{"id":"CVE-2026-68407","state":"PUBLISHED","title":"wifi: nl80211: free RNR data on MBSSID mismatch","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: nl80211: free RNR data on MBSSID mismatch\n\nnl80211_parse_beacon() rejects EMA RNR data when there are fewer RNR\nentries than MBSSID entries.\n\nThe rejected RNR allocation has not been attached to the beacon data yet,\nso free it before returning the error.","publishedAt":"2026-08-10T12:04:27.252Z","updatedAt":"2026-08-19T16:35:02.178Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"56189d7bc30531def6b999f27940ee43c6ff2569","status":"affected","lessThan":"4b76fc30c80b240107a7de3c7560113c9290eafc","versionType":"git"},{"version":"dbbb27e183b1568d5a907ace1cd144b0709ea52a","status":"affected","lessThan":"fa9592ef7de11f8c7042315d9bc20e91a97f679e","versionType":"git"},{"version":"dbbb27e183b1568d5a907ace1cd144b0709ea52a","status":"affected","lessThan":"312c8b9d7836ef58e552619a8c19be08b04032bb","versionType":"git"},{"version":"dbbb27e183b1568d5a907ace1cd144b0709ea52a","status":"affected","lessThan":"fb052a6e2fa866384d8edc237746583ec94c15af","versionType":"git"},{"version":"dbbb27e183b1568d5a907ace1cd144b0709ea52a","status":"affected","lessThan":"6f919f29e9b75793104709987131b8d910d7800a","versionType":"git"},{"version":"dbbb27e183b1568d5a907ace1cd144b0709ea52a","status":"affected","lessThan":"07a95ec2b54774201fdf4ef7ffb0ca2ab19ed29c","versionType":"git"},{"version":"6.1.160","status":"affected","lessThan":"6.1.183","versionType":"semver"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/wireless/nl80211.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.4","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.4","versionType":"semver"},{"version":"6.1.183","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.148","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.101","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.42","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.1.6","status":"unaffected","lessThanOrEqual":"7.1.*","versionType":"semver"},{"version":"7.2","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/wireless/nl80211.c"]}],"references":["https://git.kernel.org/stable/c/4b76fc30c80b240107a7de3c7560113c9290eafc","https://git.kernel.org/stable/c/fa9592ef7de11f8c7042315d9bc20e91a97f679e","https://git.kernel.org/stable/c/312c8b9d7836ef58e552619a8c19be08b04032bb","https://git.kernel.org/stable/c/fb052a6e2fa866384d8edc237746583ec94c15af","https://git.kernel.org/stable/c/6f919f29e9b75793104709987131b8d910d7800a","https://git.kernel.org/stable/c/07a95ec2b54774201fdf4ef7ffb0ca2ab19ed29c"],"weaknesses":[],"ingestedAt":"2026-10-29T20:12:49.727Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/68xxx/CVE-2026-68407.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-68407","state":"PUBLISHED","datePublished":"2026-08-10T12:04:27.252Z","dateUpdated":"2026-08-19T16:35:02.178Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-07-30T09:28:09.390Z"},"containers":{"cna":{"title":"wifi: nl80211: free RNR data on MBSSID mismatch","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: nl80211: free RNR data on MBSSID mismatch\n\nnl80211_parse_beacon() rejects EMA RNR data when there are fewer RNR\nentries than MBSSID entries.\n\nThe rejected RNR allocation has not been attached to the beacon data yet,\nso free it before returning the error."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"56189d7bc30531def6b999f27940ee43c6ff2569","status":"affected","lessThan":"4b76fc30c80b240107a7de3c7560113c9290eafc","versionType":"git"},{"version":"dbbb27e183b1568d5a907ace1cd144b0709ea52a","status":"affected","lessThan":"fa9592ef7de11f8c7042315d9bc20e91a97f679e","versionType":"git"},{"version":"dbbb27e183b1568d5a907ace1cd144b0709ea52a","status":"affected","lessThan":"312c8b9d7836ef58e552619a8c19be08b04032bb","versionType":"git"},{"version":"dbbb27e183b1568d5a907ace1cd144b0709ea52a","status":"affected","lessThan":"fb052a6e2fa866384d8edc237746583ec94c15af","versionType":"git"},{"version":"dbbb27e183b1568d5a907ace1cd144b0709ea52a","status":"affected","lessThan":"6f919f29e9b75793104709987131b8d910d7800a","versionType":"git"},{"version":"dbbb27e183b1568d5a907ace1cd144b0709ea52a","status":"affected","lessThan":"07a95ec2b54774201fdf4ef7ffb0ca2ab19ed29c","versionType":"git"},{"version":"6.1.160","status":"affected","lessThan":"6.1.183","versionType":"semver"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/wireless/nl80211.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.4","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.4","versionType":"semver"},{"version":"6.1.183","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.148","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.101","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.42","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.1.6","status":"unaffected","lessThanOrEqual":"7.1.*","versionType":"semver"},{"version":"7.2","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/wireless/nl80211.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/4b76fc30c80b240107a7de3c7560113c9290eafc"},{"url":"https://git.kernel.org/stable/c/fa9592ef7de11f8c7042315d9bc20e91a97f679e"},{"url":"https://git.kernel.org/stable/c/312c8b9d7836ef58e552619a8c19be08b04032bb"},{"url":"https://git.kernel.org/stable/c/fb052a6e2fa866384d8edc237746583ec94c15af"},{"url":"https://git.kernel.org/stable/c/6f919f29e9b75793104709987131b8d910d7800a"},{"url":"https://git.kernel.org/stable/c/07a95ec2b54774201fdf4ef7ffb0ca2ab19ed29c"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-08-19T16:35:02.178Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.1.160","versionEndExcluding":"6.1.183"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.4","versionEndExcluding":"6.6.148"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.4","versionEndExcluding":"6.12.101"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.4","versionEndExcluding":"6.18.42"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.4","versionEndExcluding":"7.1.6"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.4","versionEndExcluding":"7.2"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}