{"id":"CVE-2025-11568","aliases":["ALSA-2025:23086","ALSA-2026:18421","ALSA-2026:18824","AZL-72866","CLSA-2026-1779796898","CLSA-2026-1780411655","DEBIAN-CVE-2025-11568","EUVD-2025-34697","GHSA-pvmm-7c2r-wmp4","OESA-2025-2688","RHSA-2025:23086","RHSA-2026:18421","RHSA-2026:18824","RLSA-2025:23086","RLSA-2026:18421","RLSA-2026:18824","UBUNTU-CVE-2025-11568"],"status":"published","title":"Luksmeta: data corruption when handling luks1 partitions with luksmeta","description":"A data corruption vulnerability has been identified in the luksmeta utility when used with the LUKS1 disk encryption format. An attacker with the necessary permissions can exploit this flaw by writing a large amount of metadata to an encrypted device. The utility fails to correctly validate the available space, causing the metadata to overwrite and corrupt the user's encrypted data. This action leads to a permanent loss of the stored information. Devices using the LUKS formats other than LUKS1 are not affected by this issue.","severity":{"version":"3.1","score":4.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00102,"percentile":0.00936,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-1284"],"published":"2025-10-15T19:37:11Z","modified":"2026-11-05T14:47:46Z","fixes":[{"ecosystem":"AlmaLinux:8","package":"libluksmeta","fixed_in":["9-4.el8_10.1"],"sources":["osv"]},{"ecosystem":"AlmaLinux:8","package":"libluksmeta-devel","fixed_in":["9-4.el8_10.1"],"sources":["osv"]},{"ecosystem":"AlmaLinux:8","package":"luksmeta","fixed_in":["9-4.el8_10.1"],"sources":["osv"]},{"ecosystem":"AlmaLinux:10","package":"libluksmeta","fixed_in":["10-1.el10"],"sources":["osv"]},{"ecosystem":"AlmaLinux:10","package":"libluksmeta-devel","fixed_in":["10-1.el10"],"sources":["osv"]},{"ecosystem":"AlmaLinux:10","package":"luksmeta","fixed_in":["10-1.el10"],"sources":["osv"]},{"ecosystem":"AlmaLinux:9","package":"libluksmeta","fixed_in":["10-1.el9"],"sources":["osv"]},{"ecosystem":"AlmaLinux:9","package":"libluksmeta-devel","fixed_in":["10-1.el9"],"sources":["osv"]},{"ecosystem":"AlmaLinux:9","package":"luksmeta","fixed_in":["10-1.el9"],"sources":["osv"]},{"ecosystem":"TuxCare:AlmaLinux:9.6","package":"libluksmeta","fixed_in":["9-12.el9_6.tuxcare.els1"],"sources":["osv"]},{"ecosystem":"TuxCare:AlmaLinux:9.6","package":"libluksmeta-devel","fixed_in":["9-12.el9_6.tuxcare.els1"],"sources":["osv"]},{"ecosystem":"TuxCare:AlmaLinux:9.6","package":"luksmeta","fixed_in":["9-12.el9_6.tuxcare.els1"],"sources":["osv"]},{"ecosystem":"TuxCare:AlmaLinux:9.2","package":"libluksmeta","fixed_in":["9-12.el9_2.tuxcare.els1"],"sources":["osv"]},{"ecosystem":"TuxCare:AlmaLinux:9.2","package":"libluksmeta-devel","fixed_in":["9-12.el9_2.tuxcare.els1"],"sources":["osv"]},{"ecosystem":"TuxCare:AlmaLinux:9.2","package":"luksmeta","fixed_in":["9-12.el9_2.tuxcare.els1"],"sources":["osv"]},{"ecosystem":"Debian:12","package":"luksmeta","fixed_in":["9-4+deb12u1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"luksmeta","fixed_in":["9-4+deb13u1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"luksmeta","fixed_in":["10-1"],"sources":["osv"]},{"ecosystem":"openEuler:20.03-LTS-SP4","package":"luksmeta","fixed_in":["9-7.oe2003sp4"],"sources":["osv"]},{"ecosystem":"openEuler:22.03-LTS-SP3","package":"luksmeta","fixed_in":["9-7.oe2203sp3"],"sources":["osv"]},{"ecosystem":"openEuler:22.03-LTS-SP4","package":"luksmeta","fixed_in":["9-7.oe2203sp4"],"sources":["osv"]},{"ecosystem":"openEuler:24.03-LTS","package":"luksmeta","fixed_in":["9-7.oe2403sp2"],"sources":["osv"]},{"ecosystem":"openEuler:24.03-LTS-SP1","package":"luksmeta","fixed_in":["9-7.oe2403sp1"],"sources":["osv"]},{"ecosystem":"openEuler:24.03-LTS-SP2","package":"luksmeta","fixed_in":["9-7.oe2403sp2"],"sources":["osv"]},{"ecosystem":"Red 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An attacker with the necessary permissions can exploit this flaw by writing a large amount of metadata to an encrypted device. The utility fails to correctly validate the available space, causing the metadata to overwrite and corrupt the user's encrypted data. This action leads to a permanent loss of the stored information. Devices using the LUKS formats other than LUKS1 are not affected by this issue.","status":"published","published":"2025-10-15T19:37:11.924Z","modified":"2026-11-05T14:47:46.152Z","cvss":[{"version":"3.1","score":4.