CVE-2024-31143
highpriority · track · 0EPSS 0.005 · 43 %ileDEEURUUSEPSS · scored 2026-10-27
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.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.9–7.5
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (44)
Products and version ranges known to be affected.
advisories (1)
Vendor and ecosystem advisories describing this.
- WID-SEC-W-2024-1632Xen: Mehrere SchwachstellenDeutsch2024-07-16csaf · cert_bundDE
Ein lokaler Angreifer kann mehrere Schwachstellen in Xen ausnutzen, um seine Privilegien zu erhöhen, vertrauliche Informationen offenzulegen, einen Denial-of-Service-Zustand zu erzeugen und Daten zu manipulieren.
also known as (4)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (9)
External citations — patches, advisories, analysis.
- http://www.openwall.com/lists/oss-security/2024/07/16/3cnnvd
- http://xenbits.xen.org/xsa/advisory-458.htmlcnnvd
- https://cxsecurity.com/cveshow/CVE-2024-31143/cnnvd
- https://vigilance.fr/vulnerability/Xen-denial-of-service-via-double-unlock-44764cnnvd
- https://xenbits.xenproject.org/xsa/advisory-458.htmlcnnvd
- https://xenbits.xenproject.org/xsa/advisory-458.htmlenisa_euvd
- http://www.openwall.com/lists/oss-security/2024/07/16/3Mailing ListThird Party Advisorynvd
- http://xenbits.xen.org/xsa/advisory-458.htmlPatchVendor Advisorynvd
Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.
Free scan