CVE-2026-63852
drm/amdgpu/vcn: set no_user_fence for VCN v4.0.3 enc ring
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th
In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/vcn: set no_user_fence for VCN v4.0.3 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 ff1a5a125c5a70c328806b9bc01d7d942cf3f9aa)
| Vendor | linux |
| Product | linux |
| Ecosystems | |
| Industries | Technology |
| Published | Jul 19, 2026 |
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Affected Versions
Linux / Linux
b889ef4ac98837838c38f7b9f72bba2f33ee367d < c12a5d35033c0640c57c10d7111c010c7b9c2c8e b889ef4ac98837838c38f7b9f72bba2f33ee367d < 387b7c7667bd5c53549350ddad866d2fcf75a529 b889ef4ac98837838c38f7b9f72bba2f33ee367d < 9076a83e5adefd10dc5c967c7b8bde601c4c512a b889ef4ac98837838c38f7b9f72bba2f33ee367d < 0177ac6141c8857130cf365369c74dee7b6b1f7f b889ef4ac98837838c38f7b9f72bba2f33ee367d < 4532b52b34e4e4310386e6fdf6a643368599f522
Linux / Linux
6.5
References
git.kernel.org: https://git.kernel.org/stable/c/c12a5d35033c0640c57c10d7111c010c7b9c2c8e git.kernel.org: https://git.kernel.org/stable/c/387b7c7667bd5c53549350ddad866d2fcf75a529 git.kernel.org: https://git.kernel.org/stable/c/9076a83e5adefd10dc5c967c7b8bde601c4c512a git.kernel.org: https://git.kernel.org/stable/c/0177ac6141c8857130cf365369c74dee7b6b1f7f git.kernel.org: https://git.kernel.org/stable/c/4532b52b34e4e4310386e6fdf6a643368599f522