CVE-2026-63847 drm/amdgpu/jpeg: set no_user_fence for JPEG v2.5 ring

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/jpeg: set nouserfence for JPEG v2.5 ring JPEG rings do not support 64-bit user fence writes, reject CS submissions with user fences. cherry picked from commit 3216a7f4e2642bda5fd14f57586e835ae9202587...

CVE-2026-63840

The CVE-2026-63840 issue affects the Linux kernel’s DRM AMDGPU JPEG ring. It concerns the JPEG v5.3.0 ring failing to support 64-bit user fence writes, rejecting CS submissions with user fences. The vulnerability is resolved by a patch that sets no_user_fence for the JPEG ring (cherry-picked from...