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

Kernel Updated 02 Oct 2025

Summary

29/06/2021
N/A
No i
Unrated
Not published

UVI-2021-1000827: isdn: mISDN: netjet: Fix crash in nj_probe:. Affects Kernel versions < 958cb1078ca60d214826fd90a0961a447fade59a. No fix is published. How to fix ↓

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Background

The isdn package is a part of the Linux Kernel ecosystem and is responsible for handling Integrated Services Digital Network (ISDN) connections. The mISDN subsystem within the package provides support for ISDN cards. The netjet driver is a component of mISDN that enables communication with NetJet ISDN cards. However, a vulnerability has been discovered in the nj_probe function of the netjet driver, which can lead to a crash.

Vulnerability Detail

The vulnerability in the nj_probe function of the netjet driver can be exploited to cause a crash. The exact impact and attack plausibility of this vulnerability have not been proven yet. However, it is important to address this issue to prevent potential disruptions or denial-of-service situations. The vulnerability has been fixed in the Linux Kernel version v4.4.273 by commit 958cb1078ca60d214826fd90a0961a447fade59a.

How To Fix

No fixed version is published for this vulnerability.

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Conclusion

The vulnerability in the nj_probe function of the netjet driver in the isdn package has the potential to cause crashes and disrupt the functionality of the driver. It is recommended to update the Linux Kernel to version v4.4.273 or later to fix this vulnerability. For further support on vulnerability remediation, please contact DevNack.com.

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FAQ

The impact of this vulnerability is not yet proven, but it has the potential to cause crashes and disrupt the functionality of the netjet driver.

You can use the Vulert Playground at Vulert Scanner to check if your system is affected by this vulnerability. Simply upload your package-lock.json file to the playground, and it will alert you in real-time if your application is vulnerable.

At the time of this report, there are no known exploits for this vulnerability. However, it is still important to apply the fix to prevent any potential future exploits.

There are no known workarounds for this vulnerability. It is recommended to update the Linux Kernel to the fixed version.

You can find more information about the fix in the commit 958cb1078ca60d214826fd90a0961a447fade59a in the official Linux Kernel repository.

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How To Fix

No fixed version is published for this vulnerability.

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