{"api_version":"1","generated_at":"2026-10-25T03:31:44+00:00","cve":"CVE-2026-98421","urls":{"html":"https://cve.report/CVE-2026-98421","api":"https://cve.report/api/cve/CVE-2026-98421.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-98421","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-98421"},"summary":{"title":"wifi: mac80211: require a peer station for TDLS setup confirm","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mac80211: require a peer station for TDLS setup confirm\n\nIt's nonsense for the setup confirm to go to station that\ndoesn't even exist, and it hits a warning when building\nthe frame:\n\n  WARN_ON_ONCE(!sta || !ap_sta)\n\nOnly accept WLAN_TDLS_SETUP_CONFIRM when the station is\nalready there as a TDLS station. Need to copy the call\nto ieee80211_tdls_prep_mgmt_packet() since the existing\nWLAN_TDLS_DISCOVERY_REQUEST already falls through to it.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-10-14 14:17:53","updated_at":"2026-10-19 10:18:47"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/1c0a5c96473b9e7a5f4c453ef6a13dc0f5589a4b","name":"https://git.kernel.org/stable/c/1c0a5c96473b9e7a5f4c453ef6a13dc0f5589a4b","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/742c762bee59c973684f70dfed7de4945d3141e2","name":"https://git.kernel.org/stable/c/742c762bee59c973684f70dfed7de4945d3141e2","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/6bae6ef511a29ef12ab969adeea691067d4d5d74","name":"https://git.kernel.org/stable/c/6bae6ef511a29ef12ab969adeea691067d4d5d74","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/fce36d242a18ddf64731d816a37564103172da11","name":"https://git.kernel.org/stable/c/fce36d242a18ddf64731d816a37564103172da11","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/d0afa5395c46d73ad2090aa50209886e84f179bd","name":"https://git.kernel.org/stable/c/d0afa5395c46d73ad2090aa50209886e84f179bd","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/038e1d126304fd25d507fd4e671232df57bd1799","name":"https://git.kernel.org/stable/c/038e1d126304fd25d507fd4e671232df57bd1799","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-98421","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-98421","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6f7eaa47e1de30159277f91f1145a6687f13ffd9 6bae6ef511a29ef12ab969adeea691067d4d5d74 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6f7eaa47e1de30159277f91f1145a6687f13ffd9 d0afa5395c46d73ad2090aa50209886e84f179bd git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6f7eaa47e1de30159277f91f1145a6687f13ffd9 742c762bee59c973684f70dfed7de4945d3141e2 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6f7eaa47e1de30159277f91f1145a6687f13ffd9 fce36d242a18ddf64731d816a37564103172da11 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6f7eaa47e1de30159277f91f1145a6687f13ffd9 1c0a5c96473b9e7a5f4c453ef6a13dc0f5589a4b git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6f7eaa47e1de30159277f91f1145a6687f13ffd9 038e1d126304fd25d507fd4e671232df57bd1799 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 3.17","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 3.17 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.1.189 6.1.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.6.158 6.6.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.12.112 6.12.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.54 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.2.8 7.2.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.3 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["net/mac80211/tdls.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"6bae6ef511a29ef12ab969adeea691067d4d5d74","status":"affected","version":"6f7eaa47e1de30159277f91f1145a6687f13ffd9","versionType":"git"},{"lessThan":"d0afa5395c46d73ad2090aa50209886e84f179bd","status":"affected","version":"6f7eaa47e1de30159277f91f1145a6687f13ffd9","versionType":"git"},{"lessThan":"742c762bee59c973684f70dfed7de4945d3141e2","status":"affected","version":"6f7eaa47e1de30159277f91f1145a6687f13ffd9","versionType":"git"},{"lessThan":"fce36d242a18ddf64731d816a37564103172da11","status":"affected","version":"6f7eaa47e1de30159277f91f1145a6687f13ffd9","versionType":"git"},{"lessThan":"1c0a5c96473b9e7a5f4c453ef6a13dc0f5589a4b","status":"affected","version":"6f7eaa47e1de30159277f91f1145a6687f13ffd9","versionType":"git"},{"lessThan":"038e1d126304fd25d507fd4e671232df57bd1799","status":"affected","version":"6f7eaa47e1de30159277f91f1145a6687f13ffd9","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["net/mac80211/tdls.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"3.17"},{"lessThan":"3.17","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.189","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.158","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.112","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.54","versionType":"semver"},{"lessThanOrEqual":"7.2.*","status":"unaffected","version":"7.2.8","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.3","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.1.189","versionStartIncluding":"3.17","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.6.158","versionStartIncluding":"3.17","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.112","versionStartIncluding":"3.17","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.54","versionStartIncluding":"3.17","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.2.8","versionStartIncluding":"3.17","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.3","versionStartIncluding":"3.17","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mac80211: require a peer station for TDLS setup confirm\n\nIt's nonsense for the setup confirm to go to station that\ndoesn't even exist, and it hits a warning when building\nthe frame:\n\n  WARN_ON_ONCE(!sta || !ap_sta)\n\nOnly accept WLAN_TDLS_SETUP_CONFIRM when the station is\nalready there as a TDLS station. Need to copy the call\nto ieee80211_tdls_prep_mgmt_packet() since the existing\nWLAN_TDLS_DISCOVERY_REQUEST already falls through to it."}],"providerMetadata":{"dateUpdated":"2026-10-19T09:19:14.905Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/6bae6ef511a29ef12ab969adeea691067d4d5d74"},{"url":"https://git.kernel.org/stable/c/d0afa5395c46d73ad2090aa50209886e84f179bd"},{"url":"https://git.kernel.org/stable/c/742c762bee59c973684f70dfed7de4945d3141e2"},{"url":"https://git.kernel.org/stable/c/fce36d242a18ddf64731d816a37564103172da11"},{"url":"https://git.kernel.org/stable/c/1c0a5c96473b9e7a5f4c453ef6a13dc0f5589a4b"},{"url":"https://git.kernel.org/stable/c/038e1d126304fd25d507fd4e671232df57bd1799"}],"title":"wifi: mac80211: require a peer station for TDLS setup confirm","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-98421","datePublished":"2026-10-14T13:27:50.200Z","dateReserved":"2026-09-25T10:25:14.348Z","dateUpdated":"2026-10-19T09:19:14.905Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-10-14 14:17:53","lastModifiedDate":"2026-10-19 10:18:47","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"98421","Ordinal":"1","Title":"wifi: mac80211: require a peer station for TDLS setup confirm","CVE":"CVE-2026-98421","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"98421","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mac80211: require a peer station for TDLS setup confirm\n\nIt's nonsense for the setup confirm to go to station that\ndoesn't even exist, and it hits a warning when building\nthe frame:\n\n  WARN_ON_ONCE(!sta || !ap_sta)\n\nOnly accept WLAN_TDLS_SETUP_CONFIRM when the station is\nalready there as a TDLS station. Need to copy the call\nto ieee80211_tdls_prep_mgmt_packet() since the existing\nWLAN_TDLS_DISCOVERY_REQUEST already falls through to it.","Type":"Description","Title":"wifi: mac80211: require a peer station for TDLS setup confirm"}]}}}