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CVE PROGRAM SOURCE RECORD7.8 High

CVE-2026-63849

drm/amdgpu/vcn: set no_user_fence for VCN v5.0.1 enc ring

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Status
Published
Published
Updated
Assigning organization
Linux

Description

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)

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

  • 346492f30ce3581bf5324c4ae417eab8537dc998 to < 081ef0e46c9cdd26c0db0ef721470393d36b6655affected
  • 346492f30ce3581bf5324c4ae417eab8537dc998 to < 5a4bffd67e94944ed3db26a959346cfb7fabaecdaffected
  • 346492f30ce3581bf5324c4ae417eab8537dc998 to < 8f4954722eab88e10c4ea0c0d3b1269c31421d3aaffected

Linux Linux

Default version status: affected

  • 6.14affected
  • 0 to < 6.14unaffected
  • 6.18.33 to ≤ 6.18.*unaffected
  • 7.0.10 to ≤ 7.0.*unaffected
  • 7.1 to ≤ *unaffected

References