CVE-2026-63853

Source
https://cve.org/CVERecord?id=CVE-2026-63853
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-63853.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-63853
Downstream
Published
2026-07-19T14:04:43.885Z
Modified
2026-07-22T05:30:00.032178853Z
Severity
  • 7.8 (High) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
Summary
drm/amdgpu/vcn: set no_user_fence for VCN v4.0 enc ring
Details

In the Linux kernel, the following vulnerability has been resolved:

drm/amdgpu/vcn: set nouserfence 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)

Database specific
{
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/63xxx/CVE-2026-63853.json",
    "cna_assigner": "Linux"
}
References

Affected packages

Git / git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git

Affected ranges

Type
GIT
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events
Introduced
8da1170a16e4d4b49fa07d1f75ad480847ff7eca
Fixed
1286b6872de0aee1feeeaa6dbac86369806de9a5
Fixed
6bdd2ed6458d35c368fbe9550a4d7f342abd3a92
Fixed
51f694221047c84fa185be98210eb2c354ffb8c6

Database specific

source
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-63853.json"

Linux / Kernel

Package

Name
Kernel

Affected ranges

Type
ECOSYSTEM
Events
Introduced
5.19.0
Fixed
6.18.33
Type
ECOSYSTEM
Events
Introduced
6.19.0
Fixed
7.0.10

Database specific

source
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-63853.json"