"2026-11-02T15:54:03.991985Z"},{"id":"SUSE-SU-2026:23884-1","title":"Security update for util-linux","description":"This update for util-linux fixes the following issues:\n\n- CVE-2026-13595: heap use-after-free in `libblkid` nested partition probing (bsc#1269583).\n- CVE-2026-27456: TOCTOU in the mount program when setting up loop devices (bsc#1261606).\n- CVE-2026-53612: local privilege escalation via TOCTOU in mount(8) hook_owner.c chmod/chown (bsc#1268886).\n- CVE-2026-53613: local privilege escalation via TOCTOU in mount(8) - Target Path Redirection (bsc#1268886).\n- CVE-2026-53614: local privilege escalation via LIBMOUNT_FORCE_MOUNT2 Environment Variable - nosuid/noexec\n  Bypass in SUID mount(8) (bsc#1268886).\n- CVE-2026-76642: failed external mount helper triggers privileged `X-mount` post-hooks, which enables local privilege\n  escalation (bsc#1278349).\n- CVE-2026-78408: `nsenter --join-cgroup` leaks root `cgroup` migration authority, which allows for migration or\n  termination of root processes (bsc#1278348).\n- CVE-2026-78410: restricted `bind` mounts do not pin the source, which allows for `X-mount.owner`/`group`/`mode`\n  redirection (bsc#1278347).\n\nChanges for util-linux:\n\n- lib/fileutils: add ul_openat_resolve() openat2 wrapper (bsc#1275441)\n- lib/fileutils: fix RESOLVE_NO_SYMLINKS fallback value\n- lib/fileutils: fix unused parameter warnings without SYS_openat2\n- libmount: add missing fileutils.h include to hook_idmap.c\n- libmount: add mnt_open_tree() helper for safe tree opening\n- libmount: pin source path with openat2() for restricted users\n (bsc#1275441, bsc#1278347, CVE-2026-78410)\n- libmount: restrict source path canonicalization for non-root\n users (bsc#1275441, bsc#1278347, CVE-2026-78410)\n- libmount: skip post-mount hooks after failed mount helper\n (bsc#1275441, bsc#1278349, CVE-2026-76642)\n- libmount: use USE_LIBMOUNT_MOUNTFD_SUPPORT for idmap hook\n- nsenter: close cgroup.procs fd after join to prevent authority\n leak (bsc#1275441, bsc#1278348, CVE-2026-78408)\n- nsenter, unshare: add O_CLOEXEC to all open() calls (bsc#1275441,\n bsc#1278348, CVE-2026-78408)\n- wall, write: sanitize hostname in banner header (bsc#1275441)\n- Add missing function. (bsc#1275441)\n- ipcutils: Prevent using uninitialized variable (bsc#1268886)\n- BREAKING CHANGE:\n Paths must always be canonicalized for unprivileged users to\n ensure safe target resolution. X-mount.nocanonicalize is ignored\n for them.\n- INCOMAPTIBLE CHANGE (linux \u003c 6.15):\n X-mount.subdir: The safe detached subdirectory is no more\n supported for unprivileged users for safety reasons.\n- liblastlog2: Wait on busy SQLite connections (bsc#1268886).\n- libmount: Fix subvolid buffer overflow in get_btrfs_fs_root\n (bsc#1268886).\n- libblkid: Fix use-after-free in nested partition probing\n (bsc#1269583, bsc#1268886, CVE-2026-13595)\n- libmount: fix SUID bypass via LIBMOUNT_FORCE_MOUNT2 and legacy\n mount path (bsc#1268886, CVE-2026-53614, GHSA-67r7-8m5w-22wx).\n- fileutils: add ul_open_no_symlinks() needed by other patches\n (bsc#1268886).\n- libmount: add fd_target to context for TOCTOU race condition\n prevention (bsc#1268886, CVE-2026-53613, GHSA-8gj5-72r3-428g).\n- libmount: ignore X-mount.nocanonicalize for restricted users\n- libmount: use fd-based fchownat/chmod in hook_owner (bsc#1268886,\n CVE-2026-53612, GHSA-g8wm-75wr-g2vh).\n- libmount: restrict X-mount.subdir for non-root (bsc#1268886).\n- libmount: use fd_target in hook_idmap for move_mount()\n- libmount: add mount ID verification and man page TOCTOU note\n- loopdev: use openat2(RESOLVE_NO_SYMLINKS) for backing file\n (bsc#1268886#c2, bsc#1261606).\n- Ignore pam-config error that prevents update failure if common*\n pam configuration is not symlink to common-*-pc (bsc#1270219).\n","status":"published","published":"2026-09-22T07:23:33Z","modified":"2026-09-30T18:23:11.186542772Z","updated_at":"2026-11-02T15:54:03.991985Z"},{"id":"SUSE-SU-2026:3684-1","title":"Security update for util-linux","description":"This update for util-linux fixes the following issues:\n\n- CVE-2026-13595: heap use-after-free read in `libblkid` nested partition probing (bsc#1269583).\n- CVE-2026-27456: TOCTOU race condition in the mount program when setting up loop devices (bsc#1261606).\n- Several security issues in releases prior to v2.42.2 and v2.41.5 (bsc#1268886).