Null Pointer Dereference in AMD GPU Linux Kernel Driver

Publication date: 2026-05-06

Last updated on: 2026-05-08

Assigner: kernel.org

Description

In the Linux kernel, the following vulnerability has been resolved: drm/amd/pm: Fix null pointer dereference issue If SMU is disabled, during RAS initialization, there will be null pointer dereference issue here.

CVSS Scores

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Meta Information

Published

2026-05-06

Last Modified

2026-05-08

Generated

2026-07-06

AI Q&A

2026-05-06

EPSS Evaluated

2026-07-04

NVD

CVE-2026-43131

EUVD

EUVD-2026-27693

Affected Vendors & Products

Vendor	Product	Version / Range
linux	linux_kernel	to 6.19.6 (exc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-476	The product dereferences a pointer that it expects to be valid but is NULL.

Attack-Flow Graph

Executive Summary

This vulnerability is a null pointer dereference issue in the Linux kernel, specifically in the drm/amd/pm component. It occurs during RAS (Reliability, Availability, and Serviceability) initialization if the SMU (System Management Unit) is disabled.

Impact Analysis

The null pointer dereference can cause the Linux kernel to crash or behave unpredictably during the initialization process, potentially leading to system instability or denial of service.

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