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CVE PROGRAM SOURCE RECORD7.8 High

CVE-2026-63850

drm/amdgpu/vcn: set no_user_fence for VCN v5.0.0 enc ring

Description

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 products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Linux Linux

Default version status: unaffected

  • b6d1a06320519ac3bfda6ce81067a1bc409b9cff to < 9f5a1459ecc3195282be617639d710b54779c9dcaffected
  • b6d1a06320519ac3bfda6ce81067a1bc409b9cff to < 139a8a52ef4349c62129703b3a3e3a6ae4d634ebaffected
  • b6d1a06320519ac3bfda6ce81067a1bc409b9cff to < 2c350f3cd94be847ac216e1358ec7001eaaf0934affected
  • b6d1a06320519ac3bfda6ce81067a1bc409b9cff to < 8cae0ce77de492d7c31c1532a2e80c0c6e7e58cbaffected

Linux Linux

Default version status: affected

  • 6.9affected
  • 0 to < 6.9unaffected
  • 6.12.91 to ≤ 6.12.*unaffected
  • 6.18.33 to ≤ 6.18.*unaffected
  • 7.0.10 to ≤ 7.0.*unaffected
  • 7.1 to ≤ *unaffected

References