{"id":"CVE-2026-98346","title":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: cfg80211: don't get the radio mask for netdev-less wdevs\n\ncfg80211_calculate_bi_data() calls rdev_get_radio_mask() with\nwdev->netdev, which can be NULL and then c…","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: cfg80211: don't get the radio mask for netdev-less wdevs\n\ncfg80211_calculate_bi_data() calls rdev_get_radio_mask() with\nwdev->netdev, which can be NULL and then c…","severity":"medium","vendor":"Linux","product":"Linux","affected":["Linux >= abb4cfe3661aa05426916b21164f88ca5a405a3a < 5b313159c970e945ee125ca87fad0d96ed913e55","Linux >= abb4cfe3661aa05426916b21164f88ca5a405a3a < 693d777846d525b8b218bad97a1befa5d9bd4334","Linux >= abb4cfe3661aa05426916b21164f88ca5a405a3a < 7166da84a7fe3553f9065782fd80299a37b150e5","Linux >= abb4cfe3661aa05426916b21164f88ca5a405a3a < a7783e585360ee05dfe21d3173dbbe985c94f29e","Linux 6.11"],"published":"2026-10-06","updated":"2026-10-06","sourceUpdated":"2026-10-06T09:18:27.633","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-98346","references":[{"url":"https://git.kernel.org/stable/c/5b313159c970e945ee125ca87fad0d96ed913e55","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/693d777846d525b8b218bad97a1befa5d9bd4334","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/7166da84a7fe3553f9065782fd80299a37b150e5","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/a7783e585360ee05dfe21d3173dbbe985c94f29e","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-98346.json"},{"url":"https://access.redhat.com/security/cve/CVE-2026-98346"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2546447"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-98346"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-98346"},{"url":"https://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2026/CVE-2026-98346.mbox"}],"tags":["nvd","cve.org","csaf","vex","red-hat"],"ingestedAt":"2026-10-06T08:50:17.397Z","cvss":5.5,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","cvssSource":"vendor","cwe":["CWE-476"],"epss":0.00168,"epssPercentile":0.06035,"slug":"CVE-2026-98346","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nwifi: cfg80211: don't get the radio mask for netdev-less wdevs\n\ncfg80211_calculate_bi_data() calls rdev_get_radio_mask() with\nwdev->netdev, which can be NULL and then crashes in mac80211.\n\nTo avoid that, invert the order of checks since wdev->netdev\nis always valid for beaconing interfaces.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.\n\n## Vendor advisories\n\n- **Red Hat VEX** · Low · affected: Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 6, Red Hat Enterprise Linux 9, Red Hat OpenShift Container Platform 4 · no fix planned: Red Hat Enterprise Linux 6, Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 9, Red Hat OpenShift Container Platform 4 · updated 2026-10-18 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-98346.json)","depth":"sunlit","depthScore":30,"depthScoreParts":{"impact":30.3,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[{"seq":219129,"id":"CVE-2026-98346","ts":1791707069755,"field":"cvss","old":null,"new":"5.5"},{"seq":219128,"id":"CVE-2026-98346","ts":1791707069755,"field":"severity","old":"none","new":"medium"}]}