net: batman-adv: fix error handling

Kernel Updated 02 Oct 2025

Summary

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

UVI-2021-1002206: net: batman-adv: fix error handling. Affects Kernel versions >= c6c8fea29769d998d94fcec9b9f14d4b52b349d3, < 6f68cd634856f8ca93bafd623ba5357e0f648c68. No fix is published. How to fix ↓

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Background

The net package in the Linux Kernel is responsible for handling network-related functionality. It includes various modules and protocols for network communication. One of these modules is batman-adv, which stands for Better Approach To Mobile Ad-hoc Networking. It is a routing protocol that allows nodes in a wireless mesh network to communicate with each other. However, a vulnerability has been discovered in the error handling of batman-adv.

Vulnerability Detail

The vulnerability in batman-adv's error handling can potentially lead to security issues. Although the exact impact and attack plausibility have not been proven, it is crucial to address this vulnerability to ensure the integrity and security of the network. The vulnerability was introduced in version v2.6.38 of the Linux Kernel and has been fixed in version v5.15 by commit 6f68cd634856f8ca93bafd623ba5357e0f648c68.

How To Fix

No fixed version is published for this vulnerability.

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Conclusion

The vulnerability in batman-adv's error handling can potentially lead to security issues in the Linux Kernel. It is recommended to update the Kernel to version v5.15 or later to fix this vulnerability. For further support on vulnerability remediation, you can contact DevNack.com.

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FAQ

Batman-adv is a routing protocol module in the Linux Kernel that enables communication between nodes in a wireless mesh network.

The exact impact of this vulnerability is not yet proven. However, it is important to address it to ensure network security.

You can use Vulert's playground at Vulert Scanner to check if your system is affected by this vulnerability. Simply upload your package-lock.json file and Vulert will provide real-time alerts for open-source vulnerabilities.

No specific workaround has been mentioned for this vulnerability. It is recommended to update the Linux Kernel to the fixed version.

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How To Fix

No fixed version is published for this vulnerability.

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