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CVE PROGRAM SOURCE RECORD7.8 High

CVE-2026-63854

drm/amdgpu/vcn: set no_user_fence for VCN v3.0 enc/dec rings

Description

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)

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

  • cf14826cdfb5c9fe10f98210d040b9d7486c381d to < e3d339b0d9051d49eb9c78459091bba4fb525100affected
  • cf14826cdfb5c9fe10f98210d040b9d7486c381d to < e74fc9c72c1ba78d0de0b849f5929c3b39a8e20caffected
  • cf14826cdfb5c9fe10f98210d040b9d7486c381d to < 26c4f38529ac78930c9c4713e16ebc5b689bb0a3affected
  • cf14826cdfb5c9fe10f98210d040b9d7486c381d to < 2d6525e7b2504f5bbfe9417cddc1e8da858791ddaffected
  • cf14826cdfb5c9fe10f98210d040b9d7486c381d to < b076e45e6f757a2829e80d0144c1b5f201bee5afaffected
  • cf14826cdfb5c9fe10f98210d040b9d7486c381d to < f1e5a6660d7cbf006079126d9babbf0ccf538c6baffected

Linux Linux

Default version status: affected

  • 5.9affected
  • 0 to < 5.9unaffected
  • 6.1.191 to ≤ 6.1.*unaffected
  • 6.6.141 to ≤ 6.6.*unaffected
  • 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