Vulnerability in coresight: cpu-debug Package

Kernel Updated 02 Oct 2025

Summary

28/06/2022

Disclosed on

N/A

Severity

No i

Fix available

Unrated

Severity

Not published

CVSS Score

GSD-2022-1002998: coresight: cpu-debug: Replace mutex with mutex_trylock on panic notifier. Affects Kernel versions >= 2227b7c7463402ce92706a6f35c82cad6e8ee19a, < 53cc04f4ca9934291a09c5835f83bcc5b5b43b1f. No fix is published. How to fix ↓

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Background

The coresight: cpu-debug package is a component of the Linux Kernel, which is responsible for providing debugging capabilities for CPUs. It allows developers to monitor and analyze the behavior of CPUs during runtime. The package includes various features and functionalities to facilitate debugging processes. However, a vulnerability has been discovered in the package that could potentially lead to security issues.

Vulnerability Detail

The vulnerability in the coresight: cpu-debug package involves the use of a mutex instead of mutex_trylock on the panic notifier. This vulnerability was introduced in version v4.13 of the Linux Kernel by commit 2227b7c7463402ce92706a6f35c82cad6e8ee19a and was fixed in version v5.17.15 by commit 53cc04f4ca9934291a09c5835f83bcc5b5b43b1f. The impact and attack plausibility of this vulnerability have not been proven yet. However, if exploited, it could potentially lead to unauthorized access or denial of service attacks.

How To Fix

No fixed version is published for this vulnerability.

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Workaround

No workaround has been provided for this vulnerability.

Conclusion

In conclusion, a vulnerability has been discovered in the coresight: cpu-debug package of the Linux Kernel. This vulnerability could potentially lead to unauthorized access or denial of service attacks. It is recommended to update the Linux Kernel to version v5.17.15 or later to mitigate this vulnerability. For further support on vulnerability remediation, please contact DevNack.com.

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