PT-2026-61171 · Linux · Linux

CVE-2026-63854 · Published 2026-07-19 · Updated 2026-07-19

NVD

CVSS v3.1

7.8

High

Base vector

AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

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

drm/amdgpu/vcn: set no user fence 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)

Fix

Related Identifiers

CVE-2026-63854

Affected Products

Linux

References · 6

• https://nvd.nist.gov/vuln/detail/CVE-2026-63854 · Security Note
• https://git.kernel.org/stable/c/f1e5a6660d7cbf006079126d9babbf0ccf538c6b · Note
• https://git.kernel.org/stable/c/26c4f38529ac78930c9c4713e16ebc5b689bb0a3 · Note
• https://git.kernel.org/stable/c/2d6525e7b2504f5bbfe9417cddc1e8da858791dd · Note
• https://git.kernel.org/stable/c/b076e45e6f757a2829e80d0144c1b5f201bee5af · Note
• https://git.kernel.org/stable/c/e74fc9c72c1ba78d0de0b849f5929c3b39a8e20c · Note