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CVE-2024-27418

5.5 · MEDIUM

In the Linux kernel, the following vulnerability has been resolved: net: mctp: take ownership of skb in mctp_local_output Currently, mctp_local_output only takes ownership of skb on success, and…

Published May 17, 2024CWE-401EPSS 0.22%

Overview

CVE-2024-27418 is a medium-severity vulnerability. It was published on May 17, 2024 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 5.5, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical description

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

net: mctp: take ownership of skb in mctp_local_output

Currently, mctp_local_output only takes ownership of skb on success, and

we may leak an skb if mctp_local_output fails in specific states; the

skb ownership isn't transferred until the actual output routing occurs.

Instead, make mctp_local_output free the skb on all error paths up to

the route action, so it always consumes the passed skb.

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/3773d65ae5154ed7df404b050fd7387a36ab5ef3Refgit.kernel.org/stable/c/a3c8fa54e904b0ddb52a08cc2d8ac239054f61fdRefgit.kernel.org/stable/c/a639441c880ac479495e5ab37e3c29f21ae5771bRefgit.kernel.org/stable/c/cbebc55ceacef1fc0651e80e0103cc184552fc68Refgit.kernel.org/stable/c/3773d65ae5154ed7df404b050fd7387a36ab5ef3Refgit.kernel.org/stable/c/a3c8fa54e904b0ddb52a08cc2d8ac239054f61fdRefgit.kernel.org/stable/c/a639441c880ac479495e5ab37e3c29f21ae5771bRefgit.kernel.org/stable/c/cbebc55ceacef1fc0651e80e0103cc184552fc68

How CyberStrike helps

Frequently asked questions

What is CVE-2024-27418?

CVE-2024-27418 is a medium-severity vulnerability. It was published on May 17, 2024 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2024-27418?

This vulnerability has a CVSS 3.1 base score of 5.5, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2024-27418?

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-2024-27418?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2024-27418 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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