CVE-2026-63844

high

Description

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/jpeg: set no_user_fence for JPEG v4.0.3 ring JPEG rings do not support 64-bit user fence writes, reject CS submissions with user fences. (cherry picked from commit 2f6afc97d259d530f4f86c7743efbc573a8da927)

References

https://git.kernel.org/stable/c/d6bd2a5fd611ec9c8a2411f084cff2435c709608

https://git.kernel.org/stable/c/b884ff67d62ef514eee9d5f605c03101c8b6bc98

https://git.kernel.org/stable/c/8549b3933038e68dc61cb934b9a54223dd244a78

https://git.kernel.org/stable/c/83e37c0987ca92f9e87789b46dd311dcf5a4a6c8

https://git.kernel.org/stable/c/249fa7549736de1c8e327d7ca6b32fa148a40bd6

Details

Source: Mitre, NVD

Published: 2026-07-19

Updated: 2026-07-20

Risk Information

CVSS v2

Base Score: 6.8

Vector: CVSS2#AV:L/AC:L/Au:S/C:C/I:C/A:C

Severity: Medium

CVSS v3

Base Score: 7.8

Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Severity: High

EPSS

EPSS: 0.00168