{"id":"CVE-2026-90353","revision":null,"records":[{"revision":"d6ecb1dd7ad24c6891fa847477ef4316","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-90353","aliases":[],"title":"wifi: mt76: mt7915: fix ext PHY use-after-free on register error path","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mt76: mt7915: fix ext PHY use-after-free on register error path\n\nAfter mt7915_register_ext_phy() succeeded, a failure of the main PHY\nmt7915_init_debugfs() or mt7915_coredump_register() unwound through\nfree_phy2, which called ieee80211_free_hw() on the ext PHY hw while it\nwas still registered with mac80211, since mt76_unregister_device() only\nunregisters the main hw. Unregister the ext PHY (thermal + phy + hw)\nfirst and skip the redundant free.","state":0,"publishedAt":"2026-09-17T16:09:00.217+00:00","modifiedAt":"2026-10-19T09:02:09.864+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/mt7915/init.c\"\n ],\n \"versions\": [\n {\n \"version\": \"7b8e1ae886e45aed9274048f2836a70b75ecfa40\",\n \"lessThan\": \"aa55bec92ba7747dd08feff409f8074c5e052e71\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"7b8e1ae886e45aed9274048f2836a70b75ecfa40\",\n \"lessThan\": \"ad706fcf6255494613b94418e7243d98065dbeaf\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"7b8e1ae886e45aed9274048f2836a70b75ecfa40\",\n \"lessThan\": \"34058ad122f7524e33df8e38caba4b1d803b025a\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"7b8e1ae886e45aed9274048f2836a70b75ecfa40\",\n \"lessThan\": \"a7fd3bae8e11a7c00df6a5021d9ef248ae9f9bf5\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"7b8e1ae886e45aed9274048f2836a70b75ecfa40\",\n \"lessThan\": \"648f5f03ff50d4bd719106ace0cdf1d8be02cbdd\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"7b8e1ae886e45aed9274048f2836a70b75ecfa40\",\n \"lessThan\": \"15b960014f24dce5388d4a2e7274e6490cb3c421\",\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/mt7915/init.c\"\n ],\n \"versions\": [\n {\n \"version\": \"5.19\",\n \"status\": \"affected\"\n },\n {\n \"version\": \"0\",\n \"lessThan\": \"5.19\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.1.188\",\n \"lessThanOrEqual\": \"6.1.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.6.157\",\n \"lessThanOrEqual\": \"6.6.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.12.110\",\n \"lessThanOrEqual\": \"6.12.*\",\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":[{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","score":7,"severity":"HIGH"}],"references":["https://git.kernel.org/stable/c/aa55bec92ba7747dd08feff409f8074c5e052e71","https://git.kernel.org/stable/c/ad706fcf6255494613b94418e7243d98065dbeaf","https://git.kernel.org/stable/c/34058ad122f7524e33df8e38caba4b1d803b025a","https://git.kernel.org/stable/c/a7fd3bae8e11a7c00df6a5021d9ef248ae9f9bf5","https://git.kernel.org/stable/c/648f5f03ff50d4bd719106ace0cdf1d8be02cbdd","https://git.kernel.org/stable/c/15b960014f24dce5388d4a2e7274e6490cb3c421"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-90353","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-90353","identifiers":["CVE-2026-90353"]},"retained":false,"historicalAffected":[]}],"coverage":[{"source":"cisa-kev:global","scope":"Complete CISA KEV catalog; all vendors. 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