{"cve":"CVE-2026-98345","nvd":{"published":"2026-10-06T09:18:27.480","modified":"2026-10-19T10:18:36.957","status":"Received","description":"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.","cvss_v4":null,"cvss_v3":null,"cwes":[],"references":["https://git.kernel.org/stable/c/12c0abd4d1c1b04a7663d04ba85268bc9ad9c017","https://git.kernel.org/stable/c/18d5547327c202cda33ad2bbd203220c2c62c8a7","https://git.kernel.org/stable/c/3ff17ffa8d02e0e3f6b2f6e57af4aac511f5b734","https://git.kernel.org/stable/c/48b2c5c628b09cf36cbeca53e0432fc2a7518be7","https://git.kernel.org/stable/c/65893c8d28f239c7ddad5a83683be193a9133e9b"],"products":[],"source":"nvd","synced_at":"2026-10-19T22:57:46.668721662+00:00"},"epss":{"cve":"CVE-2026-98345","score":0.00177,"percentile":0.07146,"date":"2026-10-25"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}