Riskcovery

CVE-2026-63849

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

State
Published
Severity
7.8 High
Published
Jul 19, 2026
Updated
Oct 19, 2026
Reserved
Jul 19, 2026

Read the record on cve.org

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)

Scores

CVSSScoreVectorSource
3.17.8 HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HLinux

Weaknesses

  • CWE-20 Improper Input Validation

Affected Products

ProductVersions
LinuxLinux
  • 346492f30ce3581bf5324c4ae417eab8537dc998 to before 081ef0e46c9cdd26c0db0ef721470393d36b6655Affected
  • 346492f30ce3581bf5324c4ae417eab8537dc998 to before 5a4bffd67e94944ed3db26a959346cfb7fabaecdAffected
  • 346492f30ce3581bf5324c4ae417eab8537dc998 to before 8f4954722eab88e10c4ea0c0d3b1269c31421d3aAffected
LinuxLinux
  • 6.14Affected
  • before 6.14Not affected
  • 6.18.33 through 6.18.*Not affected
  • 7.0.10 through 7.0.*Not affected
  • 7.1 and laterNot affected

References

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