{"id":"CVE-2018-18445","details":"In the Linux kernel 4.14.x, 4.15.x, 4.16.x, 4.17.x, and 4.18.x before 4.18.13, faulty computation of numeric bounds in the BPF verifier permits out-of-bounds memory accesses because adjust_scalar_min_max_vals in kernel/bpf/verifier.c mishandles 32-bit right shifts.","modified":"2026-04-16T06:15:34.334682411Z","published":"2018-10-17T19:29:00.757Z","related":["SUSE-SU-2018:3589-1","SUSE-SU-2018:3593-1","SUSE-SU-2018:3934-1","SUSE-SU-2018:3961-1","SUSE-SU-2018:4069-1","SUSE-SU-2018:4072-1"],"references":[{"type":"ADVISORY","url":"https://usn.ubuntu.com/3835-1/"},{"type":"ADVISORY","url":"https://usn.ubuntu.com/3847-1/"},{"type":"ADVISORY","url":"https://usn.ubuntu.com/3847-3/"},{"type":"ADVISORY","url":"https://support.f5.com/csp/article/K38456756"},{"type":"ADVISORY","url":"https://usn.ubuntu.com/3832-1/"},{"type":"ADVISORY","url":"https://usn.ubuntu.com/3847-2/"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2019:0512"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2019:0514"},{"type":"FIX","url":"http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=b799207e1e1816b09e7a5920fbb2d5fcf6edd681"},{"type":"FIX","url":"https://bugs.chromium.org/p/project-zero/issues/detail?id=1686"},{"type":"FIX","url":"https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.75"},{"type":"FIX","url":"https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.18.13"},{"type":"FIX","url":"https://github.com/torvalds/linux/commit/b799207e1e1816b09e7a5920fbb2d5fcf6edd681"}],"affected":[{"database_specific":{"unresolved_ranges":[{"events":[{"introduced":"4.14.9"},{"fixed":"4.14.75"}]},{"events":[{"introduced":"4.15"},{"fixed":"4.18.13"}]},{"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":"18.10"}]},{"events":[{"introduced":"0"},{"last_affected":"7.0"}]},{"events":[{"introduced":"0"},{"last_affected":"7.0"}]},{"events":[{"introduced":"0"},{"last_affected":"7.6"}]},{"events":[{"introduced":"0"},{"last_affected":"7.6"}]},{"events":[{"introduced":"0"},{"last_affected":"7.6"}]},{"events":[{"introduced":"0"},{"last_affected":"7.6"}]},{"events":[{"introduced":"0"},{"last_affected":"7.0"}]}],"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-18445.json"}}],"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"}]}