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Linux Kernel AMDGPU JPEG User Fence Vulnerability in V5.0.1

Vulnerability

A vulnerability in the Linux kernel's AMDGPU JPEG V5.0.1 ring has been addressed. This issue arose because JPEG rings do not accommodate 64-bit user fence writes, leading to the rejection of command stream submissions that included user fences. The vulnerability has been resolved by modifying the ring's configuration to disallow user fence writes.

Impact

The vulnerability could cause command stream submissions with user fences to be incorrectly rejected, potentially leading to issues in graphics processing or application performance.

Added: Jul 19, 2026, 3:42 PM
Updated: Jul 19, 2026, 3:42 PM

Vulnerability Rating

Custom Algorithm
spread
9.0
impact
0.6
exploitability
3.5
remediation
7.7
relevance
9.7
threat
3.2
urgency
2.9
incentive
0.0

Our algorithm analyzes dozens of metrics to generate these 8 key vulnerability categories, which are then combined to calculate the overall risk score.