CVE-2026-63844
Published Jul 19, 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)
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References
Other 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
Frequently Asked Questions
What is CVE-2026-63844? +
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)
How do I check if I'm vulnerable to CVE-2026-63844? +
You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.