SEPTEMBER 8, 2026
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Case File

CVE-2026-63846

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

A vulnerability in the Linux kernel affects the amdgpu driver, specifically related to JPEG ring submissions that improperly handle 64-bit user fence writes. This flaw can lead to denial of service by rejecting command submissions, potentially impacting system stability and performance. Organizations using affected Linux distributions, particularly those relying on AMD graphics hardware, should prioritize patching to mitigate this high-severity risk.

CVE
CVE-2026-63846
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 v3.0 ring JPEG rings do not support 64-bit user fence writes, reject CS submissions with user fences. (cherry picked from commit 4d7d774f100efb5089c86a1fb8c5bf47c63fc9ef)