CVE-2026-63846
kernel: drm/amdgpu/jpeg: set no_user_fence for JPEG v3.0 ring
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · July 19, 2026
Updated · August 22, 2026
Description
A flaw was found in the Linux kernel's drm/amdgpu/jpeg component, specifically within the JPEG v3.0 ring. This component does not support 64-bit user fence writes. Consequently, any command submissions (CS) that attempt to use 64-bit user fences will be rejected, leading to a functional limitation or denial of service for applications relying on this feature.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.1 · 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE-1287 · Improper Validation of Specified Type of Input