{"id":"CVE-2026-90381","revision":"195b8bc8639d4b3d8ac5deefaf9c2232","records":[{"revision":"195b8bc8639d4b3d8ac5deefaf9c2232","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-90381","aliases":[],"title":"wifi: mt76: fix handling channel context with different bands in mt76_switch_vif_chanctx()","description":"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\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.","state":0,"publishedAt":"2026-09-17T16:09:18.603+00:00","modifiedAt":"2026-10-19T09:02:40.869+00:00","affected":[{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Linux\",\n                    \"vendor\": \"Linux\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"drivers/net/wireless/mediatek/mt76/channel.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"82334623af0cd2154633cdb007719a321048fafc\",\n                            \"lessThan\": \"7a1b971b799eae8a957acb90d8100576df889644\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"82334623af0cd2154633cdb007719a321048fafc\",\n                            \"lessThan\": \"063169a2755abdcbe7698d98360336abb6bef414\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"82334623af0cd2154633cdb007719a321048fafc\",\n                            \"lessThan\": \"70869cc429fffc77de51e7777c0ecb651e8fca07\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Linux\",\n                    \"vendor\": \"Linux\",\n                    \"defaultStatus\": \"affected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"drivers/net/wireless/mediatek/mt76/channel.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"6.14\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"6.14\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.18.57\",\n                            \"lessThanOrEqual\": \"6.18.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.2.6\",\n                            \"lessThanOrEqual\": \"7.2.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.3\",\n                            \"lessThanOrEqual\": \"*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"original_commit_for_fix\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":8.8,"severity":"HIGH"}],"references":["https://git.kernel.org/stable/c/7a1b971b799eae8a957acb90d8100576df889644","https://git.kernel.org/stable/c/063169a2755abdcbe7698d98360336abb6bef414","https://git.kernel.org/stable/c/70869cc429fffc77de51e7777c0ecb651e8fca07"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-90381","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-90381","identifiers":["CVE-2026-90381"]},"retained":false,"historicalAffected":[]}],"coverage":[]}