Vulnerability in isdn: mISDN: netjet

Kernel Updated 02 Oct 2025

Summary

30/06/2021

Disclosed on

N/A

Severity

No i

Fix available

Unrated

Severity

Not published

CVSS Score

GSD-2021-1000836: isdn: mISDN: netjet: Fix crash in nj_probe:. Affects Kernel versions < 4c1fcb6ec964b44edbf84235134582a5ffae1521. No fix is published. How to fix ↓

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Background

The isdn package is a component of the Linux Kernel, which is responsible for handling Integrated Services Digital Network (ISDN) connections. The mISDN subsystem within the kernel provides support for ISDN hardware and protocols. The netjet module is a driver for Netjet ISDN cards. This vulnerability specifically affects the nj_probe function within the netjet module.

Vulnerability Detail

The nj_probe function in the netjet module of the mISDN subsystem in the isdn package is vulnerable to a crash. This vulnerability can be triggered by a malicious actor, potentially leading to a denial-of-service (DoS) condition. The exact impact and attack vectors have not been proven yet.

How To Fix

No fixed version is published for this vulnerability.

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Conclusion

The isdn package in the Linux Kernel is vulnerable to a crash in the nj_probe function within the netjet module. It is recommended to update the Linux Kernel to version v4.9.273 or later to mitigate this vulnerability. For further support on vulnerability remediation, please contact DevNack.com.

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