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CVE-2024-26621

8.2 · HIGH

In the Linux kernel, the following vulnerability has been resolved: mm: huge_memory: don't force huge page alignment on 32 bit commit efa7df3e3bb5 ("mm: align larger anonymous mappings on THP bou…

Published Mar 2, 2024EPSS 1.01%

Overview

CVE-2024-26621 is a high-severity vulnerability. It was published on March 2, 2024 and has a CVSS 3.1 base score of 8.2 (HIGH).

This vulnerability has a CVSS 3.1 base score of 8.2, 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:

mm: huge_memory: don't force huge page alignment on 32 bit

commit efa7df3e3bb5 ("mm: align larger anonymous mappings on THP

boundaries") caused two issues [1] [2] reported on 32 bit system or compat

userspace.

It doesn't make too much sense to force huge page alignment on 32 bit

system due to the constrained virtual address space.

[1] https://lore.kernel.org/linux-mm/[email protected]/

[2] https://lore.kernel.org/linux-mm/CAJuCfpHXLdQy1a2B6xN2d7quTYwg2OoZseYPZTRpU0eHHKD-sQ@mail.gmail.com/

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/4ef9ad19e17676b9ef071309bc62020e2373705dRefgit.kernel.org/stable/c/6ea9aa8d97e6563676094cb35755884173269555Refgit.kernel.org/stable/c/7432376c913381c5f24d373a87ff629bbde94b47Refgit.kernel.org/stable/c/87632bc9ecff5ded93433bc0fca428019bdd1cfeRefwww.openwall.com/lists/oss-security/2024/07/08/3Refwww.openwall.com/lists/oss-security/2024/07/08/4Refwww.openwall.com/lists/oss-security/2024/07/08/5Refwww.openwall.com/lists/oss-security/2024/07/08/6Refwww.openwall.com/lists/oss-security/2024/07/08/7Refwww.openwall.com/lists/oss-security/2024/07/08/8

How CyberStrike helps

Frequently asked questions

What is CVE-2024-26621?

CVE-2024-26621 is a high-severity vulnerability. It was published on March 2, 2024 and has a CVSS 3.1 base score of 8.2 (HIGH).

How severe is CVE-2024-26621?

This vulnerability has a CVSS 3.1 base score of 8.2, 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-2024-26621?

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-2024-26621?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2024-26621 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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