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CVE-2022-49048

7.5 · HIGH

In the Linux kernel, the following vulnerability has been resolved: ipv6: fix panic when forwarding a pkt with no in6 dev kongweibin reported a kernel panic in ip6_forward() when input interface…

Published Feb 26, 2025EPSS 0.69%

Overview

CVE-2022-49048 is a high-severity vulnerability. It was published on February 26, 2025 and has a CVSS 3.1 base score of 7.5 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

In the Linux kernel, the following vulnerability has been resolved:

ipv6: fix panic when forwarding a pkt with no in6 dev

kongweibin reported a kernel panic in ip6_forward() when input interface

has no in6 dev associated.

The following tc commands were used to reproduce this panic:

tc qdisc del dev vxlan100 root

tc qdisc add dev vxlan100 root netem corrupt 5%

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refgit.kernel.org/stable/c/74b68f5249f16c5f7f675d0f604fa6ae20e3a151Refgit.kernel.org/stable/c/a263712ba8c9ded25dd9d2d5ced11bcea5b33a3eRefgit.kernel.org/stable/c/ab2f5afb7af5c68389e8c7dd29e0a98fbeaaa435Refgit.kernel.org/stable/c/adee01bbf6cb5b3e4ed08be8ff866aac90f13836Refgit.kernel.org/stable/c/e3fa461d8b0e185b7da8a101fe94dfe6dd500ac0Refgit.kernel.org/stable/c/e69fb3de87a8923e5931a272a38fa3cceb01da44

How CyberStrike helps

Frequently asked questions

What is CVE-2022-49048?

CVE-2022-49048 is a high-severity vulnerability. It was published on February 26, 2025 and has a CVSS 3.1 base score of 7.5 (HIGH).

How severe is CVE-2022-49048?

This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2022-49048?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2022-49048?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2022-49048 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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