{"id":"CVE-2026-90353","revision":"d6ecb1dd7ad24c6891fa847477ef4316","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":[]}