{"id":"CVE-2022-42720","details":"Various refcounting bugs in the multi-BSS handling in the mac80211 stack in the Linux kernel 5.1 through 5.19.x before 5.19.16 could be used by local attackers (able to inject WLAN frames) to trigger use-after-free conditions to potentially execute code.","aliases":["A-253642015","ASB-A-253642015"],"modified":"2026-03-15T22:45:34.056929Z","published":"2022-10-14T00:15:09.533Z","related":["ALSA-2023:2148","ALSA-2023:2458","ALSA-2023:2736","ALSA-2023:2951","MGASA-2022-0379","MGASA-2022-0380","SUSE-SU-2022:3601-1","SUSE-SU-2022:3605-1","SUSE-SU-2022:3606-1","SUSE-SU-2022:3607-1","SUSE-SU-2022:3628-1","SUSE-SU-2022:3648-1","SUSE-SU-2022:3657-1","SUSE-SU-2022:3704-1","SUSE-SU-2022:3775-1","SUSE-SU-2022:3809-1","SUSE-SU-2022:3844-1","SUSE-SU-2022:3897-1","SUSE-SU-2022:3998-1","SUSE-SU-2022:4617-1","openSUSE-SU-2024:12437-1","openSUSE-SU-2024:13704-1"],"references":[{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GGHENNMLCWIQV2LLA56BJNFIUZ7WB4IY/"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VNN3VFQPECS6D4PS6ZWD7AFXTOSJDSSR/"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/S2KTU5LFZNQS7YNGE56MT46VHMXL3DD2/"},{"type":"ADVISORY","url":"https://lists.debian.org/debian-lts-announce/2022/11/msg00001.html"},{"type":"ADVISORY","url":"http://packetstormsecurity.com/files/169951/Kernel-Live-Patch-Security-Notice-LSN-0090-1.html"},{"type":"ADVISORY","url":"https://security.netapp.com/advisory/ntap-20230203-0008/"},{"type":"ADVISORY","url":"https://www.debian.org/security/2022/dsa-5257"},{"type":"FIX","url":"https://bugzilla.suse.com/show_bug.cgi?id=1204059"},{"type":"FIX","url":"https://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless.git/commit/?id=0b7808818cb9df6680f98996b8e9a439fa7bcc2f"},{"type":"EVIDENCE","url":"http://www.openwall.com/lists/oss-security/2022/10/13/5"}],"affected":[{"database_specific":{"unresolved_ranges":[{"events":[{"introduced":"5.1"},{"fixed":"5.4.218"}]},{"events":[{"introduced":"5.5"},{"fixed":"5.10.148"}]},{"events":[{"introduced":"5.11"},{"fixed":"5.15.74"}]},{"events":[{"introduced":"5.16"},{"fixed":"5.19.16"}]},{"events":[{"introduced":"6.0"},{"fixed":"6.0.2"}]},{"events":[{"introduced":"0"},{"last_affected":"36"}]},{"events":[{"introduced":"0"},{"last_affected":"37"}]},{"events":[{"introduced":"0"},{"last_affected":"10.0"}]},{"events":[{"introduced":"0"},{"last_affected":"11.0"}]}],"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-42720.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"}]}