{"id":"CVE-2026-90350","revision":"916190dc2de9429abfb7e6df9a97af68","records":[{"revision":"916190dc2de9429abfb7e6df9a97af68","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-90350","aliases":[],"title":"wifi: mt76: reject out-of-range link ids in mt76_vif_link()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mt76: reject out-of-range link ids in mt76_vif_link()\n\nmt76_vif_link() indexes mvif->link[] without validating link_id, but\ncallers pass mvif->deflink_id / msta->deflink_id, which hold\nIEEE80211_LINK_UNSPECIFIED (0xf) until the first link has been added.\nSince IEEE80211_MLD_MAX_NUM_LINKS is 15, that reads one element past the\nend of the array, aliasing mt76_vif_data.offchannel_link.\n\nReachable via mt7996_set_tsf()/mt7996_offset_tsf() and\nmt7996_net_fill_forward_path(). Bounds check link_id and return NULL,\nmatching mt7996_sta_link() and mt7996_sta_link_protected().","state":0,"publishedAt":"2026-09-17T16:08:58.226+00:00","modifiedAt":"2026-10-19T09:02:06.98+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/mt76.h\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"a9384b36a42afc2d715eb74c19a7ee558f09ef82\",\n                            \"lessThan\": \"13f6a9c786022d5213e84d494cc8717c378f5395\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"a9384b36a42afc2d715eb74c19a7ee558f09ef82\",\n                            \"lessThan\": \"c1442c345ca8da857fadea1d0797b97347ab6984\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"a9384b36a42afc2d715eb74c19a7ee558f09ef82\",\n                            \"lessThan\": \"9ba744a28c26eaa5cae930688a22e01888395308\",\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/mt76.h\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"6.15\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"6.15\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.18.52\",\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":[],"references":["https://git.kernel.org/stable/c/13f6a9c786022d5213e84d494cc8717c378f5395","https://git.kernel.org/stable/c/c1442c345ca8da857fadea1d0797b97347ab6984","https://git.kernel.org/stable/c/9ba744a28c26eaa5cae930688a22e01888395308"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-90350","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-90350","identifiers":["CVE-2026-90350"]},"retained":false,"historicalAffected":[]}],"coverage":[]}