{"id":"CVE-2019-19318","details":"In the Linux kernel 5.3.11, mounting a crafted btrfs image twice can cause an rwsem_down_write_slowpath use-after-free because (in rwsem_can_spin_on_owner in kernel/locking/rwsem.c) rwsem_owner_flags returns an already freed pointer,","modified":"2026-03-15T22:28:02.680784Z","published":"2019-11-28T00:15:11.143Z","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":"ADVISORY","url":"http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00021.html"},{"type":"ADVISORY","url":"https://lists.debian.org/debian-lts-announce/2021/03/msg00010.html"},{"type":"ADVISORY","url":"https://security.netapp.com/advisory/ntap-20200103-0001/"},{"type":"ADVISORY","url":"https://usn.ubuntu.com/4414-1/"},{"type":"EVIDENCE","url":"https://github.com/bobfuzzer/CVE/tree/master/CVE-2019-19318"}],"affected":[{"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-19318.json","unresolved_ranges":[{"events":[{"introduced":"0"},{"last_affected":"5.0.21"}]},{"events":[{"introduced":"0"},{"last_affected":"5.3.11"}]},{"events":[{"introduced":"0"},{"last_affected":"15.1"}]},{"events":[{"introduced":"0"},{"last_affected":"14.04"}]},{"events":[{"introduced":"0"},{"last_affected":"16.04"}]},{"events":[{"introduced":"0"},{"last_affected":"18.04"}]},{"events":[{"introduced":"0"},{"last_affected":"9.0"}]},{"events":[{"introduced":"9.5"}]}]}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H"}]}