CVE-2026-46311

Description

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/userq: fix access to stale wptr mapping Use drm_exec to take both locks i.e vm root bo and wptr_obj bo to access the mapping data properly. This fixes the security issue of unmap the wptr_obj while a queue creation is in progress and passing other bo at same address. (cherry picked from commit 1fc6c8ab45dbee096469c08c13f6099d57a52d6c)

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

References

• https://git.kernel.org/stable/c/2da62dbb4169e758c0b1a9378b39a373bf4fb111 ↗
• https://git.kernel.org/stable/c/336a9186f3a4b65bbd865d93936605ac8a1a3991 ↗
• https://git.kernel.org/stable/c/6da7b1242da4455b11c24ce667d1cab1a348c8ea ↗