CVE-2025-68784 Details
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.
A use-after-free vulnerability has been addressed in the Linux kernel's XFS file system, specifically within the extended attribute repair process. The issue arose because the function responsible for setting up the value buffer could allocate a new buffer, leaving any prior references as dangling pointers. This vulnerability affects the Linux kernel stable group.
Users can upgrade to the latest version of the Linux kernel where this vulnerability has been patched.
Metrics
CVSS 4.0 Severity and Vector Strings:
VolerionCVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
Volerion
Assessed Jan 13, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://git.kernel.org/stable/c/1e2d3aa19c7962b9474b22893160cb460494c45f | kernel.org | Source CodeVendor |
| https://git.kernel.org/stable/c/5990fd756943836978ad184aac980e2b36ab7e01 | kernel.org | Source CodeVendor |
| https://git.kernel.org/stable/c/d29ed9ff972afe17c215cab171761d7a15d7063f | kernel.org | Source CodeVendor |
Weakness Enumeration
No weakness enumeration is available for this CVE.
Affected Products
| Product | Versions |
|---|---|
| Linux kernel | All versions |
CPE
Remediation
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| Linux kernel | All versions |
CPE
Remediation
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Change History
2 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | kernel.org |
| Jan 13, 2026 | New CVE Received | kernel.org |