CVE-2026-63853

EUVD-2026-45537
In the Linux kernel, the following vulnerability has been resolved:

drm/amdgpu/vcn: set no_user_fence for VCN v4.0 enc ring

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

(cherry picked from commit fd852c048b46f9825e904a4f3f4538fe9d8827d9)
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
UNKNOWN
---
Awaiting analysis
This vulnerability is currently awaiting analysis.
Base Score
CVSS 3.x
EPSS Score
Percentile: Unknown
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Debian Releases
Debian Product
Codename
linux
bookworm
vulnerable
bookworm (security)
vulnerable
bullseye
5.10.223-1
fixed
bullseye (security)
5.10.259-1
fixed
forky
7.1.3-1
fixed
sid
7.1.4-1
fixed
trixie
vulnerable
trixie (security)
vulnerable
References
https://git.kernel.org/stable/c/1286b6872de0aee1feeeaa6dbac86369806de9a5
https://git.kernel.org/stable/c/51f694221047c84fa185be98210eb2c354ffb8c6
https://git.kernel.org/stable/c/6bdd2ed6458d35c368fbe9550a4d7f342abd3a92