Fix sleeping function called from invalid context on RT kernel in Linux Kernel

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-2022-1002918: tracing: Fix sleeping function called from invalid context on RT kernel. Affects Kernel versions < 43bfc4dccc416c964b53cbdc430e814f8b6f770b. No fix is published. How to fix ↓

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Background

The Linux Kernel is the core component of the Linux operating system. It provides essential services and functions to enable the proper functioning of the system. The tracing feature in the Linux Kernel allows for the collection of runtime information for debugging and performance analysis purposes. However, a vulnerability has been discovered in the tracing module that affects real-time (RT) kernels. This vulnerability can lead to a sleeping function being called from an invalid context, potentially causing system instability or crashes.

Vulnerability Detail

The vulnerability arises from a sleeping function being invoked from an invalid context on RT kernels. This can occur when certain operations are performed within the tracing module. If exploited, it could result in system instability or crashes, potentially leading to denial of service or privilege escalation attacks. The impact and attack plausibility of this vulnerability have not been proven yet.

How To Fix

No fixed version is published for this vulnerability.

The vulnerability has been addressed in the Linux Kernel version v5.17.15 through commit 43bfc4dccc416c964b53cbdc430e814f8b6f770b. To fix the vulnerability, users are advised to update their Linux Kernel to this version or any subsequent version that includes the fix.

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Workaround

No specific workaround has been provided for this vulnerability.

Conclusion

The vulnerability in the tracing module of the Linux Kernel, which allows for a sleeping function to be called from an invalid context on RT kernels, has been addressed in version v5.17.15 and later. Users are advised to update their Linux Kernel to the fixed version to mitigate the risk of system instability or crashes. For further support on vulnerability remediation, please contact DevNack.com.

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