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CVE-2024-2494

6.2 · MEDIUM

A flaw was found in the RPC library APIs of libvirt.

Published Mar 21, 2024CWE-789EPSS 0.37%

Overview

CVE-2024-2494 is a medium-severity vulnerability. It was published on March 21, 2024 and has a CVSS 3.1 base score of 6.2 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 6.2, rated MEDIUM. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

Technical description

A flaw was found in the RPC library APIs of libvirt. The RPC server deserialization code allocates memory for arrays before the non-negative length check is performed by the C API entry points. Passing a negative length to the g_new0 function results in a crash due to the negative length being treated as a huge positive number. This flaw allows a local, unprivileged user to perform a denial of service attack by causing the libvirt daemon to crash.

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

Refaccess.redhat.com/errata/RHSA-2024:2560Refaccess.redhat.com/errata/RHSA-2024:3253Refaccess.redhat.com/security/cve/CVE-2024-2494Refbugzilla.redhat.com/show_bug.cgi?id=2270115Reflists.libvirt.org/archives/list/[email protected]/thread/BKRQXPLPC6B7FLHJXSBQYW7HNDEBW6RJ/Refaccess.redhat.com/errata/RHSA-2024:2560Refaccess.redhat.com/errata/RHSA-2024:3253Refaccess.redhat.com/security/cve/CVE-2024-2494Refbugzilla.redhat.com/show_bug.cgi?id=2270115Reflists.debian.org/debian-lts-announce/2024/04/msg00000.html

How CyberStrike helps

Frequently asked questions

What is CVE-2024-2494?

CVE-2024-2494 is a medium-severity vulnerability. It was published on March 21, 2024 and has a CVSS 3.1 base score of 6.2 (MEDIUM).

How severe is CVE-2024-2494?

This vulnerability has a CVSS 3.1 base score of 6.2, rated MEDIUM. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2024-2494?

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-2024-2494?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2024-2494 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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