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CVE-2024-56637

7.3 · HIGH

In the Linux kernel, the following vulnerability has been resolved: netfilter: ipset: Hold module reference while requesting a module User space may unload ip_set.ko while it is itself requesting…

Published Dec 27, 2024CWE-362EPSS 0.18%

Overview

CVE-2024-56637 is a high-severity vulnerability. It was published on December 27, 2024 and has a CVSS 3.1 base score of 7.3 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.3, rated HIGH. 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:

netfilter: ipset: Hold module reference while requesting a module

User space may unload ip_set.ko while it is itself requesting a set type

backend module, leading to a kernel crash. The race condition may be

provoked by inserting an mdelay() right after the nfnl_unlock() call.

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/0e67805e805c1f3edd6f43adbe08ea14b552694bRefgit.kernel.org/stable/c/456f010bfaefde84d3390c755eedb1b0a5857c3cRefgit.kernel.org/stable/c/5bae60a933ba5d16eed55c6b279be51bcbbc79b0Refgit.kernel.org/stable/c/6099b5d3e37145484fac4b8b4070c3f1abfb3519Refgit.kernel.org/stable/c/90bf312a6b6b3d6012137f6776a4052ee85e0340Refgit.kernel.org/stable/c/ba5e070f36682d07ca7ad2a953e6c9d96be19dcaRefgit.kernel.org/stable/c/e5e2d3024753fdaca818b822e3827614bacbdccfReflists.debian.org/debian-lts-announce/2025/03/msg00001.htmlReflists.debian.org/debian-lts-announce/2025/03/msg00002.html

How CyberStrike helps

Frequently asked questions

What is CVE-2024-56637?

CVE-2024-56637 is a high-severity vulnerability. It was published on December 27, 2024 and has a CVSS 3.1 base score of 7.3 (HIGH).

How severe is CVE-2024-56637?

This vulnerability has a CVSS 3.1 base score of 7.3, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2024-56637?

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-2024-56637?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2024-56637 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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