CVE-2026-63854

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Source

https://cve.org/CVERecord?id=CVE-2026-63854

Import Source

JSON Data

https://api.test.osv.dev/v1/vulns/CVE-2026-63854

Downstream

Published

2026-07-19T14:04:44.487Z

Modified

2026-07-22T03:31:35.888055141Z

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 v3.0 enc/dec rings

Details

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

drm/amdgpu/vcn: set nouserfence for VCN v3.0 enc/dec rings

VCN encoder and decoder rings do not support 64-bit user fence writes, reject CS submissions with user fences.

(cherry picked from commit 663bed3c7b8b9a7624b0d95d300ddae034ad0614)

Database specific

{
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/63xxx/CVE-2026-63854.json"
}

References

Affected packages

Type: GIT
Repo: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events: Introduced

cf14826cdfb5c9fe10f98210d040b9d7486c381d

Fixed

e74fc9c72c1ba78d0de0b849f5929c3b39a8e20c

Fixed

26c4f38529ac78930c9c4713e16ebc5b689bb0a3

Fixed

2d6525e7b2504f5bbfe9417cddc1e8da858791dd

Fixed

b076e45e6f757a2829e80d0144c1b5f201bee5af

Fixed

f1e5a6660d7cbf006079126d9babbf0ccf538c6b

source

"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-63854.json"

source

"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-63854.json"