CVE-2025-22100: drm/panthor: Fix race condition when gathering fdinfo group samples

Severity: medium (CVSS 4.7 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.1% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2025-04-16 · updated 2026-07-30
Weakness: CWE-362

Description

In the Linux kernel, the following vulnerability has been resolved: drm/panthor: Fix race condition when gathering fdinfo group samples Commit e16635d88fa0 ("drm/panthor: add DRM fdinfo support") failed to protect access to groups with an xarray lock, which could lead to use-after-free errors.

Affected products

Linux kernel: from 6.13 before 6.13.11; from 6.14 before 6.14.2 — fixed in 6.13.11, 6.14.2

How to fix

Upgrade to a fixed version: Linux kernel 6.13.11, 6.14.2. Check the vendor advisory for mitigations.

References

https://git.kernel.org/stable/c/0590c94c3596d6c1a3d549ae611366f2ad4e1d8d
https://git.kernel.org/stable/c/6d98c83ad67e7bd86a47494fd6c3863e7bb26db9
https://git.kernel.org/stable/c/e9d45f42a64a400adba59ee83d03e6db662530b4

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