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CVE-2024-44940

7.5 · HIGH

In the Linux kernel, the following vulnerability has been resolved: fou: remove warn in gue_gro_receive on unsupported protocol Drop the WARN_ON_ONCE inn gue_gro_receive if the encapsulated type…

Published Aug 26, 2024EPSS 0.75%

Overview

CVE-2024-44940 is a high-severity vulnerability. It was published on August 26, 2024 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:

fou: remove warn in gue_gro_receive on unsupported protocol

Drop the WARN_ON_ONCE inn gue_gro_receive if the encapsulated type is

not known or does not have a GRO handler.

Such a packet is easily constructed. Syzbot generates them and sets

off this warning.

Remove the warning as it is expected and not actionable.

The warning was previously reduced from WARN_ON to WARN_ON_ONCE in

commit 270136613bf7 ("fou: Do WARN_ON_ONCE in gue_gro_receive for bad

proto callbacks").

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/3db4395332e7050ef9ddeb3052e6b5019f2a2a59Refgit.kernel.org/stable/c/440ab7f97261bc28501636a13998e1b1946d2e79Refgit.kernel.org/stable/c/5a2e37bc648a2503bf6d687aed27b9f4455d82ebRefgit.kernel.org/stable/c/a925a200299a6dfc7c172f54da6f374edc930053Refgit.kernel.org/stable/c/b1453a5616c7bd8acd90633ceba4e59105ba3b51Refgit.kernel.org/stable/c/dd89a81d850fa9a65f67b4527c0e420d15bf836cReflists.debian.org/debian-lts-announce/2025/01/msg00001.htmlReflists.debian.org/debian-lts-announce/2025/03/msg00002.html

How CyberStrike helps

Frequently asked questions

What is CVE-2024-44940?

CVE-2024-44940 is a high-severity vulnerability. It was published on August 26, 2024 and has a CVSS 3.1 base score of 7.5 (HIGH).

How severe is CVE-2024-44940?

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-2024-44940?

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-2024-44940?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2024-44940 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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