CVE ID:	CVE-2019-19767
Description:	The Linux kernel before 5.4.2 mishandles ext4_expand_extra_isize, as demonstrated by use-after-free errors in __ext4_expand_extra_isize and ext4_xattr_set_entry, related to fs/ext4/inode.c and fs/ext4/super.c, aka CID-4ea99936a163.
Test IDs:	None available
Cross References:	Common Vulnerability Exposure (CVE) ID: CVE-2019-19767 https://bugzilla.kernel.org/show_bug.cgi?id=205609 https://bugzilla.kernel.org/show_bug.cgi?id=205707 https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.2 https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=4ea99936a1630f51fc3a2d61a58ec4a1c4b7d55a https://github.com/torvalds/linux/commit/4ea99936a1630f51fc3a2d61a58ec4a1c4b7d55a https://lists.debian.org/debian-lts-announce/2020/01/msg00013.html https://lists.debian.org/debian-lts-announce/2020/03/msg00001.html SuSE Security Announcement: openSUSE-SU-2020:0336 (Google Search) http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00021.html https://usn.ubuntu.com/4258-1/ https://usn.ubuntu.com/4284-1/ https://usn.ubuntu.com/4287-1/ https://usn.ubuntu.com/4287-2/