Vulnerability in Kernel package: isdn: mISDN: Fix sleeping function called from invalid context

Kernel Updated 02 Oct 2025

Summary

14/11/2021
N/A
No i
Unrated
Not published

GSD-2021-1002117: isdn: mISDN: Fix sleeping function called from invalid context. Affects Kernel versions < f5966ba53013149bcf94e1536644a958dd00a026. No fix is published. How to fix ↓

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Background

The Kernel package is a critical component of the Linux operating system, responsible for managing the system's core functionality. It provides essential services, such as process management, memory management, and device drivers. The vulnerability in question affects the isdn subsystem of the Kernel package, specifically the mISDN module. mISDN is responsible for handling ISDN (Integrated Services Digital Network) communication protocols. This vulnerability allows a sleeping function to be called from an invalid context, potentially leading to system instability or crashes.

Vulnerability Detail

The vulnerability arises from a sleeping function being invoked from an invalid context within the mISDN module of the Kernel package. This can result in various issues, including system crashes, instability, or potential privilege escalation. The impact and attack plausibility of this vulnerability have not been proven yet. It is important to note that this vulnerability has been addressed in the Linux Kernel version v5.14.15 through the commit f5966ba53013149bcf94e1536644a958dd00a026.

How To Fix

No fixed version is published for this vulnerability.

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Workaround

As this vulnerability has been fixed in the Linux Kernel version v5.14.15, there is no specific workaround available. It is crucial to update the Kernel package to the patched version to mitigate the vulnerability.

Conclusion

The vulnerability in the Kernel package's mISDN module has been addressed in the Linux Kernel version v5.14.15. It is crucial to update the Kernel package to the patched version to mitigate the vulnerability. For further support on vulnerability remediation, please contact DevNack.com.

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FAQ

The Kernel package is a critical component of the Linux operating system, responsible for managing the system's core functionality.

The mISDN module is a subsystem within the Kernel package that handles ISDN communication protocols.

The vulnerability can lead to system crashes, instability, or potential privilege escalation.

The impact and attack plausibility of this vulnerability have not been proven yet.

To fix this vulnerability, update the Linux Kernel package to version v5.14.15 or later.

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How To Fix

No fixed version is published for this vulnerability.

Tip — Not sure whether your app is affected? Vulert can check the versions your app actually runs. Scan free →

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