CVE-2026-63850
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 v5.0.0 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 49b1fbbb5a071197ee71e2d70959b1cb29bdc317)
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Linux | Linux | b6d1a06320519ac3bfda6ce81067a1bc409b9cff < 9f5a1459ecc3195282be617639d710b54779c9dc | affected |
| Linux | Linux | b6d1a06320519ac3bfda6ce81067a1bc409b9cff < 139a8a52ef4349c62129703b3a3e3a6ae4d634eb | affected |
| Linux | Linux | b6d1a06320519ac3bfda6ce81067a1bc409b9cff < 2c350f3cd94be847ac216e1358ec7001eaaf0934 | affected |
| Linux | Linux | b6d1a06320519ac3bfda6ce81067a1bc409b9cff < 8cae0ce77de492d7c31c1532a2e80c0c6e7e58cb | affected |
| Linux | Linux | 6.9 | affected |
| Linux | Linux | 0 < 6.9 | unaffected |
| Linux | Linux | 6.12.91 <= 6.12.* | 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/9f5a1459ecc3195282be617639d710b54779c9dc
- https://git.kernel.org/stable/c/139a8a52ef4349c62129703b3a3e3a6ae4d634eb
- https://git.kernel.org/stable/c/2c350f3cd94be847ac216e1358ec7001eaaf0934
- https://git.kernel.org/stable/c/8cae0ce77de492d7c31c1532a2e80c0c6e7e58cb
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