{"id":"CVE-2020-25671","details":"A vulnerability was found in Linux Kernel, where a refcount leak in llcp_sock_connect() causing use-after-free which might lead to privilege escalations.","modified":"2026-03-13T00:36:57.450216Z","published":"2021-05-26T11:15:08.547Z","related":["MGASA-2021-0191","MGASA-2021-0192","SUSE-SU-2021:1210-1","SUSE-SU-2021:1211-1","SUSE-SU-2021:1238-1","SUSE-SU-2021:1248-1","SUSE-SU-2021:1266-1","SUSE-SU-2021:1301-1","SUSE-SU-2021:1573-1","SUSE-SU-2021:1596-1","SUSE-SU-2021:1617-1","SUSE-SU-2021:1623-1","SUSE-SU-2021:1624-1","SUSE-SU-2021:1625-1","SUSE-SU-2021:1975-1","SUSE-SU-2021:1977-1","SUSE-SU-2022:0234-1","SUSE-SU-2022:0243-1","SUSE-SU-2022:0255-1","SUSE-SU-2022:0263-1","SUSE-SU-2022:0291-1","SUSE-SU-2022:0293-1","SUSE-SU-2022:0296-1","SUSE-SU-2022:0325-1","openSUSE-SU-2021:0579-1","openSUSE-SU-2021:0758-1","openSUSE-SU-2021:1975-1","openSUSE-SU-2021:1977-1"],"references":[{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PW3OASG7OEMHANDWBM5US5WKTOC76KMH/"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UTVACC6PGS6OSD3EYY7FZUAZT2EUMFH5/"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VEIEGQXUW37YHZ5MTAZTDCIMHUN26NJS/"},{"type":"ADVISORY","url":"https://lists.debian.org/debian-lts-announce/2021/06/msg00019.html"},{"type":"ADVISORY","url":"https://security.netapp.com/advisory/ntap-20210702-0008/"},{"type":"ADVISORY","url":"https://lists.debian.org/debian-lts-announce/2021/06/msg00020.html"},{"type":"FIX","url":"http://www.openwall.com/lists/oss-security/2020/11/01/1"},{"type":"FIX","url":"https://www.openwall.com/lists/oss-security/2020/11/01/1"}],"affected":[{"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2020-25671.json","unresolved_ranges":[{"events":[{"introduced":"3.6"},{"fixed":"4.4.267"}]},{"events":[{"introduced":"4.5"},{"fixed":"4.9.267"}]},{"events":[{"introduced":"4.10"},{"fixed":"4.14.231"}]},{"events":[{"introduced":"4.15"},{"fixed":"4.19.187"}]},{"events":[{"introduced":"4.20"},{"fixed":"5.4.112"}]},{"events":[{"introduced":"5.5"},{"fixed":"5.10.30"}]},{"events":[{"introduced":"5.11"},{"fixed":"5.11.14"}]},{"events":[{"introduced":"0"},{"last_affected":"32"}]},{"events":[{"introduced":"0"},{"last_affected":"33"}]},{"events":[{"introduced":"0"},{"last_affected":"34"}]},{"events":[{"introduced":"0"},{"last_affected":"9.0"}]}]}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"}]}