drm/amdgpu/vcn: set no_user_fence for VCN v4.0.3 enc ring
In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/vcn: set no_user_fence for VCN v4.0.3 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 ff1a5a125c5a70c328806b9bc01d7d942cf3f9aa)
CVE-2026-63852
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-2026-63852
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": "b889ef4ac98837838c38f7b9f72bba2f33ee367d",
"lessThan": "c12a5d35033c0640c57c10d7111c010c7b9c2c8e",
"versionType": "git"
},
{
"status": "affected",
"version": "b889ef4ac98837838c38f7b9f72bba2f33ee367d",
"lessThan": "387b7c7667bd5c53549350ddad866d2fcf75a529",
"versionType": "git"
},
{
"status": "affected",
"version": "b889ef4ac98837838c38f7b9f72bba2f33ee367d",
"lessThan": "9076a83e5adefd10dc5c967c7b8bde601c4c512a",
"versionType": "git"
},
{
"status": "affected",
"version": "b889ef4ac98837838c38f7b9f72bba2f33ee367d",
"lessThan": "0177ac6141c8857130cf365369c74dee7b6b1f7f",
"versionType": "git"
},
{
"status": "affected",
"version": "b889ef4ac98837838c38f7b9f72bba2f33ee367d",
"lessThan": "4532b52b34e4e4310386e6fdf6a643368599f522",
"versionType": "git"
}
],
"programFiles": [
"drivers/gpu/drm/amd/amdgpu/vcn_v4_0_3.c"
],
"defaultStatus": "unaffected"
},
{
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"product": "Linux",
"versions": [
{
"status": "affected",
"version": "6.5"
},
{
"status": "unaffected",
"version": "0",
"lessThan": "6.5",
"versionType": "semver"
},
{
"status": "unaffected",
"version": "6.6.141",
"versionType": "semver",
"lessThanOrEqual": "6.6.*"
},
{
"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_3.c"
],
"defaultStatus": "affected"
}
]- Related CVEs
- CVE-2026-63852
Source reference:
/cveMetadata/cveId
Publisher severity
high
Source reference: /containers/cna/metrics
- Event
- #40857 · Revision 1
- Added to Heist Feed
- Publisher date