drm/amdgpu/vcn: set no_user_fence for VCN v5.0.0 enc ring
In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/vcn: set no_user_fence for VCN v5.0.0 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 49b1fbbb5a071197ee71e2d70959b1cb29bdc317)
CVE-2026-63850
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-2026-63850
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": "b6d1a06320519ac3bfda6ce81067a1bc409b9cff",
"lessThan": "9f5a1459ecc3195282be617639d710b54779c9dc",
"versionType": "git"
},
{
"status": "affected",
"version": "b6d1a06320519ac3bfda6ce81067a1bc409b9cff",
"lessThan": "139a8a52ef4349c62129703b3a3e3a6ae4d634eb",
"versionType": "git"
},
{
"status": "affected",
"version": "b6d1a06320519ac3bfda6ce81067a1bc409b9cff",
"lessThan": "2c350f3cd94be847ac216e1358ec7001eaaf0934",
"versionType": "git"
},
{
"status": "affected",
"version": "b6d1a06320519ac3bfda6ce81067a1bc409b9cff",
"lessThan": "8cae0ce77de492d7c31c1532a2e80c0c6e7e58cb",
"versionType": "git"
}
],
"programFiles": [
"drivers/gpu/drm/amd/amdgpu/vcn_v5_0_0.c"
],
"defaultStatus": "unaffected"
},
{
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"product": "Linux",
"versions": [
{
"status": "affected",
"version": "6.9"
},
{
"status": "unaffected",
"version": "0",
"lessThan": "6.9",
"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_v5_0_0.c"
],
"defaultStatus": "affected"
}
]- Related CVEs
- CVE-2026-63850
Source reference:
/cveMetadata/cveId
Publisher severity
high
Source reference: /containers/cna/metrics
- Event
- #40855 · Revision 1
- Added to Heist Feed
- Publisher date