Description
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)
Affected products
linux: linux kernel
References6
- git.kernel.org/stable/c/1286b6872de0aee1feeeaa6dbac86369806de9a5 Patch
- git.kernel.org/stable/c/51f694221047c84fa185be98210eb2c354ffb8c6 Patch
- git.kernel.org/stable/c/525cc9df654365c147ae61e5562cf599ea2257f7 Patch
- git.kernel.org/stable/c/6bdd2ed6458d35c368fbe9550a4d7f342abd3a92 Patch
- git.kernel.org/stable/c/d8df8918677136b018d71d0b94a1f6b816715946 Patch
- git.kernel.org/stable/c/772f83fc70b797ac88d696671780eaf175cc7f31
Metrics
- CVSS 3.1
-
7.8
HIGH
Score source: CNA
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - EPSS — exploit probability
- 0% percentile: 7 · as of 14 November 2026
- CWE
- CWE-20
Could this be exploited in your environment?
A patch closes the known hole. A penetration test shows what an attacker can still reach — with proof.