Potential null pointer dereference in net: fujitsu package

Kernel Updated 02 Oct 2025

Summary

04/06/2021
N/A
No i
Unrated
Not published

GSD-2021-1000626: net: fujitsu: fix potential null-ptr-deref. Affects Kernel versions < 22049c3d40f08facd1867548716a484dad6b3251. No fix is published. How to fix ↓

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Background

The net: fujitsu package is a component of the Linux Kernel, which is responsible for managing network functionality. It includes drivers and protocols for various network devices. The package is widely used in Linux-based systems and provides essential networking capabilities. However, a potential null pointer dereference vulnerability has been identified in this package.

Vulnerability Detail

The vulnerability in the net: fujitsu package arises from a potential null pointer dereference. This means that under certain conditions, the code may attempt to access or dereference a null pointer, leading to a crash or undefined behavior. The impact of this vulnerability can vary depending on the specific context in which it is triggered. Attackers may be able to exploit this vulnerability to cause a denial-of-service (DoS) condition or potentially execute arbitrary code.

How To Fix

No fixed version is published for this vulnerability.

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Workaround

There is no specific workaround mentioned for this vulnerability. However, applying the recommended fix by updating the Linux Kernel should address the issue.

Conclusion

The net: fujitsu package in the Linux Kernel is vulnerable to a potential null pointer dereference issue. This vulnerability can have varying impacts, including the possibility of a DoS condition or arbitrary code execution. To mitigate this vulnerability, it is crucial to update the Linux Kernel to version v5.4.124 or later. For further assistance or support in addressing this vulnerability, please contact DevNack.com.

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FAQ

The net: fujitsu package is a component of the Linux Kernel that provides network functionality, including drivers and protocols for various network devices.

A null pointer dereference vulnerability occurs when code attempts to access or dereference a null pointer, leading to a crash or undefined behavior.

The impact of this vulnerability can vary, but it may allow attackers to cause a denial-of-service (DoS) condition or potentially execute arbitrary code.

To fix this vulnerability, update the Linux Kernel to version v5.4.124 or later, which includes the necessary fix for the null pointer dereference issue.

No specific workaround is mentioned for this vulnerability. Updating the Linux Kernel is the recommended solution.

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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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