CVE-2019-19037

Name	CVE-2019-19037
Description	ext4_empty_dir in fs/ext4/namei.c in the Linux kernel through 5.3.12 allows a NULL pointer dereference because ext4_read_dirblock(inode,0,DIRENT_HTREE) can be zero.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
References	DLA-2114-1
NVD severity	medium

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
linux (PTS)	stretch	4.9.228-1	fixed
	stretch (security)	4.9.246-2	fixed
	buster, buster (security)	4.19.171-2	fixed
	bullseye	5.10.13-1	fixed
	sid	5.10.19-1	fixed

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

Package	Type	Release	Fixed Version	Origin
linux	source	jessie	(not affected)
linux	source	stretch	4.9.210-1
linux	source	buster	4.19.98-1
linux	source	(unstable)	5.4.8-1
linux-4.9	source	jessie	4.9.210-1~deb8u1	DLA-2114-1

[jessie] - linux <not-affected> (Vulnerability introduced later)