IPv6 Panic Vulnerability in Linux Kernel

Kernel Updated 02 Oct 2025

Summary

24/04/2022

Disclosed on

N/A

Severity

No i

Fix available

Unrated

Severity

Not published

CVSS Score

GSD-2022-1000962: ipv6: fix panic when forwarding a pkt with no in6 dev. Affects Kernel versions >= ccd27f05ae7b8ebc40af5b004e94517a919aa862, < e69fb3de87a8923e5931a272a38fa3cceb01da44. No fix is published. How to fix ↓

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Background

The Linux Kernel is the core component of the Linux operating system, responsible for managing system resources and providing essential functionality. It is widely used in various Linux distributions and powers a significant portion of servers, embedded systems, and devices. The IPv6 protocol is the latest version of the Internet Protocol, designed to replace IPv4 and provide a larger address space. It is implemented in the Linux Kernel to enable communication over IPv6 networks.

Vulnerability Detail

The identified vulnerability in the Linux Kernel affects the handling of IPv6 packets when forwarding them with no in6 dev (IPv6 device). This issue can lead to a panic, causing the system to crash. The vulnerability was introduced in version v5.14 of the Linux Kernel and fixed in version v5.17.4. 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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Workaround

There is no specific workaround mentioned for this vulnerability.

Conclusion

The IPv6 Panic Vulnerability in the Linux Kernel can lead to system crashes when forwarding IPv6 packets without an IPv6 device. It is recommended to update the Kernel to version v5.17.4 or later to mitigate this vulnerability. For further support on vulnerability remediation, please contact DevNack.com.

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