Luksmeta: data corruption when handling luks1 partitions with luksmeta

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Summary

CVECVE-2025-11568
StatePUBLISHED
Assignerredhat
Source PriorityCVE Program / NVD first with legacy fallback
Published2025-10-15 20:15:34 UTC
Updated2026-05-19 16:16:17 UTC
DescriptionA 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.

Risk And Classification

Primary CVSS: v3.1 4.4 MEDIUM from [email protected]

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N

EPSS: 0.000260000 probability, percentile 0.075550000 (date 2026-05-26)

Problem Types: CWE-1284 | CWE-1284 Improper Validation of Specified Quantity in Input

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary4.4MEDIUMCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N
3.1CNACVSS4.4MEDIUMCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N

CVSS v3.1 Breakdown

Attack Vector
Local
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
High
Availability
None

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Latchset Luksmeta affected 10 semver Not specified
CNA Red Hat Red Hat Enterprise Linux 10 unaffected 0:10-1.el10 * rpm Not specified
CNA Red Hat Red Hat Enterprise Linux 8 unaffected 0:9-4.el8_10.1 * rpm Not specified
CNA Red Hat Red Hat Enterprise Linux 9 unaffected 0:10-1.el9 * rpm Not specified
CNA Red Hat Red Hat Enterprise Linux 7 Not specified Not specified
CNA Red Hat Red Hat OpenShift Container Platform 4 Not specified Not specified

References

ReferenceSourceLinkTags
access.redhat.com/security/cve/CVE-2025-11568 [email protected] access.redhat.com
access.redhat.com/errata/RHSA-2026:18421 [email protected] access.redhat.com
access.redhat.com/errata/RHSA-2026:18824 [email protected] access.redhat.com
github.com/latchset/luksmeta/pull/16 [email protected] github.com
bugzilla.redhat.com/show_bug.cgi [email protected] bugzilla.redhat.com
access.redhat.com/errata/RHSA-2025:23086 [email protected] access.redhat.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Additional Advisory Data

SourceTimeEvent
CNA2025-10-14T16:20:13.358ZReported to Red Hat.
CNA2025-10-14T00:00:00.000ZMade public.

Workarounds

CNA: There's no available mitigation for this vulnerability.

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