{"id":"CVE-2026-53182","summary":"wifi: nl80211: reject oversized EMA RNR lists","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: nl80211: reject oversized EMA RNR lists\n\nnl80211_parse_rnr_elems() stores the parsed element count in a\nu8-backed cfg80211_rnr_elems::cnt field and uses that count to size\nthe flexible array allocation.\n\nReject nested NL80211_ATTR_EMA_RNR_ELEMS input once the count reaches\n255, before incrementing it again. This keeps the parser aligned with\nthe data structure it fills and matches the existing bound check used\nby nl80211_parse_mbssid_elems().","modified":"2026-09-17T12:11:40.141773814Z","published":"2026-06-25T08:38:56.654Z","related":["ALSA-2026:65334","ALSA-2026:67150","ALSA-2026:67468","ALSA-2026:67469","SUSE-SU-2026:22521-1","SUSE-SU-2026:22522-1","SUSE-SU-2026:22665-1","SUSE-SU-2026:22666-1","SUSE-SU-2026:23066-1","SUSE-SU-2026:23068-1","SUSE-SU-2026:23221-1","SUSE-SU-2026:23231-1","SUSE-SU-2026:23237-1","SUSE-SU-2026:23259-1","SUSE-SU-2026:23260-1","SUSE-SU-2026:23261-1","SUSE-SU-2026:23262-1","SUSE-SU-2026:23263-1","SUSE-SU-2026:23264-1","SUSE-SU-2026:23265-1","SUSE-SU-2026:23266-1","SUSE-SU-2026:23267-1","SUSE-SU-2026:23268-1","SUSE-SU-2026:23269-1","SUSE-SU-2026:23270-1","SUSE-SU-2026:23271-1","SUSE-SU-2026:23272-1","SUSE-SU-2026:23280-1","SUSE-SU-2026:23281-1","SUSE-SU-2026:23282-1","SUSE-SU-2026:23283-1","SUSE-SU-2026:23284-1","SUSE-SU-2026:23285-1","SUSE-SU-2026:23286-1","SUSE-SU-2026:23287-1","SUSE-SU-2026:23288-1","SUSE-SU-2026:23290-1","SUSE-SU-2026:23291-1","SUSE-SU-2026:23292-1","SUSE-SU-2026:23293-1","SUSE-SU-2026:23296-1","SUSE-SU-2026:23329-1","SUSE-SU-2026:23330-1","SUSE-SU-2026:23331-1","SUSE-SU-2026:23332-1","SUSE-SU-2026:23333-1","SUSE-SU-2026:23334-1","SUSE-SU-2026:23335-1","SUSE-SU-2026:23336-1","SUSE-SU-2026:23337-1","SUSE-SU-2026:23338-1","SUSE-SU-2026:23339-1","SUSE-SU-2026:23340-1","SUSE-SU-2026:23341-1","SUSE-SU-2026:23343-1","SUSE-SU-2026:23366-1","SUSE-SU-2026:23367-1","SUSE-SU-2026:23368-1","SUSE-SU-2026:23369-1","SUSE-SU-2026:23370-1","SUSE-SU-2026:23371-1","SUSE-SU-2026:23372-1","SUSE-SU-2026:23373-1","SUSE-SU-2026:23374-1","SUSE-SU-2026:23375-1","SUSE-SU-2026:23376-1","SUSE-SU-2026:23377-1","SUSE-SU-2026:23378-1","SUSE-SU-2026:23379-1","SUSE-SU-2026:23383-1","SUSE-SU-2026:23384-1","SUSE-SU-2026:23385-1","SUSE-SU-2026:23386-1","SUSE-SU-2026:23387-1","SUSE-SU-2026:23388-1","SUSE-SU-2026:23389-1","SUSE-SU-2026:23390-1","SUSE-SU-2026:23416-1","SUSE-SU-2026:23417-1","SUSE-SU-2026:23418-1","SUSE-SU-2026:23419-1","SUSE-SU-2026:23420-1","SUSE-SU-2026:23421-1","SUSE-SU-2026:23422-1","SUSE-SU-2026:23423-1","SUSE-SU-2026:23424-1","SUSE-SU-2026:23425-1","SUSE-SU-2026:23426-1","SUSE-SU-2026:23427-1","SUSE-SU-2026:23428-1","SUSE-SU-2026:23429-1","SUSE-SU-2026:23430-1","SUSE-SU-2026:23431-1","SUSE-SU-2026:23432-1","SUSE-SU-2026:23433-1","SUSE-SU-2026:23434-1","SUSE-SU-2026:23435-1","SUSE-SU-2026:23436-1","SUSE-SU-2026