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-1284"],"updated_at":"2026-11-05T16:36:33.176634Z"}],"euvd":[{"id":"EUVD-2025-34697","description":"A data corruption vulnerability has been identified in the luksmeta utility when used with the LUKS1 disk encryption format. An attacker with the necessary permissions can exploit this flaw by writing a large amount of metadata to an encrypted device. The utility fails to correctly validate the available space, causing the metadata to overwrite and corrupt the user's encrypted data. This action leads to a permanent loss of the stored information. Devices using the LUKS formats other than LUKS1 are not affected by this issue.","status":"published","published":"2025-10-15T19:37:11Z","modified":"2026-11-05T14:47:46Z","cvss":[{"version":"3.1","score":4.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N","level":"medium"}],"updated_at":"2026-11-05T16:59:57.067043Z"}],"ghsa":[{"id":"GHSA-pvmm-7c2r-wmp4","title":"A data corruption vulnerability has been identified in the luksmeta utility when used with the...","description":"A data corruption vulnerability has been identified in the luksmeta utility when used with the LUKS1 disk encryption format. An attacker with the necessary permissions can exploit this flaw by writing a large amount of metadata to an encrypted device. The utility fails to correctly validate the available space, causing the metadata to overwrite and corrupt the user's encrypted data. This action leads to a permanent loss of the stored information. Devices using the LUKS formats other than LUKS1 are not affected by this issue.","status":"published","published":"2025-10-15T21:31:40Z","modified":"2026-05-19T18:32:02Z","cvss":[{"version":"3.1","score":4.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N","level":"medium"}],"cwes":["CWE-1284"],"updated_at":"2026-11-02T15:08:12.634242Z"}],"nvd":[{"id":"CVE-2025-11568","description":"A data corruption vulnerability has been identified in the luksmeta utility when used with the LUKS1 disk encryption format. An attacker with the necessary permissions can exploit this flaw by writing a large amount of metadata to an encrypted device. The utility fails to correctly validate the available space, causing the metadata to overwrite and corrupt the user's encrypted data. This action leads to a permanent loss of the stored information. Devices using the LUKS formats other than LUKS1 are not affected by this issue.","status":"published","published":"2025-10-15T20:15:34.007Z","modified":"2026-11-05T15:17:08.69Z","cvss":[{"version":"3.1","score":4.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-1284"],"updated_at":"2026-11-05T19:55:50.758755Z"}],"osv":[{"id":"CVE-2025-11568","title":"Luksmeta: data corruption when handling luks1 partitions with luksmeta","description":"A data corruption vulnerability has been identified in the luksmeta utility when used with the LUKS1 disk encryption format. An attacker with the necessary permissions can exploit this flaw by writing a large amount of metadata to an encrypted device. The utility fails to correctly validate the available space, causing the metadata to overwrite and corrupt the user's encrypted data. This action leads to a permanent loss of the stored information. Devices using the LUKS formats other than LUKS1 are not affected by this issue.","status":"published","published":"2025-10-15T19:37:11.924Z","modified":"2026-11-07T02:30:26.117423184Z","cvss":[{"version":"3.1","score":4.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N","level":"medium"}],"cwes":["CWE-1284"],"updated_at":"2026-11-07T03:07:55.437794Z"},{"id":"DEBIAN-CVE-2025-11568","description":"A data corruption vulnerability has been identified in the luksmeta utility when used with the LUKS1 disk encryption format. An attacker with the necessary permissions can exploit this flaw by writing a large amount of metadata to an encrypted device. The utility fails to correctly validate the available space, causing the metadata to overwrite and corrupt the user's encrypted data. This action leads to a permanent loss of the stored information. Devices using the LUKS formats other than LUKS1 are not affected by this issue.","status":"published","published":"2025-10-15T20:15:34.007Z","modified":"2026-10-23T17:47:31.419889386Z","cvss":[{"version":"3.1","score":4.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N","level":"medium"}],"updated_at":"2026-11-02T15:45:45.102284Z"},{"id":"OESA-2025-2688","title":"luksmeta security update","description":"LUKSMeta is a simple library for storing metadata in the LUKSv1 header. Some projects need to store additional metadata about a LUKS volume that is accessable before unlocking it. Fortunately, there is a gap in the LUKS header between the end of the slot area and the payload offset, LUKSMeta uses this hole to store additional metadata.