{"id":"CVE-2017-18221","details":"The __munlock_pagevec function in mm/mlock.c in the Linux kernel before 4.11.4 allows local users to cause a denial of service (NR_MLOCK accounting corruption) via crafted use of mlockall and munlockall system calls.","modified":"2026-03-12T22:36:56.522529Z","published":"2018-03-07T08:29:00.263Z","related":["SUSE-SU-2018:0834-1","SUSE-SU-2018:0848-1"],"references":[{"type":"WEB","url":"https://usn.ubuntu.com/3655-1/"},{"type":"WEB","url":"https://usn.ubuntu.com/3655-2/"},{"type":"ADVISORY","url":"https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.11.4"},{"type":"ADVISORY","url":"http://www.securityfocus.com/bid/103321"},{"type":"FIX","url":"https://github.com/torvalds/linux/commit/70feee0e1ef331b22cc51f383d532a0d043fbdcc"},{"type":"FIX","url":"http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=70feee0e1ef331b22cc51f383d532a0d043fbdcc"}],"affected":[{"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2017-18221.json","unresolved_ranges":[{"events":[{"introduced":"0"},{"fixed":"4.11.4"}]}]}}],"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"}]}