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CVE-2026-63849

7.8 high SSVC exploitation: none Analyzed
NVD · CVE.org

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/vcn: set no_user_fence for VCN v5.0.1 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 e16be95a2c3ee712b142cb27d2dca0b461181359)

Fix

Patch, vendor advisory and mitigation references on NVD 3

Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.

Change history 5

  1. Cpes+2 CPE criteria (now 2)NVD modified 2026-10-22 19:18
  2. StatusPublished → AnalyzedNVD modified 2026-10-22 19:18
  3. StatusAwaiting Analysis → PublishedNVD modified 2026-10-19 20:07
  4. CwesCWE-20NVD modified 2026-10-19 20:19
  5. First seenCVSS 7.8NVD modified 2026-10-16 16:18

Affected (CPE criteria) 2

  • cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:7.1:rc1:*:*:*:*:*:*

References 3