\r\n\r\nSecurity Fix(es):\n\nA data corruption vulnerability has been identified in the luksmeta utility when used with the LUKS1 disk encryption format. An attacker with the necessary permissions can exploit this flaw by writing a large amount of metadata to an encrypted device. The utility fails to correctly validate the available space, causing the metadata to overwrite and corrupt the user\u0026apos;s encrypted data. This action leads to a permanent loss of the stored information. Devices using the LUKS formats other than LUKS1 are not affected by this issue.(CVE-2025-11568)","status":"published","published":"2025-11-14T11:09:48Z","modified":"2026-08-18T01:19:19.299666273Z","cvss":[{"version":"3.1","score":4.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N","level":"medium"}],"updated_at":"2026-11-02T15:52:44.957082Z"},{"id":"RHSA-2025:23086","title":"Red Hat Security Advisory: luksmeta security update","status":"published","published":"2025-12-11T10:06:53Z","modified":"2026-09-02T10:06:39Z","cvss":[{"version":"3.1","score":4.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N","level":"medium"}],"updated_at":"2026-11-02T15:53:16.589982Z"},{"id":"RHSA-2026:18421","title":"Red Hat Security Advisory: luksmeta security update","status":"published","published":"2026-05-19T10:06:40Z","modified":"2026-09-02T10:10:58Z","cvss":[{"version":"3.1","score":4.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N","level":"medium"}],"updated_at":"2026-11-02T15:53:18.520917Z"},{"id":"RHSA-2026:18824","title":"Red Hat Security Advisory: luksmeta security update","status":"published","published":"2026-05-20T10:09:29Z","modified":"2026-09-02T10:11:02Z","cvss":[{"version":"3.1","score":4.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N","level":"medium"}],"updated_at":"2026-11-02T15:53:18.520917Z"},{"id":"RLSA-2025:23086","title":"Moderate: luksmeta security update","description":"LUKSMeta is a simple library for storing metadata in the LUKSv1 header. The luksmeta package is a dependency of the clevis and tang packages, together providing the Network Bound Disk Encryption (NBDE) in Rocky Linux.\n\nSecurity Fix(es):\n\n* luksmeta: Data corruption when handling LUKS1 partitions with luksmeta (CVE-2025-11568)\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":"2025-12-13T09:07:09.759044Z","modified":"2025-12-13T09:44:48.886352Z","cvss":[{"version":"3.1","score":4.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N","level":"medium"}],"updated_at":"2026-11-02T15:53:25.216873Z"},{"id":"RLSA-2026:18421","title":"Moderate: luksmeta security update","description":"LUKSMeta is a simple library for storing metadata in the LUKSv1 header. The luksmeta package is a dependency of the clevis and tang packages, together providing the Network Bound Disk Encryption (NBDE) in Rocky Linux.\n\nSecurity Fix(es):\n\n* luksmeta: Data corruption when handling LUKS1 partitions with luksmeta (CVE-2025-11568)\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\nAdditional Changes:\n\nFor detailed information on changes in this release, see the Rocky Linux 10 Release Notes linked from the References section.","status":"published","published":"2026-05-29T16:03:24.060458Z","modified":"2026-05-29T16:30:44.579582192Z","cvss":[{"version":"3.1","score":4.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N","level":"medium"}],"updated_at":"2026-11-02T15:53:25.508922Z"},{"id":"RLSA-2026:18824","title":"Moderate: luksmeta security update","description":"LUKSMeta is a simple library for storing metadata in the LUKSv1 header. The luksmeta package is a dependency of the clevis and tang packages, together providing the Network Bound Disk Encryption (NBDE) in Rocky Linux.\n\nSecurity Fix(es):\n\n* luksmeta: Data corruption when handling LUKS1 partitions with luksmeta (CVE-2025-11568)\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\nAdditional Changes:\n\nFor detailed information on changes in this release, see the Rocky Linux 9 Release Notes linked from the References section.","status":"published","published":"2026-05-28T15:43:06.024531Z","modified":"2026-05-28T16:00:24.024802687Z","cvss":[{"version":"3.1","score":4.