:23437-1","SUSE-SU-2026:23482-1","SUSE-SU-2026:23483-1","SUSE-SU-2026:23484-1","SUSE-SU-2026:23485-1","SUSE-SU-2026:23531-1","SUSE-SU-2026:23532-1","SUSE-SU-2026:23533-1","SUSE-SU-2026:23541-1","SUSE-SU-2026:2799-1","SUSE-SU-2026:2800-1","SUSE-SU-2026:3156-1","SUSE-SU-2026:3689-1","SUSE-SU-2026:3694-1","SUSE-SU-2026:3696-1","SUSE-SU-2026:3697-1","SUSE-SU-2026:3698-1","SUSE-SU-2026:3699-1","SUSE-SU-2026:3704-1","SUSE-SU-2026:3719-1","SUSE-SU-2026:3726-1","SUSE-SU-2026:3746-1","SUSE-SU-2026:3748-1","SUSE-SU-2026:3754-1","SUSE-SU-2026:3760-1","SUSE-SU-2026:3761-1","SUSE-SU-2026:3768-1","SUSE-SU-2026:3770-1","SUSE-SU-2026:3771-1","SUSE-SU-2026:3774-1","SUSE-SU-2026:3775-1","SUSE-SU-2026:3776-1","SUSE-SU-2026:3777-1","SUSE-SU-2026:3779-1","openSUSE-SU-2026:21555-1"],"database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/53xxx/CVE-2026-53182.json","cna_assigner":"Linux"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/265c07c09c837621730d35f02975207a1224bf05"},{"type":"WEB","url":"https://git.kernel.org/stable/c/30c3fa80f423613efdda3deca4af52ff7d20e4e2"},{"type":"WEB","url":"https://git.kernel.org/stable/c/4cd92957e8f8cc4ebfe8a5d4203c14c592fde6b1"},{"type":"WEB","url":"https://git.kernel.org/stable/c/688fcac7054abc680c0eef753f2bb772cfaf8cf7"},{"type":"WEB","url":"https://git.kernel.org/stable/c/ecbf3c45add30a0857414e156bdb9c79906f0ff6"},{"type":"WEB","url":"https://git.kernel.org/stable/c/fc0ec2fc02dfe52c5821f36fbccf6a45df43f508"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/53xxx/CVE-2026-53182.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-53182"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"56189d7bc30531def6b999f27940ee43c6ff2569"},{"fixed":"fc0ec2fc02dfe52c5821f36fbccf6a45df43f508"}]},{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"dbbb27e183b1568d5a907ace1cd144b0709ea52a"},{"fixed":"688fcac7054abc680c0eef753f2bb772cfaf8cf7"},{"fixed":"30c3fa80f423613efdda3deca4af52ff7d20e4e2"},{"fixed":"265c07c09c837621730d35f02975207a1224bf05"},{"fixed":"ecbf3c45add30a0857414e156bdb9c79906f0ff6"},{"fixed":"4cd92957e8f8cc4ebfe8a5d4203c14c592fde6b1"}]},{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"6.1.160"},{"fixed":"6.1.176"}]}],"versions":["v6.1.175","v6.1.174","v6.1.173","v6.1.172","v6.1.171","v6.1.170","v6.1.169","v6.1.168","v6.1.167","v6.1.166","v6.1.165","v6.1.164","v6.1.163","v6.1.162","v6.1.161","v6.1.160"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-53182.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.1.176"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.2.0"},{"fixed":"6.6.143"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.4.0"},{"fixed":"6.12.94"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.7.0"},{"fixed":"6.18.36"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.13.0"},{"fixed":"7.0.13"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-53182.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"}]}