{"id":"CVE-2018-14734","details":"drivers/infiniband/core/ucma.c in the Linux kernel through 4.17.11 allows ucma_leave_multicast to access a certain data structure after a cleanup step in ucma_process_join, which allows attackers to cause a denial of service (use-after-free).","modified":"2026-03-15T22:19:10.849909Z","published":"2018-07-29T23:29:00.267Z","related":["SUSE-SU-2018:2328-1","SUSE-SU-2018:2344-1","SUSE-SU-2018:2344-2","SUSE-SU-2018:2362-1","SUSE-SU-2018:2374-1","SUSE-SU-2018:2384-1","SUSE-SU-2018:2596-1","SUSE-SU-2018:2879-1","SUSE-SU-2018:2907-1","SUSE-SU-2018:3088-1","SUSE-SU-2019:1422-1","SUSE-SU-2019:1437-1","SUSE-SU-2019:1489-1"],"references":[{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2019:2043"},{"type":"ADVISORY","url":"https://usn.ubuntu.com/3847-2/"},{"type":"ADVISORY","url":"https://usn.ubuntu.com/3847-3/"},{"type":"ADVISORY","url":"https://usn.ubuntu.com/3849-1/"},{"type":"ADVISORY","url":"https://usn.ubuntu.com/3849-2/"},{"type":"ADVISORY","url":"https://www.debian.org/security/2018/dsa-4308"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2019:2029"},{"type":"ADVISORY","url":"https://lists.debian.org/debian-lts-announce/2018/10/msg00003.html"},{"type":"ADVISORY","url":"https://usn.ubuntu.com/3797-1/"},{"type":"ADVISORY","url":"https://usn.ubuntu.com/3797-2/"},{"type":"ADVISORY","url":"https://usn.ubuntu.com/3847-1/"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2019:0831"},{"type":"FIX","url":"http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=cb2595c1393b4a5211534e6f0a0fbad369e21ad8"},{"type":"FIX","url":"https://github.com/torvalds/linux/commit/cb2595c1393b4a5211534e6f0a0fbad369e21ad8"}],"affected":[{"database_specific":{"unresolved_ranges":[{"events":[{"introduced":"0"},{"last_affected":"4.17.11"}]},{"events":[{"introduced":"0"},{"last_affected":"12.04"}]},{"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"}]}],"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-14734.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"}]}