What’s Vulnerable › Vulnerabilities

CVE-2025-68784: xfs: fix a UAF problem in xattr repair

• Severity: unknown
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-01-13 · updated 2026-06-17

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.

Affected products

• Linux kernel: 6.10 — fixed in 6.19

How to fix

Upgrade to a fixed version: Linux kernel 6.19. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/1e2d3aa19c7962b9474b22893160cb460494c45f
• https://git.kernel.org/stable/c/5990fd756943836978ad184aac980e2b36ab7e01
• https://git.kernel.org/stable/c/d29ed9ff972afe17c215cab171761d7a15d7063f

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