{"id":"CVE-2019-19036","details":"btrfs_root_node in fs/btrfs/ctree.c in the Linux kernel through 5.3.12 allows a NULL pointer dereference because rcu_dereference(root-\u003enode) can be zero.","modified":"2026-03-15T22:27:29.468697Z","published":"2019-11-21T02:15:23.273Z","related":["SUSE-SU-2020:0511-1","SUSE-SU-2020:0558-1","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-2020:0605-1","SUSE-SU-2020:0613-1","SUSE-SU-2020:1663-1","openSUSE-SU-2020:0336-1"],"references":[{"type":"WEB","url":"http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00021.html"},{"type":"WEB","url":"https://usn.ubuntu.com/4414-1/"},{"type":"WEB","url":"https://usn.ubuntu.com/4439-1/"},{"type":"ADVISORY","url":"https://security.netapp.com/advisory/ntap-20191205-0001/"},{"type":"EVIDENCE","url":"https://github.com/bobfuzzer/CVE/tree/master/CVE-2019-19036"}],"affected":[{"database_specific":{"unresolved_ranges":[{"events":[{"introduced":"0"},{"last_affected":"5.3.12"}]}],"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-19036.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"}]}