{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-90374",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-09-11T19:38:34.808Z",
        "datePublished": "2026-09-17T16:09:14.067Z",
        "dateUpdated": "2026-10-21T12:51:23.581Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-10-21T12:51:23.581Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "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()."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/net/wireless/mediatek/mt76/mt7996/mac.c"
                    ],
                    "versions": [
                        {
                            "version": "98686cd21624c75a043e96812beadddf4f6f48e5",
                            "lessThan": "493a029c205a994644327d554f0cfeb9651aba7c",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "98686cd21624c75a043e96812beadddf4f6f48e5",
                            "lessThan": "535091c587268cc783608642838a655d828eefdd",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "98686cd21624c75a043e96812beadddf4f6f48e5",
                            "lessThan": "0f53ece876e1f3bbb3e18f48afc4af1ee967b16c",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "98686cd21624c75a043e96812beadddf4f6f48e5",
                            "lessThan": "b1c5cf8903bec5476a2233b4e45287b9a2213e02",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "98686cd21624c75a043e96812beadddf4f6f48e5",
                            "lessThan": "2243778a5fae8329ab5f18e7adcd7e03b911a1b7",
                            "status": "affected",
                            "versionType": "git"
                        }
                    ]
                },
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/net/wireless/mediatek/mt76/mt7996/mac.c"
                    ],
                    "versions": [
                        {
                            "version": "6.2",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "6.2",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.160",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.110",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.52",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.2.6",
                            "lessThanOrEqual": "7.2.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.3",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }
            ],
            "cpeApplicability": [
                {
                    "nodes": [
                        {
                            "operator": "OR",
                            "negate": false,
                            "cpeMatch": [
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.2",
                                    "versionEndExcluding": "6.6.160"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.2",
                                    "versionEndExcluding": "6.12.110"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.2",
                                    "versionEndExcluding": "6.18.52"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.2",
                                    "versionEndExcluding": "7.2.6"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.2",
                                    "versionEndExcluding": "7.3"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/493a029c205a994644327d554f0cfeb9651aba7c"
                },
                {
                    "url": "https://git.kernel.org/stable/c/535091c587268cc783608642838a655d828eefdd"
                },
                {
                    "url": "https://git.kernel.org/stable/c/0f53ece876e1f3bbb3e18f48afc4af1ee967b16c"
                },
                {
                    "url": "https://git.kernel.org/stable/c/b1c5cf8903bec5476a2233b4e45287b9a2213e02"
                },
                {
                    "url": "https://git.kernel.org/stable/c/2243778a5fae8329ab5f18e7adcd7e03b911a1b7"
                }
            ],
            "title": "wifi: mt76: mt7996: validate RX band_idx before dereferencing phys[]",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
        }
    }
}