CVE-2019-19816

Name	CVE-2019-19816
Description	In the Linux kernel 5.0.21, mounting a crafted btrfs filesystem image and performing some operations can cause slab-out-of-bounds write access in __btrfs_map_block in fs/btrfs/volumes.c, because a value of 1 for the number of data stripes is mishandled.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
References	DLA-2385-1, DLA-2483-1, DLA-2586-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
linux (PTS)	bullseye	5.10.223-1	fixed
	bullseye (security)	5.10.226-1	fixed
	bookworm	6.1.115-1	fixed
	bookworm (security)	6.1.119-1	fixed
	sid, trixie	6.12.6-1	fixed

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

Package	Type	Release	Fixed Version	Origin
linux	source	stretch	4.9.258-1	DLA-2586-1
linux	source	buster	4.19.160-1
linux	source	(unstable)	5.2.6-1
linux-4.19	source	stretch	4.19.160-2~deb9u1	DLA-2483-1

https://git.kernel.org/linus/6bf9e4bd6a277840d3fe8c5d5d530a1fbd3db592