{"id":"CVE-2019-19767","details":"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.","modified":"2026-03-15T22:28:05.840107Z","published":"2019-12-12T20:15:17.583Z","related":["ALSA-2020:4431","SUSE-SU-2019:3381-1","SUSE-SU-2020:0093-1","SUSE-SU-2020:0511-1","SUSE-SU-2020:0559-1","SUSE-SU-2020:0560-1","SUSE-SU-2020:0580-1","SUSE-SU-2020:0584-1","SUSE-SU-2020:0599-1","SUSE-SU-2020:0613-1","SUSE-SU-2020:1255-1","SUSE-SU-2020:1275-1","openSUSE-SU-2020:0336-1"],"references":[{"type":"WEB","url":"http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00021.html"},{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2020/03/msg00001.html"},{"type":"WEB","url":"https://usn.ubuntu.com/4284-1/"},{"type":"WEB","url":"https://usn.ubuntu.com/4287-1/"},{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2020/01/msg00013.html"},{"type":"WEB","url":"https://usn.ubuntu.com/4258-1/"},{"type":"WEB","url":"https://usn.ubuntu.com/4287-2/"},{"type":"ADVISORY","url":"https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.2"},{"type":"ADVISORY","url":"https://security.netapp.com/advisory/ntap-20200103-0001/"},{"type":"REPORT","url":"https://bugzilla.kernel.org/show_bug.cgi?id=205609"},{"type":"REPORT","url":"https://bugzilla.kernel.org/show_bug.cgi?id=205707"},{"type":"FIX","url":"https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=4ea99936a1630f51fc3a2d61a58ec4a1c4b7d55a"},{"type":"FIX","url":"https://github.com/torvalds/linux/commit/4ea99936a1630f51fc3a2d61a58ec4a1c4b7d55a"}],"affected":[{"database_specific":{"unresolved_ranges":[{"events":[{"introduced":"0"},{"fixed":"5.4.2"}]}],"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-19767.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"}]}