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CVE-2024-56704

8.4 · HIGH

In the Linux kernel, the following vulnerability has been resolved: 9p/xen: fix release of IRQ Kernel logs indicate an IRQ was double-freed.

Published Dec 28, 2024CWE-415EPSS 0.24%

Overview

CVE-2024-56704 is a high-severity vulnerability. It was published on December 28, 2024 and has a CVSS 3.1 base score of 8.4 (HIGH).

This vulnerability has a CVSS 3.1 base score of 8.4, rated HIGH. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

Technical description

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

9p/xen: fix release of IRQ

Kernel logs indicate an IRQ was double-freed.

Pass correct device ID during IRQ release.

[Dominique: remove confusing variable reset to 0]

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/2bb3ee1bf237557daea1d58007d2e1d4a6502ccfRefgit.kernel.org/stable/c/4950408793b118cb8075bcee1f033b543fb719faRefgit.kernel.org/stable/c/530bc9f03a102fac95b07cda513bfc16ff69e0eeRefgit.kernel.org/stable/c/692eb06703afc3e24d889d77e94a0e20229f6a4aRefgit.kernel.org/stable/c/7f5a2ed5c1810661e6b03f5a4ebf17682cdea850Refgit.kernel.org/stable/c/b9e26059664bd9ebc64a0e8f5216266fc9f84265Refgit.kernel.org/stable/c/d74b4b297097bd361b8a9abfde9b521ff464ea9cRefgit.kernel.org/stable/c/d888f5f5d76b2722c267e6bdf51d445d60647b7bRefgit.kernel.org/stable/c/e43c608f40c065b30964f0a806348062991b802dReflists.debian.org/debian-lts-announce/2025/03/msg00001.html

How CyberStrike helps

Frequently asked questions

What is CVE-2024-56704?

CVE-2024-56704 is a high-severity vulnerability. It was published on December 28, 2024 and has a CVSS 3.1 base score of 8.4 (HIGH).

How severe is CVE-2024-56704?

This vulnerability has a CVSS 3.1 base score of 8.4, rated HIGH. 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-2024-56704?

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-2024-56704?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2024-56704 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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