CVE-2019-19814

Name	CVE-2019-19814
Description	In the Linux kernel 5.0.21, mounting a crafted f2fs filesystem image can cause __remove_dirty_segment slab-out-of-bounds write access because an array is bounded by the number of dirty types (8) but the array index can exceed this.
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
linux (PTS)	buster	4.19.249-2	vulnerable
	buster (security)	4.19.269-1	vulnerable
	bullseye	5.10.158-2	vulnerable
	bullseye (security)	5.10.162-1	vulnerable
	bookworm, sid	6.1.8-1	vulnerable

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

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
linux	source	(unstable)	(unfixed)

[bullseye] - linux <no-dsa> (Minor issue)
[buster] - linux <no-dsa> (Minor issue)
[stretch] - linux <ignored> (Minor issue; f2fs is not supportable)