\n","status":"published","published":"2026-08-21T18:23:24Z","modified":"2026-08-26T18:23:32.822833883Z","updated_at":"2026-11-02T15:54:05.392906Z"},{"id":"SUSE-SU-2026:3685-1","title":"Security update for util-linux","description":"This update for util-linux fixes the following issues:\n\n- CVE-2026-13595: heap use-after-free read in `libblkid` nested partition probing (bsc#1269583).\n- CVE-2026-27456: TOCTOU race condition in the mount program when setting up loop devices (bsc#1261606).\n- Several security issues in releases prior to v2.42.2 and v2.41.5 (bsc#1268886).\n","status":"published","published":"2026-08-21T18:24:05Z","modified":"2026-08-26T18:23:32.827308353Z","updated_at":"2026-11-02T15:54:05.392906Z"},{"id":"SUSE-SU-2026:3812-1","title":"Security update for util-linux","description":"This update for util-linux fixes the following issues:\n\n- CVE-2026-13595: heap use-after-free read in `libblkid` nested partition probing (bsc#1269583).\n- CVE-2026-27456: TOCTOU race condition in the mount program when setting up loop devices (bsc#1261606).\n- Several security issues in releases prior to v2.42.2 and v2.41.5 (bsc#1268886).\n","status":"published","published":"2026-08-26T10:55:09Z","modified":"2026-08-31T18:23:10.115326071Z","updated_at":"2026-11-02T15:54:05.392906Z"},{"id":"SUSE-SU-2026:3813-1","title":"Security update for util-linux","description":"This update for util-linux fixes the following issues:\n\n- CVE-2026-13595: heap use-after-free read in `libblkid` nested partition probing (bsc#1269583).\n- CVE-2026-27456: TOCTOU race condition in the mount program when setting up loop devices (bsc#1261606).\n- Several security issues in releases prior to v2.42.2 and v2.41.5 (bsc#1268886).\n","status":"published","published":"2026-08-26T10:55:59Z","modified":"2026-08-31T18:23:10.244494367Z","updated_at":"2026-11-02T15:54:05.392906Z"},{"id":"SUSE-SU-2026:4296-1","title":"Security update for util-linux","description":"This update for util-linux fixes the following issues:\n\n- CVE-2026-13595: heap use-after-free in `libblkid` nested partition probing (bsc#1269583).\n- CVE-2026-27456: TOCTOU in the mount program when setting up loop devices (bsc#1261606).\n- CVE-2026-53613: Local Privilege Escalation via TOCTOU in mount(8) — Target Path Redirection (bsc#1268886)\n","status":"published","published":"2026-09-23T07:56:50Z","modified":"2026-09-23T18:15:03.517663732Z","updated_at":"2026-11-02T15:54:05.838224Z"},{"id":"USN-8702-1","title":"util-linux vulnerabilities","description":"It was discovered that libblkid in util-linux had a heap use-after-free\nvulnerability during nested partition probing. An attacker who could\npresent a crafted block device image could possibly use this issue to\nobtain sensitive information or cause a denial of service. (CVE-2026-13595)\n\nIt was discovered that the mount utility in util-linux had a time-of-check-\ntime-of-use vulnerability when setting up loop devices. A local attacker\ncould possibly use this issue to obtain unauthorized read access to root-\nprotected files and block devices. (CVE-2026-27456)\n\nIt was discovered that the login utility in util-linux improperly\ncanonicalized hostnames when invoked with the -h option. A remote attacker\ncould possibly use this issue to bypass host-based access control rules.\nThis issue only affected Ubuntu 26.04 LTS. (CVE-2026-3184)\n\nIt was discovered that libmount in util-linux had a time-of-check-time-of-\nuse vulnerability in its ownership hook. A local attacker could possibly\nuse this issue to gain elevated privileges. This issue only affected Ubuntu\n24.04 LTS and Ubuntu 26.04 LTS. (CVE-2026-53612)\n\nIt was discovered that libmount in util-linux had a time-of-check-time-of-\nuse vulnerability that allowed target path redirection during mount\noperations. A local attacker could possibly use this issue to gain elevated\nprivileges. (CVE-2026-53613)\n\nIt was discovered that libmount in util-linux improperly handled the\nLIBMOUNT_FORCE_MOUNT2 environment variable in the SUID mount utility. A\nlocal attacker could possibly use this issue to bypass nosuid and noexec\nmount options and gain elevated privileges. This issue only affected Ubuntu\n24.04 LTS and Ubuntu 26.04 LTS. (CVE-2026-53614)\n\nIt was discovered that libblkid in util-linux had an integer overflow\nvulnerability when parsing DOS partition tables. An attacker who could\npresent a crafted block device image could possibly use this issue to cause\na denial of service. (CVE-2026-53615)","status":"published","published":"2026-08-31T12:39:05Z","modified":"2026-10-17T12:55:29.41236116Z","updated_at":"2026-11-02T16:58:26.907654Z"}]}}