{"schema":"threatline.record/2","record":{"id":"CVE-2026-93802","aliases":[],"summary":"wifi: rsi: validate beacon length before fixed buffer copy","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: rsi: validate beacon length before fixed buffer copy\n\nrsi_prepare_beacon() copies the mac80211 beacon frame after\nFRAME_DESC_SZ into a management skb whose usable tailroom may be smaller\nthan MAX_MGMT_PKT_SIZE after alignment.\n\nValidate the beacon length against the actual tailroom before the copy\nand skb_put(). Leave ownership of the management skb with the caller on\nerror, matching the existing rsi_send_beacon() cleanup path.","categories":["Operating systems"],"product":"Linux","vendor":"Linux","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-93802","source_modified_at":"2026-10-03T10:57:35.833Z","fetched_at":"2026-10-23T18:52:38.922436Z","product":"Linux","vendor":"Linux","versions":[{"version":"d26a9559403c7c3ec3b430f5825bc22c3d40abdb","lessThan":"795ba65f46fe44061f1195951c122cc8ec685d44","status":"affected","versionType":"git"},{"version":"d26a9559403c7c3ec3b430f5825bc22c3d40abdb","lessThan":"66a964432b2758a4cf69962366e37581d6e70632","status":"affected","versionType":"git"},{"version":"d26a9559403c7c3ec3b430f5825bc22c3d40abdb","lessThan":"7f99742c3c2801f8033d8b7a0a58254d7f24fb1e","status":"affected","versionType":"git"},{"version":"d26a9559403c7c3ec3b430f5825bc22c3d40abdb","lessThan":"f08d7f3c916335a0e539f1c45c130615967fac47","status":"affected","versionType":"git"},{"version":"d26a9559403c7c3ec3b430f5825bc22c3d40abdb","lessThan":"87710ad633ce4588aec88611d0d0745eb33a6991","status":"affected","versionType":"git"},{"version":"d26a9559403c7c3ec3b430f5825bc22c3d40abdb","lessThan":"266f195d5a14eec6c482fd09fbc924584c3371a7","status":"affected","versionType":"git"},{"version":"d26a9559403c7c3ec3b430f5825bc22c3d40abdb","lessThan":"8ecdeb8b8a33b22c597299043c0dcfce50beb9ea","status":"affected","versionType":"git"}],"defaultStatus":"unaffected"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-93802","source_modified_at":"2026-10-03T10:57:35.833Z","fetched_at":"2026-10-23T18:52:38.922436Z","product":"Linux","vendor":"Linux","versions":[{"version":"4.14","status":"affected"},{"version":"0","lessThan":"4.14","status":"unaffected","versionType":"semver"},{"version":"5.10.271","lessThanOrEqual":"5.10.*","status":"unaffected","versionType":"semver"},{"version":"5.15.222","lessThanOrEqual":"5.15.*","status":"unaffected","versionType":"semver"},{"version":"6.1.189","lessThanOrEqual":"6.1.*","status":"unaffected","versionType":"semver"},{"version":"6.6.158","lessThanOrEqual":"6.6.*","status":"unaffected","versionType":"semver"},{"version":"6.12.111","lessThanOrEqual":"6.12.*","status":"unaffected","versionType":"semver"},{"version":"6.18.53","lessThanOrEqual":"6.18.*","status":"unaffected","versionType":"semver"},{"version":"7.2","lessThanOrEqual":"*","status":"unaffected","versionType":"original_commit_for_fix"}],"defaultStatus":"affected"}],"fixed_versions":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-93802","source_modified_at":"2026-10-03T10:57:35.833Z","fetched_at":"2026-10-23T18:52:38.922436Z","package":{"name":"Linux","ecosystem":null},"version":"795ba65f46fe44061f1195951c122cc8ec685d44","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-93802","source_modified_at":"2026-10-03T10:57:35.833Z","fetched_at":"2026-10-23T18:52:38.922436Z","package":{"name":"Linux","ecosystem":null},"version":"66a964432b2758a4cf69962366e37581d6e70632","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-93802","source_modified_at":"2026-10-03T10:57:35.833Z","fetched_at":"2026-10-23T18:52:38.922436Z","package":{"name":"Linux","ecosystem":null},"version":"7f99742c3c2801f8033d8b7a0a58254d7f24fb1e","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-93802","source_modified_at":"2026-10-03T10:57:35.833Z","fetched_at":"2026-10-23T18:52:38.922436Z","package":{"name":"Linux","ecosystem":null},"version":"87710ad633ce4588aec88611d0d0745eb33a6991","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-93802","source_modified_at":"2026-10-03T10:57:35.833Z","fetched_at":"2026-10-23T18:52:38.922436Z","package":{"name":"Linux","ecosystem":null},"version":"266f195d5a14eec6c482fd09fbc924584c3371a7","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-93802","source_modified_at":"2026-10-03T10:57:35.833Z","fetched_at":"2026-10-23T18:52:38.922436Z","package":{"name":"Linux","ecosystem":null},"version":"8ecdeb8b8a33b22c597299043c0dcfce50beb9ea","basis":"first unaffected version stated in the CVE record"}],"cvss":null,"severity":null,"kev":{"listed":false},"epss":{"probability":0.00173,"percentile":0.06354,"score_date":"2026-10-23"},"published_at":"2026-09-24T16:02:36.341Z","modified_at":"2026-10-03T10:57:35.833Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-93802","fetched_at":"2026-10-23T18:52:38.922436Z","source_modified_at":"2026-10-03T10:57:35.833Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-93802","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CVE List","EPSS"],"references":[{"source":"CVE List","url":"https://git.kernel.org/stable/c/795ba65f46fe44061f1195951c122cc8ec685d44"},{"source":"CVE List","url":"https://git.kernel.org/stable/c/66a964432b2758a4cf69962366e37581d6e70632"},{"source":"CVE List","url":"https://git.kernel.org/stable/c/7f99742c3c2801f8033d8b7a0a58254d7f24fb1e"},{"source":"CVE List","url":"https://git.kernel.org/stable/c/f08d7f3c916335a0e539f1c45c130615967fac47"},{"source":"CVE List","url":"https://git.kernel.org/stable/c/87710ad633ce4588aec88611d0d0745eb33a6991"},{"source":"CVE List","url":"https://git.kernel.org/stable/c/266f195d5a14eec6c482fd09fbc924584c3371a7"},{"source":"CVE List","url":"https://git.kernel.org/stable/c/8ecdeb8b8a33b22c597299043c0dcfce50beb9ea"}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":"product","confidence":"heuristic","reviewed":false},"change_timestamp":"2026-10-03T10:57:35.833Z","content_hash":"4dba55a1498f06b15e2b7c0238085160a82cd8ef91b990a0f34dd32588094c14"}}