CVE-2021-3559

Name	CVE-2021-3559
Description	A flaw was found in libvirt in the virConnectListAllNodeDevices API in versions before 7.0.0. It only affects hosts with a PCI device and driver that supports mediated devices (e.g., GRID driver). This flaw could be used by an unprivileged client with a read-only connection to crash the libvirt daemon by executing the 'nodedev-list' virsh command. The highest threat from this vulnerability is to system availability.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
libvirt (PTS)	buster	5.0.0-4+deb10u1	fixed
	bullseye	7.0.0-3	fixed
	bookworm, sid	9.0.0-2	fixed

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

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
libvirt	source	(unstable)	(not affected)

Notes

- libvirt <not-affected> (Vulnerable code never in a released version)
Fixed by: https://gitlab.com/libvirt/libvirt/-/commit/4c4d0e2da07b5a035b26a0ff13ec27070f7c7b1a (v7.0.0-rc1)
Introduced by: https://gitlab.com/libvirt/libvirt/-/commit/f1b08901f7ae7557f79d83bdac33cc0bd79d1437 (v6.10.0-rc1)