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CVE PROGRAM SOURCE RECORD7.8 High

CVE-2026-63851

drm/amdgpu/vcn: set no_user_fence for VCN v4.0.5 enc ring

Description

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/vcn: set no_user_fence for VCN v4.0.5 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 084d94ac93707bdda07efb5cee786f632de4219b)

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

  • 547aad32edac17a3ec4989d8aad2426d0cbeb590 to < 75091030f07b7957cc0646cd52e2d9d15f611483affected
  • 547aad32edac17a3ec4989d8aad2426d0cbeb590 to < 6d9a98c5ed65ba92a09e4ca5a5f6941448145529affected
  • 547aad32edac17a3ec4989d8aad2426d0cbeb590 to < 7f23b5c420b9f68a210c29c5123bace670aa8cc9affected
  • 547aad32edac17a3ec4989d8aad2426d0cbeb590 to < 589a254bf3e88204c8402b9cbccd5e23a0af990faffected

Linux Linux

Default version status: affected

  • 6.7affected
  • 0 to < 6.7unaffected
  • 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