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CVE-2024-31143

7.5 · HIGH

An optional feature of PCI MSI called "Multiple Message" allows a device to use multiple consecutive interrupt vectors.

Published Jul 18, 2024CWE-832EPSS 0.51%

Overview

CVE-2024-31143 is a high-severity vulnerability. It was published on July 18, 2024 and has a CVSS 3.1 base score of 7.5 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical description

An optional feature of PCI MSI called "Multiple Message" allows a

device to use multiple consecutive interrupt vectors. Unlike for MSI-X,

the setting up of these consecutive vectors needs to happen all in one

go. In this handling an error path could be taken in different

situations, with or without a particular lock held. This error path

wrongly releases the lock even when it is not currently held.

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

Refxenbits.xenproject.org/xsa/advisory-458.htmlRefwww.openwall.com/lists/oss-security/2024/07/16/3Refxenbits.xen.org/xsa/advisory-458.htmlRefxenbits.xenproject.org/xsa/advisory-458.html

How CyberStrike helps

Frequently asked questions

What is CVE-2024-31143?

CVE-2024-31143 is a high-severity vulnerability. It was published on July 18, 2024 and has a CVSS 3.1 base score of 7.5 (HIGH).

How severe is CVE-2024-31143?

This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2024-31143?

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-2024-31143?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2024-31143 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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