{"schema":"threatline.record/2","record":{"id":"CVE-2026-98345","aliases":[],"summary":"wifi: cfg80211: check IP header size in cfg80211_classify8021d()","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: cfg80211: check IP header size in cfg80211_classify8021d()\n\nA frame that looks like IP can be transmitted, but be too short, so\nthe DS field is read incorrectly:\n\n  BUG: KMSAN: uninit-value in cfg80211_classify8021d+0x99d/0x12b0 net/wireless/util.c:1027\n   cfg80211_classify8021d+0x99d/0x12b0 net/wireless/util.c:1027\n   ieee80211_select_queue+0x37a/0x9e0 net/mac80211/wme.c:180\n   __ieee80211_subif_start_xmit+0x60f/0x1d90 net/mac80211/tx.c:4304\n   ieee80211_subif_start_xmit+0xa8/0x6d0 net/mac80211/tx.c:4538\n   ...\n   packet_sendmsg+0x9173/0xa2a0 net/packet/af_packet.c:3108\n\nUse skb_header_pointer() like the MPLS case.","categories":["Operating systems"],"product":"Linux","vendor":"Linux","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-98345","source_modified_at":"2026-10-19T09:17:56.221Z","fetched_at":"2026-10-23T18:45:31.882637Z","product":"Linux","vendor":"Linux","versions":[{"version":"e31a16d6f64ef0e324c6f54d5112703c3f13a9c4","lessThan":"18d5547327c202cda33ad2bbd203220c2c62c8a7","status":"affected","versionType":"git"},{"version":"e31a16d6f64ef0e324c6f54d5112703c3f13a9c4","lessThan":"3ff17ffa8d02e0e3f6b2f6e57af4aac511f5b734","status":"affected","versionType":"git"},{"version":"e31a16d6f64ef0e324c6f54d5112703c3f13a9c4","lessThan":"c4fbcf1e614ef0755fcc751fdfca21b0bf4e0ef7","status":"affected","versionType":"git"},{"version":"e31a16d6f64ef0e324c6f54d5112703c3f13a9c4","lessThan":"12c0abd4d1c1b04a7663d04ba85268bc9ad9c017","status":"affected","versionType":"git"},{"version":"e31a16d6f64ef0e324c6f54d5112703c3f13a9c4","lessThan":"f33ad4e2f846e55cf4637419268f093ac9f1a765","status":"affected","versionType":"git"},{"version":"e31a16d6f64ef0e324c6f54d5112703c3f13a9c4","lessThan":"a2cdb4a675ca04c4ac8cc962848082d8ce065008","status":"affected","versionType":"git"},{"version":"e31a16d6f64ef0e324c6f54d5112703c3f13a9c4","lessThan":"65893c8d28f239c7ddad5a83683be193a9133e9b","status":"affected","versionType":"git"},{"version":"e31a16d6f64ef0e324c6f54d5112703c3f13a9c4","lessThan":"48b2c5c628b09cf36cbeca53e0432fc2a7518be7","status":"affected","versionType":"git"}],"defaultStatus":"unaffected"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-98345","source_modified_at":"2026-10-19T09:17:56.221Z","fetched_at":"2026-10-23T18:45:31.882637Z","product":"Linux","vendor":"Linux","versions":[{"version":"2.6.31","status":"affected"},{"version":"0","lessThan":"2.6.31","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":"6.12.112","lessThanOrEqual":"6.12.*","status":"unaffected","versionType":"semver"},{"version":"6.18.54","lessThanOrEqual":"6.18.*","status":"unaffected","versionType":"semver"},{"version":"7.2.8","lessThanOrEqual":"7.2.*","status":"unaffected","versionType":"semver"},{"version":"7.3","lessThanOrEqual":"*","status":"unaffected","versionType":"original_commit_for_fix"}],"defaultStatus":"affected"}],"fixed_versions":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-98345","source_modified_at":"2026-10-19T09:17:56.221Z","fetched_at":"2026-10-23T18:45:31.882637Z","package":{"name":"Linux","ecosystem":null},"version":"18d5547327c202cda33ad2bbd203220c2c62c8a7","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-98345","source_modified_at":"2026-10-19T09:17:56.221Z","fetched_at":"2026-10-23T18:45:31.882637Z","package":{"name":"Linux","ecosystem":null},"version":"3ff17ffa8d02e0e3f6b2f6e57af4aac511f5b734","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-98345","source_modified_at":"2026-10-19T09:17:56.221Z","fetched_at":"2026-10-23T18:45:31.882637Z","package":{"name":"Linux","ecosystem":null},"version":"12c0abd4d1c1b04a7663d04ba85268bc9ad9c017","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-98345","source_modified_at":"2026-10-19T09:17:56.221Z","fetched_at":"2026-10-23T18:45:31.882637Z","package":{"name":"Linux","ecosystem":null},"version":"65893c8d28f239c7ddad5a83683be193a9133e9b","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-98345","source_modified_at":"2026-10-19T09:17:56.221Z","fetched_at":"2026-10-23T18:45:31.882637Z","package":{"name":"Linux","ecosystem":null},"version":"48b2c5c628b09cf36cbeca53e0432fc2a7518be7","basis":"first unaffected version stated in the CVE record"}],"cvss":null,"severity":null,"kev":{"listed":false},"epss":{"probability":0.00184,"percentile":0.07616,"score_date":"2026-10-23"},"published_at":"2026-10-06T08:46:34.719Z","modified_at":"2026-10-19T09:17:56.221Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-98345","fetched_at":"2026-10-23T18:45:31.882637Z","source_modified_at":"2026-10-19T09:17:56.221Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-98345","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/18d5547327c202cda33ad2bbd203220c2c62c8a7"},{"source":"CVE List","url":"https://git.kernel.org/stable/c/3ff17ffa8d02e0e3f6b2f6e57af4aac511f5b734"},{"source":"CVE List","url":"https://git.kernel.org/stable/c/c4fbcf1e614ef0755fcc751fdfca21b0bf4e0ef7"},{"source":"CVE List","url":"https://git.kernel.org/stable/c/12c0abd4d1c1b04a7663d04ba85268bc9ad9c017"},{"source":"CVE List","url":"https://git.kernel.org/stable/c/f33ad4e2f846e55cf4637419268f093ac9f1a765"},{"source":"CVE List","url":"https://git.kernel.org/stable/c/a2cdb4a675ca04c4ac8cc962848082d8ce065008"},{"source":"CVE List","url":"https://git.kernel.org/stable/c/65893c8d28f239c7ddad5a83683be193a9133e9b"},{"source":"CVE List","url":"https://git.kernel.org/stable/c/48b2c5c628b09cf36cbeca53e0432fc2a7518be7"}],"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":"2026-10-19T09:17:56.221Z","content_hash":"91177cbecf66db46469af579aab41d47cf2e8d3dd29780a3eff27f659f681e18"}}