{"id":"CVE-2019-19462","details":"relay_open in kernel/relay.c in the Linux kernel through 5.4.1 allows local users to cause a denial of service (such as relay blockage) by triggering a NULL alloc_percpu result.","modified":"2026-03-15T21:45:06.709011Z","published":"2019-11-30T01:15:10.383Z","related":["MGASA-2020-0333","SUSE-SU-2020:1587-1","SUSE-SU-2020:1599-1","SUSE-SU-2020:1602-1","SUSE-SU-2020:1603-1","SUSE-SU-2020:1604-1","SUSE-SU-2020:1605-1","SUSE-SU-2020:1663-1","SUSE-SU-2020:2027-1","SUSE-SU-2020:2105-1","SUSE-SU-2020:2156-1","SUSE-SU-2020:2478-1","SUSE-SU-2020:2487-1","openSUSE-SU-2020:0801-1","openSUSE-SU-2020:0935-1","openSUSE-SU-2021:0242-1"],"references":[{"type":"WEB","url":"https://lore.kernel.org/lkml/20191129013745.7168-1-dja%40axtens.net/"},{"type":"ADVISORY","url":"https://usn.ubuntu.com/4440-1/"},{"type":"ADVISORY","url":"https://www.debian.org/security/2020/dsa-4698"},{"type":"ADVISORY","url":"http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00008.html"},{"type":"ADVISORY","url":"https://usn.ubuntu.com/4439-1/"},{"type":"ADVISORY","url":"https://www.debian.org/security/2020/dsa-4699"},{"type":"ADVISORY","url":"http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00022.html"},{"type":"ADVISORY","url":"https://lists.debian.org/debian-lts-announce/2020/06/msg00012.html"},{"type":"ADVISORY","url":"https://syzkaller.appspot.com/bug?id=e4265490d26d6c01cd9bc79dc915ef0a1bf15046"},{"type":"ADVISORY","url":"https://usn.ubuntu.com/4425-1/"},{"type":"ADVISORY","url":"https://security.netapp.com/advisory/ntap-20210129-0004/"},{"type":"ADVISORY","url":"https://syzkaller.appspot.com/bug?id=f4d1cb4330bd3ddf4a628332b4285407b2eedd7b"},{"type":"ADVISORY","url":"https://usn.ubuntu.com/4414-1/"},{"type":"FIX","url":"https://syzkaller-ppc64.appspot.com/bug?id=1c09906c83a8ea811a9e318c2a4f8e243becc6f8"},{"type":"FIX","url":"https://syzkaller-ppc64.appspot.com/bug?id=b05b4d005191cc375cdf848c3d4d980308d50531"}],"affected":[{"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-19462.json","unresolved_ranges":[{"events":[{"introduced":"0"},{"last_affected":"5.4.1"}]},{"events":[{"introduced":"9.5"}]},{"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":"20.04"}]},{"events":[{"introduced":"0"},{"last_affected":"15.1"}]},{"events":[{"introduced":"0"},{"last_affected":"15.2"}]},{"events":[{"introduced":"0"},{"last_affected":"8.0"}]},{"events":[{"introduced":"0"},{"last_affected":"9.0"}]},{"events":[{"introduced":"0"},{"last_affected":"10.0"}]}]}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"}]}