In the Linux kernel, the following vulnerability has been resolved:

xfs: fix a UAF problem in xattr repair

The xchk_setup_xattr_buf function can allocate a new value buffer, which
means that any reference to ab->value before the call could become a
dangling pointer. Fix this by moving an assignment to after the buffer
setup.

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Advisories
Source ID Title
Debian DSA Debian DSA DSA-6126-1 linux security update
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Thu, 15 Jan 2026 12:15:00 +0000

Type Values Removed Values Added
References
Metrics threat_severity

None

cvssV3_1

{'score': 5.5, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H'}

threat_severity

Moderate


Tue, 13 Jan 2026 15:45:00 +0000

Type Values Removed Values Added
Description In the Linux kernel, the following vulnerability has been resolved: xfs: fix a UAF problem in xattr repair The xchk_setup_xattr_buf function can allocate a new value buffer, which means that any reference to ab->value before the call could become a dangling pointer. Fix this by moving an assignment to after the buffer setup.
Title xfs: fix a UAF problem in xattr repair
First Time appeared Linux
Linux linux Kernel
CPEs cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Vendors & Products Linux
Linux linux Kernel
References

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: Linux

Published:

Updated: 2026-02-09T08:33:30.771Z

Reserved: 2025-12-24T10:30:51.036Z

Link: CVE-2025-68784

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-01-13T16:15:58.117

Modified: 2026-01-14T16:26:00.933

Link: CVE-2025-68784

cve-icon Redhat

Severity : Moderate

Publid Date: 2026-01-13T00:00:00Z

Links: CVE-2025-68784 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses

No weakness.