SEPTEMBER 8, 2026
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Case File

CVE-2026-63843

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 or potential privilege escalation, making it critical for systems utilizing affected Linux distributions to prioritize patching. Organizations relying on Linux for graphics processing, particularly those using AMD GPUs, should address this vulnerability promptly to mitigate risks.

CVE
CVE-2026-63843
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 v4.0.5 ring JPEG rings do not support 64-bit user fence writes, reject CS submissions with user fences. (cherry picked from commit f05d0a4f21fc720116d6e238f23308b199891058)