Vulnerability in Kernel: isdn: mISDN: netjet: Fix crash in nj_probe

Kernel Updated 02 Oct 2025

Summary

30/06/2021
N/A
No i
Unrated
Not published

GSD-2021-1000938: isdn: mISDN: netjet: Fix crash in nj_probe:. Affects Kernel versions < 143fc7220961220eecc04669e5909af8847bf8c8. 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 and services to enable the proper functioning of the system. The vulnerability in question affects the isdn module within the Kernel, specifically the mISDN netjet driver. The netjet driver is responsible for handling network communication for ISDN devices. This vulnerability can lead to a crash in the nj_probe function, potentially disrupting the network connectivity of affected systems.

Vulnerability Detail

The vulnerability arises from a flaw in the nj_probe function of the netjet driver in the isdn module. When triggered, this flaw can cause a crash in the system, resulting in a denial of service condition. An attacker with access to the affected system could potentially exploit this vulnerability to disrupt network communication and cause system instability. It is important to note that 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 in the isdn module of the Kernel, specifically in the mISDN netjet driver, can lead to crashes in the nj_probe function. Updating the Kernel to version v5.10.44 or later, which includes the necessary fix, is recommended to mitigate the risk of crashes and potential denial of service attacks. For further support on vulnerability remediation, please contact DevNack.com.

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FAQ

The vulnerability can lead to crashes in the system, potentially causing a denial of service condition and disrupting network connectivity.

Remote exploitation of this vulnerability is possible if an attacker has access to the affected system.

At the moment, there is no known workaround for this vulnerability. It is recommended to update the Kernel to the patched version.

There is no information available regarding exploitation of this vulnerability in real-world scenarios.

The specific vulnerable version range has not been provided. However, the fix for this vulnerability is available in Linux Kernel version v5.10.44 and later.

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How To Fix

No fixed version is published for this vulnerability.

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