{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-53182","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2026-06-09T07:44:35.390Z","datePublished":"2026-06-25T08:38:56.654Z","dateUpdated":"2026-06-28T06:39:55.496Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-06-28T06:39:55.496Z"},"descriptions":[{"lang":"en","value":"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()."}],"metrics":[{"cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","baseScore":7.8,"baseSeverity":"HIGH"}}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/wireless/nl80211.c"],"versions":[{"version":"56189d7bc30531def6b999f27940ee43c6ff2569","lessThan":"fc0ec2fc02dfe52c5821f36fbccf6a45df43f508","status":"affected","versionType":"git"},{"version":"dbbb27e183b1568d5a907ace1cd144b0709ea52a","lessThan":"688fcac7054abc680c0eef753f2bb772cfaf8cf7","status":"affected","versionType":"git"},{"version":"dbbb27e183b1568d5a907ace1cd144b0709ea52a","lessThan":"30c3fa80f423613efdda3deca4af52ff7d20e4e2","status":"affected","versionType":"git"},{"version":"dbbb27e183b1568d5a907ace1cd144b0709ea52a","lessThan":"265c07c09c837621730d35f02975207a1224bf05","status":"affected","versionType":"git"},{"version":"dbbb27e183b1568d5a907ace1cd144b0709ea52a","lessThan":"ecbf3c45add30a0857414e156bdb9c79906f0ff6","status":"affected","versionType":"git"},{"version":"dbbb27e183b1568d5a907ace1cd144b0709ea52a","lessThan":"4cd92957e8f8cc4ebfe8a5d4203c14c592fde6b1","status":"affected","versionType":"git"},{"version":"6.1.160","lessThan":"6.1.176","status":"affected","versionType":"semver"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/wireless/nl80211.c"],"versions":[{"version":"6.4","status":"affected"},{"version":"0","lessThan":"6.4","status":"unaffected","versionType":"semver"},{"version":"6.1.176","lessThanOrEqual":"6.1.*","status":"unaffected","versionType":"semver"},{"version":"6.6.143","lessThanOrEqual":"6.6.*","status":"unaffected","versionType":"semver"},{"version":"6.12.94","lessThanOrEqual":"6.12.*","status":"unaffected","versionType":"semver"},{"version":"6.18.36","lessThanOrEqual":"6.18.*","status":"unaffected","versionType":"semver"},{"version":"7.0.13","lessThanOrEqual":"7.0.*","status":"unaffected","versionType":"semver"},{"version":"7.1","lessThanOrEqual":"*","status":"unaffected","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.1.160","versionEndExcluding":"6.1.176"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.4","versionEndExcluding":"6.6.143"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.4","versionEndExcluding":"6.12.94"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.4","versionEndExcluding":"6.18.36"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.4","versionEndExcluding":"7.0.13"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.4","versionEndExcluding":"7.1"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/fc0ec2fc02dfe52c5821f36fbccf6a45df43f508"},{"url":"https://git.kernel.org/stable/c/688fcac7054abc680c0eef753f2bb772cfaf8cf7"},{"url":"https://git.kernel.org/stable/c/30c3fa80f423613efdda3deca4af52ff7d20e4e2"},{"url":"https://git.kernel.org/stable/c/265c07c09c837621730d35f02975207a1224bf05"},{"url":"https://git.kernel.org/stable/c/ecbf3c45add30a0857414e156bdb9c79906f0ff6"},{"url":"https://git.kernel.org/stable/c/4cd92957e8f8cc4ebfe8a5d4203c14c592fde6b1"}],"title":"wifi: nl80211: reject oversized EMA RNR lists","x_generator":{"engine":"bippy-1.2.0"}}}}