SEPTEMBER 8, 2026
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Case File

CVE-2026-63841

HIGH · CVSS 7.8 EPSS 0.13%

Source: NVD + CISA KEV + EPSS · Published 2026-07-19 · Last synced 2026-08-18

CyberRota Analysis

AI-Generated

The vulnerability affects the Linux kernel's AMD GPU driver, specifically in the JPEG processing component, which improperly handles 64-bit user fence writes. This flaw can lead to denial of service through rejected command submissions, potentially impacting system stability and performance. Organizations using affected Linux distributions with AMD graphics hardware should prioritize patching to mitigate the risk of exploitation.

CVE
CVE-2026-63841
Severity
HIGH
CVSS
7.8
EPSS
0.13%
Linux

Original NVD Description

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/jpeg: set no_user_fence for JPEG v5.0.1 ring JPEG rings do not support 64-bit user fence writes, reject CS submissions with user fences. (cherry picked from commit 742a98e2e81702df8fe1b1eccee5223220a03dc2)