CVE-2025-68784

high

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.

References

https://git.kernel.org/stable/c/d29ed9ff972afe17c215cab171761d7a15d7063f

https://git.kernel.org/stable/c/5990fd756943836978ad184aac980e2b36ab7e01

https://git.kernel.org/stable/c/1e2d3aa19c7962b9474b22893160cb460494c45f

Details

Source: Mitre, NVD

Published: 2026-01-13

Updated: 2026-01-14

Risk Information

CVSS v2

Base Score: 4.9

Vector: CVSS2#AV:L/AC:L/Au:N/C:N/I:N/A:C

Severity: Medium

CVSS v3

Base Score: 7.1

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H

Severity: High

EPSS

EPSS: 0.00017