CVE-2023-54261: drm/amdkfd: Add missing gfx11 MQD manager callbacks

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: 2025-12-30 · updated 2026-06-17

Description

In the Linux kernel, the following vulnerability has been resolved: drm/amdkfd: Add missing gfx11 MQD manager callbacks mqd_stride function was introduced in commit 2f77b9a242a2 ("drm/amdkfd: Update MQD management on multi XCC setup") but not assigned for gfx11. Fixes a NULL dereference in debugfs.

Affected products

Linux kernel: 6.5 — fixed in 6.6

How to fix

Upgrade to a fixed version: Linux kernel 6.6. Check the vendor advisory for mitigations.

References

https://git.kernel.org/stable/c/399b73d6b7720a9eae68a333193b53ed4f432fe5
https://git.kernel.org/stable/c/e9dca969b2426702a73719ab9207e43c6d80b581

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