SEPTEMBER 8, 2026
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Case File

CVE-2026-63847

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 AMD GPU driver, specifically the JPEG v2.5 ring, which improperly handles 64-bit user fence writes, leading to potential denial of service through rejected command submissions. This high-severity issue poses risks primarily to systems utilizing affected Linux distributions and F5 products that rely on the vulnerable driver. Organizations using these systems should prioritize patching to mitigate potential exploitation and service disruptions.

CVE
CVE-2026-63847
Severity
HIGH
CVSS
7.8
EPSS
0.13%
Linux F5

Original NVD Description

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/jpeg: set no_user_fence for JPEG v2.5 ring JPEG rings do not support 64-bit user fence writes, reject CS submissions with user fences. (cherry picked from commit 3216a7f4e2642bda5fd14f57586e835ae9202587)