{"id":"CVE-2018-17182","details":"An issue was discovered in the Linux kernel through 4.18.8. The vmacache_flush_all function in mm/vmacache.c mishandles sequence number overflows. An attacker can trigger a use-after-free (and possibly gain privileges) via certain thread creation, map, unmap, invalidation, and dereference operations.","modified":"2026-03-15T22:25:44.562629Z","published":"2018-09-19T09:29:00.620Z","related":["MGASA-2018-0391","MGASA-2018-0418","MGASA-2018-0419","SUSE-SU-2018:3003-1","SUSE-SU-2018:3004-1","SUSE-SU-2018:3032-1","SUSE-SU-2018:3032-2","SUSE-SU-2018:3083-1","SUSE-SU-2018:3084-1","SUSE-SU-2018:3100-1","SUSE-SU-2018:3158-1","SUSE-SU-2018:3159-1","SUSE-SU-2018:3164-1","SUSE-SU-2018:3171-1","SUSE-SU-2018:3172-1","SUSE-SU-2018:3173-1","SUSE-SU-2018:3238-1","SUSE-SU-2018:3272-1","SUSE-SU-2018:3331-1","SUSE-SU-2018:3659-1","SUSE-SU-2018:3961-1","SUSE-SU-2019:0095-1"],"references":[{"type":"ADVISORY","url":"https://usn.ubuntu.com/3777-1/"},{"type":"ADVISORY","url":"http://www.securityfocus.com/bid/105417"},{"type":"ADVISORY","url":"https://usn.ubuntu.com/3776-1/"},{"type":"ADVISORY","url":"https://usn.ubuntu.com/3777-3/"},{"type":"ADVISORY","url":"https://lists.debian.org/debian-lts-announce/2018/10/msg00003.html"},{"type":"ADVISORY","url":"https://usn.ubuntu.com/3776-2/"},{"type":"ADVISORY","url":"https://usn.ubuntu.com/3777-2/"},{"type":"ADVISORY","url":"https://www.debian.org/security/2018/dsa-4308"},{"type":"ADVISORY","url":"http://www.securityfocus.com/bid/106503"},{"type":"ADVISORY","url":"https://www.openwall.com/lists/oss-security/2018/09/18/4"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2018:3656"},{"type":"FIX","url":"https://github.com/torvalds/linux/commit/7a9cdebdcc17e426fb5287e4a82db1dfe86339b2"},{"type":"FIX","url":"https://security.netapp.com/advisory/ntap-20190204-0001/"},{"type":"FIX","url":"http://www.securitytracker.com/id/1041748"},{"type":"FIX","url":"http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=7a9cdebdcc17e426fb5287e4a82db1dfe86339b2"},{"type":"EVIDENCE","url":"https://www.exploit-db.com/exploits/45497/"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git","events":[{"introduced":"0"},{"fixed":"7a9cdebdcc17e426fb5287e4a82db1dfe86339b2"}]},{"type":"GIT","repo":"https://github.com/torvalds/linux","events":[{"introduced":"0"},{"fixed":"7a9cdebdcc17e426fb5287e4a82db1dfe86339b2"}]},{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git","events":[{"introduced":"0"},{"fixed":"7a9cdebdcc17e426fb5287e4a82db1dfe86339b2"}]},{"type":"GIT","repo":"https://github.com/torvalds/linux","events":[{"introduced":"0"},{"fixed":"7a9cdebdcc17e426fb5287e4a82db1dfe86339b2"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-17182.json","unresolved_ranges":[{"events":[{"introduced":"3.16"},{"fixed":"3.16.58"}]},{"events":[{"introduced":"3.17"},{"fixed":"3.18.123"}]},{"events":[{"introduced":"3.19"},{"fixed":"4.4.157"}]},{"events":[{"introduced":"4.5"},{"fixed":"4.9.128"}]},{"events":[{"introduced":"4.10"},{"fixed":"4.14.71"}]},{"events":[{"introduced":"4.15"},{"fixed":"4.18.9"}]},{"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":"8.0"}]},{"events":[{"introduced":"0"},{"last_affected":"9.0"}]},{"events":[{"introduced":"0"},{"last_affected":"4.18.8."}]}]}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"}]}