{"id":"CVE-2026-90374","revision":"0d1abe736d244fa5bc5a42be553dfd97","records":[{"revision":"0d1abe736d244fa5bc5a42be553dfd97","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-90374","aliases":[],"title":"wifi: mt76: mt7996: validate RX band_idx before dereferencing phys[]","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mt76: mt7996: validate RX band_idx before dereferencing phys[]\n\nband_idx comes from a 2-bit descriptor field (0-3) and was used directly\nto index dev->mt76.phys[] (size __MT_MAX_BAND == 3) and dereference the\nresult. A corrupt or reserved descriptor value could index out of bounds\nor hit a NULL phy on parts with fewer bands. Reject invalid band indices,\nmirroring mt7996_rx_get_wcid().","state":0,"publishedAt":"2026-09-17T16:09:14.067+00:00","modifiedAt":"2026-10-21T12:51:23.581+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/mt7996/mac.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"98686cd21624c75a043e96812beadddf4f6f48e5\",\n                            \"lessThan\": \"493a029c205a994644327d554f0cfeb9651aba7c\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"98686cd21624c75a043e96812beadddf4f6f48e5\",\n                            \"lessThan\": \"535091c587268cc783608642838a655d828eefdd\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"98686cd21624c75a043e96812beadddf4f6f48e5\",\n                            \"lessThan\": \"0f53ece876e1f3bbb3e18f48afc4af1ee967b16c\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"98686cd21624c75a043e96812beadddf4f6f48e5\",\n                            \"lessThan\": \"b1c5cf8903bec5476a2233b4e45287b9a2213e02\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"98686cd21624c75a043e96812beadddf4f6f48e5\",\n                            \"lessThan\": \"2243778a5fae8329ab5f18e7adcd7e03b911a1b7\",\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/mt7996/mac.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"6.2\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"6.2\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.6.160\",\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":[],"references":["https://git.kernel.org/stable/c/493a029c205a994644327d554f0cfeb9651aba7c","https://git.kernel.org/stable/c/535091c587268cc783608642838a655d828eefdd","https://git.kernel.org/stable/c/0f53ece876e1f3bbb3e18f48afc4af1ee967b16c","https://git.kernel.org/stable/c/b1c5cf8903bec5476a2233b4e45287b9a2213e02","https://git.kernel.org/stable/c/2243778a5fae8329ab5f18e7adcd7e03b911a1b7"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-90374","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-90374","identifiers":["CVE-2026-90374"]},"retained":false,"historicalAffected":[]}],"coverage":[]}