Silence KASAN warnings in __get_wchan() in Kernel

Kernel Updated 02 Oct 2025

Summary

31/07/2022
N/A
No i
Unrated
Not published

GSD-2022-1004659: powerpc/kasan: Silence KASAN warnings in __get_wchan(). Affects Kernel versions < 2c9548bc2650b3a2778050f62d8f683f507e6e6d. No fix is published. How to fix ↓

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Background

The Kernel is a fundamental component of the Linux operating system that acts as a bridge between the hardware and software layers. It provides essential functionalities, such as managing system resources, handling device drivers, and facilitating communication between different software components. The Kernel is responsible for maintaining the stability, security, and performance of the entire system. However, it is not immune to vulnerabilities that can potentially compromise the system's integrity and expose it to various threats.

Vulnerability Detail

The vulnerability identified as GSD-2022-1004659 affects the Kernel's powerpc/kasan module. KASAN (Kernel Address Sanitizer) is a dynamic memory error detector that helps identify and mitigate memory-related bugs in the Kernel. In this specific case, the vulnerability involves KASAN warnings being generated in the __get_wchan() function. These warnings can potentially lead to information leaks or other security issues if left unaddressed. The impact and attack plausibility of this vulnerability have not been proven yet.

How To Fix

No fixed version is published for this vulnerability.

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Conclusion

The vulnerability identified in the powerpc/kasan module of the Kernel can potentially lead to information leaks or other security issues. It is crucial to update the Kernel to the fixed version mentioned in the vulnerability details to mitigate any potential risks. For further support on vulnerability remediation, please contact DevNack.com.

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FAQ

The impact of this vulnerability is not yet proven. However, if left unaddressed, it could potentially lead to information leaks or other security issues.

You can use the Vulert Playground at Vulert Scanner to check if your system is affected by this vulnerability. Simply upload your manifest file, such as package-lock.json, and Vulert will analyze it in real-time to identify any open-source vulnerabilities, including this one.

No specific workaround has been provided for this vulnerability. It is recommended to update the Kernel to the fixed version mentioned earlier.

As of now, there are no known exploits for this vulnerability. However, it is crucial to apply the fix promptly to mitigate any potential risks.

You can find more information about this vulnerability in the GSD-2022-1004659 entry of the GSD Database maintained by the Cloud Security Alliance. The link to the specific entry is available in the vulnerability details section.

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How To Fix

No fixed version is published for this vulnerability.

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