CVE-2026-63844
Published: July 22, 2026Last modified: July 22, 2026
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)
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 7.8 |
| Attack Vector | LOCAL |
| Attack complexity | LOW |
| Privileges required | LOW |
| User interaction | NONE |
| Scope | UNCHANGED |
| Confidentiality | HIGH |
| Integrity impact | HIGH |
| Availability impact | HIGH |
| Vector | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
Status
| Product | Release | Package | Status |
|---|---|---|---|
| Alpaquita Linux | 23 LTS | linux-lts | Not affected (6.1.33-r0) |
| 25 LTS | linux-lts | Fixed (6.12.92-r0) | |
| Stream | linux-lts | Fixed (6.18.35-r1) |
References
- https://git.kernel.org/stable/c/249fa7549736de1c8e327d7ca6b32fa148a40bd6
- https://git.kernel.org/stable/c/83e37c0987ca92f9e87789b46dd311dcf5a4a6c8
- https://git.kernel.org/stable/c/8549b3933038e68dc61cb934b9a54223dd244a78
- https://git.kernel.org/stable/c/b884ff67d62ef514eee9d5f605c03101c8b6bc98
- https://git.kernel.org/stable/c/d6bd2a5fd611ec9c8a2411f084cff2435c709608