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CVE-2024-46702

5.5 · MEDIUM

In the Linux kernel, the following vulnerability has been resolved: thunderbolt: Mark XDomain as unplugged when router is removed I noticed that when we do discrete host router NVM upgrade and it…

Published Sep 13, 2024EPSS 0.24%

Overview

CVE-2024-46702 is a medium-severity vulnerability. It was published on September 13, 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:

thunderbolt: Mark XDomain as unplugged when router is removed

I noticed that when we do discrete host router NVM upgrade and it gets

hot-removed from the PCIe side as a result of NVM firmware authentication,

if there is another host connected with enabled paths we hang in tearing

them down. This is due to fact that the Thunderbolt networking driver

also tries to cleanup the paths and ends up blocking in

tb_disconnect_xdomain_paths() waiting for the domain lock.

However, at this point we already cleaned the paths in tb_stop() so

there is really no need for tb_disconnect_xdomain_paths() to do that

anymore. Furthermore it already checks if the XDomain is unplugged and

bails out early so take advantage of that and mark the XDomain as

unplugged when we remove the parent router.

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/18b3ad2a3cc877dd4b16f48d84aa27b78d53bf1dRefgit.kernel.org/stable/c/23ce6ba3b95488a2b9e9f6d43b340da0c15395dcRefgit.kernel.org/stable/c/747bc154577de6e6af4bc99abfa859b8419bb4d8Refgit.kernel.org/stable/c/7ca24cf9163c112bb6b580c6fb57c04a1f8b76e1Refgit.kernel.org/stable/c/80ac8d194831eca0c2f4fd862f7925532fda320cRefgit.kernel.org/stable/c/e2006140ad2e01a02ed0aff49cc2ae3ceeb11f8dReflists.debian.org/debian-lts-announce/2024/10/msg00003.htmlReflists.debian.org/debian-lts-announce/2025/01/msg00001.html

How CyberStrike helps

Frequently asked questions

What is CVE-2024-46702?

CVE-2024-46702 is a medium-severity vulnerability. It was published on September 13, 2024 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2024-46702?

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-2024-46702?

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-2024-46702?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2024-46702 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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