{"id":"CVE-2017-18216","details":"In fs/ocfs2/cluster/nodemanager.c in the Linux kernel before 4.15, local users can cause a denial of service (NULL pointer dereference and BUG) because a required mutex is not used.","modified":"2026-03-15T22:17:27.172739Z","published":"2018-03-05T18:29:00.360Z","references":[{"type":"WEB","url":"https://usn.ubuntu.com/3776-2/"},{"type":"WEB","url":"https://usn.ubuntu.com/3798-1/"},{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2018/05/msg00000.html"},{"type":"WEB","url":"https://usn.ubuntu.com/3776-1/"},{"type":"WEB","url":"https://usn.ubuntu.com/3798-2/"},{"type":"ADVISORY","url":"https://www.debian.org/security/2018/dsa-4188"},{"type":"ADVISORY","url":"https://www.debian.org/security/2018/dsa-4187"},{"type":"ADVISORY","url":"http://www.securityfocus.com/bid/103278"},{"type":"FIX","url":"http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=853bc26a7ea39e354b9f8889ae7ad1492ffa28d2"},{"type":"FIX","url":"https://github.com/torvalds/linux/commit/853bc26a7ea39e354b9f8889ae7ad1492ffa28d2"}],"affected":[{"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2017-18216.json","unresolved_ranges":[{"events":[{"introduced":"0"},{"fixed":"4.15"}]}]}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"}]}