CVE-2025-68784
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.
Affected versions
Linux kernel versions
6.10
and later are affected. Fixed in
6.12.64,
6.18.3,
6.19
and their respective stable series.
References
The following references provide additional information about CVE-2025-68784 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.
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PatchKernel patch commithttps://git.kernel.org/stable/c/1e2d3aa19c7962b9474b22893160cb460494c45f
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PatchKernel patch commithttps://git.kernel.org/stable/c/5990fd756943836978ad184aac980e2b36ab7e01
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PatchKernel patch commithttps://git.kernel.org/stable/c/d29ed9ff972afe17c215cab171761d7a15d7063f
Frequently asked questions
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What is CVE-2025-68784?
CVE-2025-68784 is a unscored severity Linux kernel vulnerability . It affects Linux kernel versions from 6.10 onward and has been patched in 6.12.64, 6.18.3 and 6.19. CVE-2025-68784 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
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Is there a patch available for CVE-2025-68784?
Yes — CVE-2025-68784 has been patched. Fixed versions include 6.12.64, 6.18.3 and 6.19. If you are running Linux kernel 6.10 or later up to the fix versions, apply the relevant patch for your kernel branch.
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Is CVE-2025-68784 actively exploited?
No — CVE-2025-68784 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.