CVE-2026-63856
drm/amdgpu/vcn: set no_user_fence for VCN v2.0 enc/dec rings
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 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)
| Vendor | linux |
| Product | linux |
| Ecosystems | |
| Industries | Technology |
| Published | Jul 19, 2026 |
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Affected Versions
Linux / Linux
1b61de45dfaff00b627e47349a019658e39268b9 < f264019be80de79f84f464846451445923bffea0 1b61de45dfaff00b627e47349a019658e39268b9 < 5e777bc4cbe928ac0fd95e368fee1540f2ce4db2 1b61de45dfaff00b627e47349a019658e39268b9 < ac06ce5cac9e711281585d09d00c6efcd9b86396 1b61de45dfaff00b627e47349a019658e39268b9 < c71aecae98e42dcf2baf462df50b3a2cf1a93fe4 1b61de45dfaff00b627e47349a019658e39268b9 < 8d80b293b41fcb5e9396db93e788b0f4ebcbafb7
Linux / Linux
5.3
References
git.kernel.org: https://git.kernel.org/stable/c/f264019be80de79f84f464846451445923bffea0 git.kernel.org: https://git.kernel.org/stable/c/5e777bc4cbe928ac0fd95e368fee1540f2ce4db2 git.kernel.org: https://git.kernel.org/stable/c/ac06ce5cac9e711281585d09d00c6efcd9b86396 git.kernel.org: https://git.kernel.org/stable/c/c71aecae98e42dcf2baf462df50b3a2cf1a93fe4 git.kernel.org: https://git.kernel.org/stable/c/8d80b293b41fcb5e9396db93e788b0f4ebcbafb7