{"id":"CVE-2026-90381","title":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mt76: fix handling channel context with different bands in mt76_switch_vif_chanctx()\n\nWhen performing channel switches on different radios within a short\ntimefram…","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mt76: fix handling channel context with different bands in mt76_switch_vif_chanctx()\n\nWhen performing channel switches on different radios within a short\ntimefram…","severity":"high","cvss":8.8,"cvssVector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","vendor":"Linux","product":"Linux","affected":["Linux >= 82334623af0cd2154633cdb007719a321048fafc < 063169a2755abdcbe7698d98360336abb6bef414","Linux >= 82334623af0cd2154633cdb007719a321048fafc < 70869cc429fffc77de51e7777c0ecb651e8fca07","Linux 6.14"],"published":"2026-09-17","updated":"2026-10-15","sourceUpdated":"2026-10-15T11:18:02.247","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-90381","references":[{"url":"https://git.kernel.org/stable/c/063169a2755abdcbe7698d98360336abb6bef414","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/70869cc429fffc77de51e7777c0ecb651e8fca07","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/7a1b971b799eae8a957acb90d8100576df889644","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-90381.json"},{"url":"https://access.redhat.com/security/cve/CVE-2026-90381"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2536645"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-90381"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-90381"},{"url":"https://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2026/CVE-2026-90381.mbox"}],"tags":["nvd","cve.org","csaf","vex","red-hat","score-dispute"],"epss":0.00375,"epssPercentile":0.31296,"ingestedAt":"2026-09-17T16:21:47.806Z","cwe":["CWE-821"],"scores":{"nvd":8.8,"vendor":5.5},"slug":"CVE-2026-90381","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mt76: fix handling channel context with different bands in mt76_switch_vif_chanctx()\n\nWhen performing channel switches on different radios within a short\ntimeframe, channel contexts with different bands can be carried for\neach struct ieee80211_vif_chanctx_switch.\n\nRework mt76_switch_vif_chanctx() to properly handle this scenario.\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 9, Red Hat OpenShift Container Platform 4 · no fix planned: Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 9, Red Hat OpenShift Container Platform 4 · updated 2026-10-20 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-90381.json)","depth":"twilight","depthScore":48,"depthScoreParts":{"impact":48.4,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[{"seq":207287,"id":"CVE-2026-90381","ts":1789757340441,"field":"cvss","old":null,"new":"8.8"},{"seq":207286,"id":"CVE-2026-90381","ts":1789757340441,"field":"severity","old":"none","new":"high"}]}