Cyber Resilience

CVE-2024-31143

High

Published: 18 July 2024

Published
18 July 2024
Modified
14 January 2026
KEV Added
Patch
CVSS Score v3.1 7.5 CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.0057 69.0th percentile
Risk Priority 15 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2024-31143 is a high-severity Unlock of a Resource that is not Locked (CWE-832) vulnerability in Xen Xen. Its CVSS base score is 7.5 (High).

Operationally, ranked in the top 31.0% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

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…

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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.

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

xen
xen
≥ 4.4.0

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References