{"id":"CVE-2018-17977","details":"The Linux kernel 4.14.67 mishandles certain interaction among XFRM Netlink messages, IPPROTO_AH packets, and IPPROTO_IP packets, which allows local users to cause a denial of service (memory consumption and system hang) by leveraging root access to execute crafted applications, as demonstrated on CentOS 7.","modified":"2026-03-12T22:49:20.666287Z","published":"2018-10-08T17:29:00.653Z","references":[{"type":"ADVISORY","url":"http://www.securityfocus.com/bid/105539"},{"type":"ADVISORY","url":"https://www.openwall.com/lists/oss-security/2018/10/05/5"}],"affected":[{"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2018-17977.json","unresolved_ranges":[{"events":[{"introduced":"0"},{"last_affected":"4.14.67"}]}]}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H"}]}