CVE-2026-63854

EUVD-2026-45538
In the Linux kernel, the following vulnerability has been resolved:

drm/amdgpu/vcn: set no_user_fence for VCN v3.0 enc/dec rings

VCN encoder and decoder rings do not support 64-bit user fence writes,
reject CS submissions with user fences.

(cherry picked from commit 663bed3c7b8b9a7624b0d95d300ddae034ad0614)
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
UNKNOWN
---
Awaiting analysis
This vulnerability is currently awaiting analysis.
Base Score
CVSS 3.x
EPSS Score
Percentile: Unknown
Debian logo
Debian Releases
Debian Product
Codename
linux
bookworm
vulnerable
bookworm (security)
vulnerable
bullseye
vulnerable
bullseye (security)
vulnerable
forky
7.1.3-1
fixed
sid
7.1.4-1
fixed
trixie
6.12.94-1
fixed
trixie (security)
6.12.95-1
fixed
References
https://git.kernel.org/stable/c/26c4f38529ac78930c9c4713e16ebc5b689bb0a3
https://git.kernel.org/stable/c/2d6525e7b2504f5bbfe9417cddc1e8da858791dd
https://git.kernel.org/stable/c/b076e45e6f757a2829e80d0144c1b5f201bee5af
https://git.kernel.org/stable/c/e74fc9c72c1ba78d0de0b849f5929c3b39a8e20c
https://git.kernel.org/stable/c/f1e5a6660d7cbf006079126d9babbf0ccf538c6b