CVE-2026-43400

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 signal ioctl

Huge input values in amdgpu_userq_signal_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.

(cherry picked from commit be267e15f99bc97cbe202cd556717797cdcf79a5)

https://git.kernel.org/stable/c/46630d966b99b0fc6cb01fef4110587f3375a0c0

https://git.kernel.org/stable/c/6fff5204d8aa26b1be50b6427f833bd3e8899c4f

https://git.kernel.org/stable/c/ea78f8c68f4f6211c557df49174c54d167821962