CVE-2026-31462

Summary

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: prevent immediate PASID reuse case PASID resue could cause interrupt issue when process immediately runs into hw state left by previous process exited with the same PASID, it's possible that page faults are still pending in the IH ring buffer when the process exits and frees up its PASID. To prevent the case, it uses idr cyclic allocator same as kernel pid's. (cherry picked from commit 8f1de51f49be692de137c8525106e0fce2d1912d)

Impact & exploitability

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Affected products we track (1)

Recommendation

Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.

Official patch: https://git.kernel.org/stable/c/14b81abe7bdc25f8097906fc2f91276ffedb2d26 ↗

Additional information

• NVD record
• https://git.kernel.org/stable/c/14b81abe7bdc25f8097906fc2f91276ffedb2d26Patch
• https://git.kernel.org/stable/c/51ccaf0e30c303149244c34820def83d74c86288Patch
• https://git.kernel.org/stable/c/9e5ebfe99b223bb0eb9c50a125c9c02f4ef4c71bPatch
• https://git.kernel.org/stable/c/c0b3882836de8ac991b626823966f385555bbcffPatch
• https://git.kernel.org/stable/c/185a5e779c259869b8d5c20bd90e7a780c56576b
• https://git.kernel.org/stable/c/f69491478e3de0e3c6aac2ee89b3cda3f2471301