CVE-2024-31143

Name	CVE-2024-31143
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.
Source	CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
References	DSA-5836-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
xen (PTS)	bullseye	4.14.6-1	vulnerable
	bullseye (security)	4.14.5+94-ge49571868d-1	vulnerable
	bookworm	4.17.5+23-ga4e5191dc0-1+deb12u1	fixed
	bookworm (security)	4.17.5+23-ga4e5191dc0-1	fixed
	forky, sid, trixie	4.20.0+68-g35cb38b222-1	fixed

The information below is based on the following data on fixed versions.

Package	Type	Release	Fixed Version	Urgency	Origin
xen	source	experimental	4.19.0+14-g0918434e0f-1~exp1
xen	source	bullseye	(unfixed)	end-of-life
xen	source	bookworm	4.17.5+23-ga4e5191dc0-1		DSA-5836-1
xen	source	(unstable)	4.19.1-1

[bullseye] - xen <end-of-life> (EOLed in Bullseye)
https://xenbits.xen.org/xsa/advisory-458.html