What’s Vulnerable › Vulnerabilities

CVE-2026-63844: drm/amdgpu/jpeg: set no_user_fence for JPEG v4.0.3 ring

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-07-19 · updated 2026-10-22
• Weakness: CWE-754

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)

Affected products

• Linux kernel: from 6.5 before 6.6.141; from 6.7 before 6.12.91; from 6.13 before 6.18.33; from 6.19 before 7.0.10; 7.1-rc1 — fixed in 6.12.91, 6.18.33, 6.6.141, 7.0.10

How to fix

Upgrade to a fixed version: Linux kernel 6.12.91, 6.18.33, 6.6.141, 7.0.10. Check the vendor advisory for mitigations.

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

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