CVE-2026-43398

Published: Mag 08, 2026 Last Modified: Mag 08, 2026

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AI Translation Available

In the Linux kernel, the following vulnerability has been resolved:

drm/amdgpu: add upper bound check on user inputs in wait ioctl

Huge input values in amdgpu_userq_wait_ioctl can lead to a OOM and
could be exploited.

So check these input value against AMDGPU_USERQ_MAX_HANDLES
which is big enough value for genuine use cases and could
potentially avoid OOM.

v2: squash in Srini's fix

(cherry picked from commit fcec012c664247531aed3e662f4280ff804d1476)

https://git.kernel.org/stable/c/3cd93bc695b3456f26f5ed52753d9071da26202a

https://git.kernel.org/stable/c/64ac7c09fc44985ec9bb6a9db740899fa40ca613

https://git.kernel.org/stable/c/b1d10508da559da2e0ca9cca6505094a7df948e1