drm/amdgpu/vcn: set no_user_fence for VCN v4.0.5 enc ring
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)
CVE-2026-63851
Primary source · Revision 1
Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.
Security context
Source reference: cve:CVE-2026-63851
Linux
Source reference: /containers/cna/affected/0/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Linux
Source reference: /containers/cna/affected/1/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Structured affected-version data
Original package identities and version rules from this source.
[
{
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"product": "Linux",
"versions": [
{
"status": "affected",
"version": "547aad32edac17a3ec4989d8aad2426d0cbeb590",
"lessThan": "75091030f07b7957cc0646cd52e2d9d15f611483",
"versionType": "git"
},
{
"status": "affected",
"version": "547aad32edac17a3ec4989d8aad2426d0cbeb590",
"lessThan": "6d9a98c5ed65ba92a09e4ca5a5f6941448145529",
"versionType": "git"
},
{
"status": "affected",
"version": "547aad32edac17a3ec4989d8aad2426d0cbeb590",
"lessThan": "7f23b5c420b9f68a210c29c5123bace670aa8cc9",
"versionType": "git"
},
{
"status": "affected",
"version": "547aad32edac17a3ec4989d8aad2426d0cbeb590",
"lessThan": "589a254bf3e88204c8402b9cbccd5e23a0af990f",
"versionType": "git"
}
],
"programFiles": [
"drivers/gpu/drm/amd/amdgpu/vcn_v4_0_5.c"
],
"defaultStatus": "unaffected"
},
{
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"product": "Linux",
"versions": [
{
"status": "affected",
"version": "6.7"
},
{
"status": "unaffected",
"version": "0",
"lessThan": "6.7",
"versionType": "semver"
},
{
"status": "unaffected",
"version": "6.12.91",
"versionType": "semver",
"lessThanOrEqual": "6.12.*"
},
{
"status": "unaffected",
"version": "6.18.33",
"versionType": "semver",
"lessThanOrEqual": "6.18.*"
},
{
"status": "unaffected",
"version": "7.0.10",
"versionType": "semver",
"lessThanOrEqual": "7.0.*"
},
{
"status": "unaffected",
"version": "7.1",
"versionType": "original_commit_for_fix",
"lessThanOrEqual": "*"
}
],
"programFiles": [
"drivers/gpu/drm/amd/amdgpu/vcn_v4_0_5.c"
],
"defaultStatus": "affected"
}
]- Related CVEs
- CVE-2026-63851
Source reference:
/cveMetadata/cveId
Publisher severity
high
Source reference: /containers/cna/metrics
- Event
- #40856 · Revision 1
- Added to Heist Feed
- Publisher date