CVE-2026-63853
7.8
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Summary
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 Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Linux | Linux | 8da1170a16e4d4b49fa07d1f75ad480847ff7eca < 1286b6872de0aee1feeeaa6dbac86369806de9a5 | affected |
| Linux | Linux | 8da1170a16e4d4b49fa07d1f75ad480847ff7eca < 6bdd2ed6458d35c368fbe9550a4d7f342abd3a92 | affected |
| Linux | Linux | 8da1170a16e4d4b49fa07d1f75ad480847ff7eca < 51f694221047c84fa185be98210eb2c354ffb8c6 | affected |
| Linux | Linux | 5.19 | affected |
| Linux | Linux | 0 < 5.19 | unaffected |
| Linux | Linux | 6.18.33 <= 6.18.* | unaffected |
| Linux | Linux | 7.0.10 <= 7.0.* | unaffected |
| Linux | Linux | 7.1 <= * | unaffected |
Weaknesses
References
- https://git.kernel.org/stable/c/1286b6872de0aee1feeeaa6dbac86369806de9a5
- https://git.kernel.org/stable/c/6bdd2ed6458d35c368fbe9550a4d7f342abd3a92
- https://git.kernel.org/stable/c/51f694221047c84fa185be98210eb2c354ffb8c6
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