What is GHSA-9f56-6f5c-c8vx?

GHSA-9f56-6f5c-c8vx is a security advisory published by GitHub Security Advisories with High severity. In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/jpeg: set...

Which CVE IDs does GHSA-9f56-6f5c-c8vx cover?

GHSA-9f56-6f5c-c8vx covers the following CVE IDs: CVE-2026-63840. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-9f56-6f5c-c8vx?

GHSA-9f56-6f5c-c8vx has a CVSS v3 base score of 7.8, published by GitHub Security Advisories.

GHSA-9f56-6f5c-c8vxHighCVSS 7.8

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/jpeg: set...

Vendor

GitHub Security Advisories

Published

July 19, 2026

Last Modified

July 20, 2026

🔗 CVE IDs covered (1)

CVE-2026-63840 →

📋 Description

In the Linux kernel, the following vulnerability has been resolved:

drm/amdgpu/jpeg: set no_user_fence for JPEG v5.3.0 ring

JPEG rings do not support 64-bit user fence writes, reject CS submissions with user fences.

(cherry picked from commit 86ac011ae234c03fb872f4945913391ea1d8862e)

🔗 References (4)

https://nvd.nist.gov/vuln/detail/CVE-2026-63840
https://git.kernel.org/stable/c/3b0ea2021351b6b813b34fac940957f1f4fad85b
https://git.kernel.org/stable/c/46ad73aec27d020f103b4262e4da2d2c22f54799
https://github.com/advisories/GHSA-9f56-6f5c-c8vx