{"id":"CVE-2026-53182","revision":null,"records":[{"revision":"c5025d0e9fde44f38abb49deaef56de0","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-53182","aliases":[],"title":"wifi: nl80211: reject oversized EMA RNR lists","description":"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().","state":0,"publishedAt":"2026-06-25T08:38:56.654+00:00","modifiedAt":"2026-10-19T19:57:26.414+00:00","affected":[{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n \"product\": \"Linux\",\n \"vendor\": \"Linux\",\n \"defaultStatus\": \"unaffected\",\n \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n \"programFiles\": [\n \"net/wireless/nl80211.c\"\n ],\n \"versions\": [\n {\n \"version\": \"56189d7bc30531def6b999f27940ee43c6ff2569\",\n \"lessThan\": \"fc0ec2fc02dfe52c5821f36fbccf6a45df43f508\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"dbbb27e183b1568d5a907ace1cd144b0709ea52a\",\n \"lessThan\": \"688fcac7054abc680c0eef753f2bb772cfaf8cf7\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"dbbb27e183b1568d5a907ace1cd144b0709ea52a\",\n \"lessThan\": \"30c3fa80f423613efdda3deca4af52ff7d20e4e2\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"dbbb27e183b1568d5a907ace1cd144b0709ea52a\",\n \"lessThan\": \"265c07c09c837621730d35f02975207a1224bf05\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"dbbb27e183b1568d5a907ace1cd144b0709ea52a\",\n \"lessThan\": \"ecbf3c45add30a0857414e156bdb9c79906f0ff6\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"dbbb27e183b1568d5a907ace1cd144b0709ea52a\",\n \"lessThan\": \"4cd92957e8f8cc4ebfe8a5d4203c14c592fde6b1\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"6.1.160\",\n \"lessThan\": \"6.1.176\",\n \"status\": \"affected\",\n \"versionType\": \"semver\"\n }\n ]\n }"},{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n \"product\": \"Linux\",\n \"vendor\": \"Linux\",\n \"defaultStatus\": \"affected\",\n \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n \"programFiles\": [\n \"net/wireless/nl80211.c\"\n ],\n \"versions\": [\n {\n \"version\": \"6.4\",\n \"status\": \"affected\"\n },\n {\n \"version\": \"0\",\n \"lessThan\": \"6.4\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.1.176\",\n \"lessThanOrEqual\": \"6.1.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.6.143\",\n \"lessThanOrEqual\": \"6.6.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.12.94\",\n \"lessThanOrEqual\": \"6.12.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.18.36\",\n \"lessThanOrEqual\": \"6.18.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"7.0.13\",\n \"lessThanOrEqual\": \"7.0.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"7.1\",\n \"lessThanOrEqual\": \"*\",\n \"status\": \"unaffected\",\n \"versionType\": \"original_commit_for_fix\"\n }\n ]\n }"}],"metrics":[{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","score":7.8,"severity":"HIGH"}],"references":["https://git.kernel.org/stable/c/fc0ec2fc02dfe52c5821f36fbccf6a45df43f508","https://git.kernel.org/stable/c/688fcac7054abc680c0eef753f2bb772cfaf8cf7","https://git.kernel.org/stable/c/30c3fa80f423613efdda3deca4af52ff7d20e4e2","https://git.kernel.org/stable/c/265c07c09c837621730d35f02975207a1224bf05","https://git.kernel.org/stable/c/ecbf3c45add30a0857414e156bdb9c79906f0ff6","https://git.kernel.org/stable/c/4cd92957e8f8cc4ebfe8a5d4203c14c592fde6b1"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-53182","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-53182","identifiers":["CVE-2026-53182"]},"retained":false,"historicalAffected":[]}],"coverage":[{"source":"cisa-kev:global","scope":"Complete CISA KEV catalog; all vendors. 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