drm/amdgpu/vcn: set no_user_fence for VCN v4.0 enc ring
In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/vcn: set no_user_fence for VCN v4.0 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 fd852c048b46f9825e904a4f3f4538fe9d8827d9)
CVE-2026-63853
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-2026-63853
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": "8da1170a16e4d4b49fa07d1f75ad480847ff7eca",
"lessThan": "525cc9df654365c147ae61e5562cf599ea2257f7",
"versionType": "git"
},
{
"status": "affected",
"version": "8da1170a16e4d4b49fa07d1f75ad480847ff7eca",
"lessThan": "d8df8918677136b018d71d0b94a1f6b816715946",
"versionType": "git"
},
{
"status": "affected",
"version": "8da1170a16e4d4b49fa07d1f75ad480847ff7eca",
"lessThan": "1286b6872de0aee1feeeaa6dbac86369806de9a5",
"versionType": "git"
},
{
"status": "affected",
"version": "8da1170a16e4d4b49fa07d1f75ad480847ff7eca",
"lessThan": "6bdd2ed6458d35c368fbe9550a4d7f342abd3a92",
"versionType": "git"
},
{
"status": "affected",
"version": "8da1170a16e4d4b49fa07d1f75ad480847ff7eca",
"lessThan": "51f694221047c84fa185be98210eb2c354ffb8c6",
"versionType": "git"
}
],
"programFiles": [
"drivers/gpu/drm/amd/amdgpu/vcn_v4_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": "5.19"
},
{
"status": "unaffected",
"version": "0",
"lessThan": "5.19",
"versionType": "semver"
},
{
"status": "unaffected",
"version": "6.6.160",
"versionType": "semver",
"lessThanOrEqual": "6.6.*"
},
{
"status": "unaffected",
"version": "6.12.114",
"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.c"
],
"defaultStatus": "affected"
}
]- Related CVEs
- CVE-2026-63853
Source reference:
/cveMetadata/cveId
Publisher severity
high
Source reference: /containers/cna/metrics
- Event
- #46401 · Revision 1
- Added to Heist Feed
- Publisher date