CVE-2026-63854drm/amdgpu/vcn: set no_user_fence for VCN v3.0 enc/dec rings
Updated under an hour ago ()
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No exploitation reported and no EPSS estimate yet.
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In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/vcn: set no_user_fence for VCN v3.0 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 663bed3c7b8b9a7624b0d95d300ddae034ad0614)
- CVSS
- 7.8 HIGH (v3.1, CNA)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Weakness (CWE)
- Not given
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Linux
- NVD analysis
- Awaiting Analysis
- Record last updated
- Oct 16, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Linux Linux linux:linux (from the name) | from cf14826cdfb5c9fe10f98210d040b9d7486c381d before e74fc9c72c1ba78d0de0b849f5929c3b39a8e20c; from cf14826cdfb5c9fe10f98210d040b9d7486c381d before 26c4f38529ac78930c9c4713e16ebc5b689bb0a3; from cf14826cdfb5c9fe10f98210d040b9d7486c381d before 2d6525e7b2504f5bbfe9417cddc1e8da858791dd; from cf14826cdfb5c9fe10f98210d040b9d7486c381d before b076e45e6f757a2829e80d0144c1b5f201bee5af; from cf14826cdfb5c9fe10f98210d040b9d7486c381d before f1e5a6660d7cbf006079126d9babbf0ccf538c6b | CNA record |
References
- https://git.kernel.org/stable/c/e74fc9c72c1ba78d0de0b849f5929c3b39a8e20c
- https://git.kernel.org/stable/c/26c4f38529ac78930c9c4713e16ebc5b689bb0a3
- https://git.kernel.org/stable/c/2d6525e7b2504f5bbfe9417cddc1e8da858791dd
- https://git.kernel.org/stable/c/b076e45e6f757a2829e80d0144c1b5f201bee5af
- https://git.kernel.org/stable/c/f1e5a6660d7cbf006079126d9babbf0ccf538c6b
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.