CVE-2019-6974

Name	CVE-2019-6974
Description	In the Linux kernel before 4.20.8, kvm_ioctl_create_device in virt/kvm/kvm_main.c mishandles reference counting because of a race condition, leading to a use-after-free.
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)
References	DLA-1731-1, DLA-1771-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
linux (PTS)	buster	4.19.249-2	fixed
	buster (security)	4.19.269-1	fixed
	bullseye	5.10.158-2	fixed
	bullseye (security)	5.10.162-1	fixed
	bookworm	6.1.15-1	fixed
	sid	6.1.20-1	fixed

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

Package	Type	Release	Fixed Version	Origin
linux	source	jessie	3.16.64-1	DLA-1731-1
linux	source	stretch	4.9.161-1
linux	source	(unstable)	4.19.20-1
linux-4.9	source	jessie	4.9.168-1~deb8u1	DLA-1771-1

https://git.kernel.org/linus/cfa39381173d5f969daf43582c95ad679189cbc9