SEPTEMBER 8, 2026
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Case File

CVE-2026-63848

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 handling of JPEG v2.0 rings within the AMD GPU driver, specifically related to the improper management of user fence writes. This flaw can lead to denial of service by rejecting command submissions that utilize user fences, potentially impacting system stability and performance. Organizations using affected Linux distributions with AMD graphics hardware should prioritize patching to mitigate the risk associated with this high-severity vulnerability.

CVE
CVE-2026-63848
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 v2.0 ring JPEG rings do not support 64-bit user fence writes, reject CS submissions with user fences. (cherry picked from commit 96179da0c6b059eb31706a0abe8dd6381c533143)