{"cve":"CVE-2026-98331","nvd":{"published":"2026-10-06T09:18:25.517","modified":"2026-10-19T10:18:35.267","status":"Received","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mac80211: unlist vifs when their netdev is unregistered\n\nmac80211 only removes vifs from the local->interfaces list when\nan interface is removed via ieee80211_if_remove(), before it\nunregisters the netdev. However, it's possible for a netdev to\nbe unregistered without going through that: When the netns that\nholds the wiphy is destroyed, the wiphy is supposed to move to\nthe init_ns, but that can run into allocation failures.\n\nThen, mac80211 has an interface listed that doesn't exist, and\nwill eventually hit\n\n  BUG: failure at net/wireless/core.h:141/wiphy_to_rdev()!\n  ...\n  _cfg80211_unregister_wdev+0x24/0x36a [cfg80211]\n  cfg80211_unregister_wdev+0x15/0x1d [cfg80211]\n  ieee80211_remove_interfaces+0x1ff/0x257 [mac80211]\n  ieee80211_unregister_hw+0x73/0x1d1 [mac80211]\n  mac80211_hwsim_del_radio+0x114/0x166 [mac80211_hwsim]\n\nRemove the interface from the list in ->ndo_uninit if it's still\naround to avoid this.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","score":7.0},"cwes":[],"references":["https://git.kernel.org/stable/c/20a56e96a6f7b4dfbd13f8732fd2673409fc7ba0","https://git.kernel.org/stable/c/821bab0456dfca12acef6df702c8f2477d313227","https://git.kernel.org/stable/c/a22c02863439993095acd0c3db97fa53cd515f4f","https://git.kernel.org/stable/c/b735ad1a9aca6080192c1316cf2706e5e1318762","https://git.kernel.org/stable/c/d45bf731ec7085d2cc2c5d179d3b3b6c743d4fb1"],"products":[],"source":"nvd","synced_at":"2026-10-19T22:57:46.668721662+00:00"},"epss":{"cve":"CVE-2026-98331","score":0.00131,"percentile":0.02663,"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."]}