{"id":"CVE-2019-18885","details":"fs/btrfs/volumes.c in the Linux kernel before 5.1 allows a btrfs_verify_dev_extents NULL pointer dereference via a crafted btrfs image because fs_devices-\u003edevices is mishandled within find_device, aka CID-09ba3bc9dd15.","modified":"2026-03-15T22:27:28.008751Z","published":"2019-11-14T14:15:11.630Z","references":[{"type":"WEB","url":"https://usn.ubuntu.com/4254-1/"},{"type":"WEB","url":"https://usn.ubuntu.com/4254-2/"},{"type":"WEB","url":"https://usn.ubuntu.com/4287-1/"},{"type":"WEB","url":"https://usn.ubuntu.com/4287-2/"},{"type":"WEB","url":"http://packetstormsecurity.com/files/156185/Kernel-Live-Patch-Security-Notice-LSN-0062-1.html"},{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2020/08/msg00019.html"},{"type":"WEB","url":"https://usn.ubuntu.com/4258-1/"},{"type":"WEB","url":"https://www.oracle.com/security-alerts/cpuApr2021.html"},{"type":"ADVISORY","url":"https://security.netapp.com/advisory/ntap-20191205-0001/"},{"type":"FIX","url":"https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=09ba3bc9dd150457c506e4661380a6183af651c1"},{"type":"FIX","url":"https://github.com/torvalds/linux/commit/09ba3bc9dd150457c506e4661380a6183af651c1"},{"type":"EVIDENCE","url":"https://github.com/bobfuzzer/CVE-2019-18885"}],"affected":[{"database_specific":{"unresolved_ranges":[{"events":[{"introduced":"0"},{"fixed":"5.1"}]}],"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-18885.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"}]}