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N","level":"medium"}],"updated_at":"2026-11-02T15:53:25.508922Z"},{"id":"UBUNTU-CVE-2025-11568","description":"A data corruption vulnerability has been identified in the luksmeta utility when used with the LUKS1 disk encryption format. An attacker with the necessary permissions can exploit this flaw by writing a large amount of metadata to an encrypted device. The utility fails to correctly validate the available space, causing the metadata to overwrite and corrupt the user's encrypted data. This action leads to a permanent loss of the stored information. Devices using the LUKS formats other than LUKS1 are not affected by this issue.","status":"published","published":"2025-10-15T20:15:00Z","modified":"2026-10-17T12:57:25.250676266Z","cvss":[{"version":"3.1","score":4.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N","level":"medium"}],"updated_at":"2026-11-02T16:55:20.144818Z"},{"id":"ALSA-2025:23086","title":"Moderate: luksmeta security update","description":"LUKSMeta is a simple library for storing metadata in the LUKSv1 header. The luksmeta package is a dependency of the clevis and tang packages, together providing the Network Bound Disk Encryption (NBDE) in AlmaLinux.  \n\nSecurity Fix(es):  \n\n  * luksmeta: Data corruption when handling LUKS1 partitions with luksmeta (CVE-2025-11568)\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":"2025-12-11T00:00:00Z","modified":"2026-10-29T11:02:22.776586602Z","updated_at":"2026-11-02T15:27:53.448565Z"},{"id":"ALSA-2026:18421","title":"Moderate: luksmeta security update","description":"LUKSMeta is a simple library for storing metadata in the LUKSv1 header. The luksmeta package is a dependency of the clevis and tang packages, together providing the Network Bound Disk Encryption (NBDE) in AlmaLinux.  \n\nSecurity Fix(es):  \n\n  * luksmeta: Data corruption when handling LUKS1 partitions with luksmeta (CVE-2025-11568)\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\nAdditional Changes:  \n\nFor detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section.\n","status":"published","published":"2026-05-19T00:00:00Z","modified":"2026-10-29T11:30:17.273122722Z","updated_at":"2026-11-02T15:27:53.875139Z"},{"id":"ALSA-2026:18824","title":"Moderate: luksmeta security update","description":"LUKSMeta is a simple library for storing metadata in the LUKSv1 header. The luksmeta package is a dependency of the clevis and tang packages, together providing the Network Bound Disk Encryption (NBDE) in AlmaLinux.  \n\nSecurity Fix(es):  \n\n  * luksmeta: Data corruption when handling LUKS1 partitions with luksmeta (CVE-2025-11568)\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\nAdditional Changes:  \n\nFor detailed information on changes in this release, see the AlmaLinuxRelease Notes linked from the References section.\n","status":"published","published":"2026-05-19T00:00:00Z","modified":"2026-10-29T11:32:31.170130751Z","updated_at":"2026-11-02T15:27:53.875139Z"},{"id":"AZL-72866","title":"CVE-2025-11568 affecting package luksmeta 9-8","description":"A data corruption vulnerability has been identified in the luksmeta utility when used with the LUKS1 disk encryption format. An attacker with the necessary permissions can exploit this flaw by writing a large amount of metadata to an encrypted device. The utility fails to correctly validate the available space, causing the metadata to overwrite and corrupt the user's encrypted data. This action leads to a permanent loss of the stored information. Devices using the LUKS formats other than LUKS1 are not affected by this issue.","status":"published","published":"2025-10-15T20:15:34Z","modified":"2026-11-05T05:36:30Z","updated_at":"2026-11-05T16:41:24.309973Z"},{"id":"CLSA-2026-1779796898","title":"luksmeta: Fix of CVE-2025-11568","description":"- CVE-2025-11568: fix data corruption in luksmeta when writing metadata larger\n  than the gap between the LUKS1 header and encrypted data area; add upfront\n  size validation in find_gap() and a hard-limit boundary check inside\n  overlap() to prevent overrunning the gap and corrupting encrypted user data","status":"published","published":"2026-05-26T12:01:42Z","modified":"2026-10-26T09:31:06.242448926Z","updated_at":"2026-11-02T15:43:45.090939Z"},{"id":"CLSA-2026-1780411655","title":"luksmeta: Fix of CVE-2025-11568","description":"- CVE-2025-11568: fix data corruption in luksmeta when writing metadata larger\n  than the gap between the LUKS1 header and encrypted data area; add upfront\n  size validation in find_gap() and a hard-limit boundary check inside\n  overlap() to prevent overrunning the gap and corrupting encrypted user data","status":"published","published":"2026-06-02T14:47:55Z","modified":"2026-10-26T09:30:17.675416868Z","updated_at":"2026-11-02T15:43:45.445699Z"}]}}