CVE-2026-63846

A flaw was found in the Linux kernel's drm/amdgpu/jpeg component, specifically within the JPEG v3.0 ring. This component does not support 64-bit user fence writes. Consequently, any command submissions CS that attempt to use 64-bit user fences will be rejected, leading to a functional limitation ...

CVE-2026-63846 drm/amdgpu/jpeg: set no_user_fence for JPEG v3.0 ring

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/jpeg: set nouserfence for JPEG v3.0 ring JPEG rings do not support 64-bit user fence writes, reject CS submissions with user fences. cherry picked from commit 4d7d774f100efb5089c86a1fb8c5bf47c63fc9ef...

PT-2026-61163

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the drm/amdgpu/jpeg component where JPEG v3.0 rings do not support 64-bit user fence writes. This leads to a failure to reject Command Stream CS submissions that inclu...