CVE-2025-71302: drm/panthor: fix for dma-fence safe access rules

Severity: medium (CVSS 5.5 v3.1)
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: 2026-05-08 · updated 2026-10-14

Description

In the Linux kernel, the following vulnerability has been resolved: drm/panthor: fix for dma-fence safe access rules Commit 506aa8b02a8d6 ("dma-fence: Add safe access helpers and document the rules") details the dma-fence safe access rules. The most common culprit is that drm_sched_fence_get_timeline_name may race with group_free_queue.

Affected products

Linux kernel: from 6.10 before 6.18.16; from 6.19 before 6.19.6 — fixed in 6.18.16, 6.19.6

How to fix

Upgrade to a fixed version: Linux kernel 6.18.16, 6.19.6. Check the vendor advisory for mitigations.

References

https://git.kernel.org/stable/c/ab8c0de60f16d7e0b162ccbbb35fcf1f277c97c2
https://git.kernel.org/stable/c/eae60933abd11df013876f647c9edbd35ce67615
https://git.kernel.org/stable/c/efe24898485c5c831e629d9c6fb9350c35cb576f

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