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Linux Kernel Null Pointer Dereference Vulnerability in AMD Display Driver

Vulnerability

A null pointer dereference vulnerability has been identified in the Linux kernel's AMD display driver, specifically in the handling of pipe context updates. This issue occurs in the 'dcn401' version of the driver, where the 'plane_state' of the 'pipe_ctx' is not properly checked, leading to a potential crash. The vulnerability mirrors a previously addressed issue in the 'dcn20' version, indicating a recurring problem in the display pipeline management.

Impact

Exploitation of this vulnerability leads to a null pointer dereference, causing a kernel crash.

Added: Jun 18, 2025, 12:10 PM
Updated: Jun 18, 2025, 12:10 PM

Vulnerability Rating

Custom Algorithm
spread
9.0
impact
2.5
exploitability
5.3
remediation
0.0
relevance
0.2
threat
3.2
urgency
2.9
incentive
1.7

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