CVE-2022-49529

CVSS 3.1 Score 5.5 of 10 (medium)

Details

Published Feb 26, 2025

Updated: Mar 10, 2025

CWE ID 476

Summary

CVE-2022-49529 is a vulnerability affecting the Linux kernel's amdgpu driver. The issue involves a null pointer dereference that can result in a kernel panic when the software smu is not enabled. This occurs due to a failure to check if the pp_funcs are initialized before releasing the context. The vulnerability was identified during the release of version 5.16.0-custom and can lead to a supervisor read access in kernel mode, causing the system to crash. The affected code segment resides in the amdgpu\_dpm\_force\_performance\_level function.

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Linux Kernel

Affected Vendors

LINUX

Advisories, Assessments, and Mitigations

https://app.recordedfuture.com/live/sc/entity/3uuW8A
https://www.cve.org/CVERecord?id=CVE-2022-49529
https://nvd.nist.gov/vuln/detail/CVE-2022-49529

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