drm/amdgpu/vcn: set no_user_fence for VCN v5.0.1 enc ring
In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/vcn: set no_user_fence for VCN v5.0.1 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 e16be95a2c3ee712b142cb27d2dca0b461181359)
CVE-2026-63849
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-2026-63849
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": "346492f30ce3581bf5324c4ae417eab8537dc998",
"lessThan": "081ef0e46c9cdd26c0db0ef721470393d36b6655",
"versionType": "git"
},
{
"status": "affected",
"version": "346492f30ce3581bf5324c4ae417eab8537dc998",
"lessThan": "5a4bffd67e94944ed3db26a959346cfb7fabaecd",
"versionType": "git"
},
{
"status": "affected",
"version": "346492f30ce3581bf5324c4ae417eab8537dc998",
"lessThan": "8f4954722eab88e10c4ea0c0d3b1269c31421d3a",
"versionType": "git"
}
],
"programFiles": [
"drivers/gpu/drm/amd/amdgpu/vcn_v5_0_1.c"
],
"defaultStatus": "unaffected"
},
{
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"product": "Linux",
"versions": [
{
"status": "affected",
"version": "6.14"
},
{
"status": "unaffected",
"version": "0",
"lessThan": "6.14",
"versionType": "semver"
},
{
"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_1.c"
],
"defaultStatus": "affected"
}
]- Related CVEs
- CVE-2026-63849
Source reference:
/cveMetadata/cveId
Publisher severity
high
Source reference: /containers/cna/metrics
- Event
- #40853 · Revision 1
- Added to Heist Feed
- Publisher date