Description
In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/vcn: set no_user_fence for VCN v2.0 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 e2b5499fca55f1a32960a311bbb62e35891eaf73)
Affected products
linux: linux kernel
References6
- git.kernel.org/stable/c/5e777bc4cbe928ac0fd95e368fee1540f2ce4db2 Patch
- git.kernel.org/stable/c/8d80b293b41fcb5e9396db93e788b0f4ebcbafb7 Patch
- git.kernel.org/stable/c/ac06ce5cac9e711281585d09d00c6efcd9b86396 Patch
- git.kernel.org/stable/c/c71aecae98e42dcf2baf462df50b3a2cf1a93fe4 Patch
- git.kernel.org/stable/c/f264019be80de79f84f464846451445923bffea0 Patch
- git.kernel.org/stable/c/bcb972496f189edbf56a18b14f9b4831fd127ab8
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.