CVE-2026-63851 (GCVE-0-2026-63851)
Vulnerability from cvelistv5 – Published: 2026-07-19 14:04 – Updated: 2026-10-19 20:07
VLAI
EPSS
VEX
Title
drm/amdgpu/vcn: set no_user_fence for VCN v4.0.5 enc ring
Summary
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)
Severity
7.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-16 15:32 UTC
CWE
- CWE-20 - Improper Input Validation
Assigner
References
Impacted products
2 products
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| Linux | Linux |
Affected:
547aad32edac17a3ec4989d8aad2426d0cbeb590 , < 75091030f07b7957cc0646cd52e2d9d15f611483
(git)
Affected: 547aad32edac17a3ec4989d8aad2426d0cbeb590 , < 6d9a98c5ed65ba92a09e4ca5a5f6941448145529 (git) Affected: 547aad32edac17a3ec4989d8aad2426d0cbeb590 , < 7f23b5c420b9f68a210c29c5123bace670aa8cc9 (git) Affected: 547aad32edac17a3ec4989d8aad2426d0cbeb590 , < 589a254bf3e88204c8402b9cbccd5e23a0af990f (git) |
guessed | |
| Linux | Linux |
Affected:
6.7
Unaffected: 0 , < 6.7 (semver) Unaffected: 6.12.91 , ≤ 6.12.* (semver) Unaffected: 6.18.33 , ≤ 6.18.* (semver) Unaffected: 7.0.10 , ≤ 7.0.* (semver) Unaffected: 7.1 , ≤ * (original_commit_for_fix) |
guessed |
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"source": "Red Hat CSAF VEX",
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"title": "kernel: drm/amdgpu/vcn: set no_user_fence for VCN v4.0.5 enc ring",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-63851.json",
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| Author | Source | Type | Date | Other |
|---|
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