{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-98159",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-09-25T10:25:14.321Z",
        "datePublished": "2026-09-25T10:36:28.206Z",
        "dateUpdated": "2026-10-19T09:14:53.011Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-10-19T09:14:53.011Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mt76: mt7921: validate CLC firmware records\n\nThe CLC region is supplied by firmware, but the loader trusts the\nregion count and each record length. A malformed image can make the\nregion table pointer precede the firmware buffer, make the record loop\nfail to advance, or index phy->clc past its end. Validate the table and\nrecord bounds before dereferencing or copying."
                }
            ],
            "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/mt7921/mcu.c"
                    ],
                    "versions": [
                        {
                            "version": "23bdc5d8cadfc941e7782d0cb8afb2d9ae73b125",
                            "lessThan": "46673662402884ca55a869e4ebe956e08e8b6b05",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "23bdc5d8cadfc941e7782d0cb8afb2d9ae73b125",
                            "lessThan": "740272d46ffc8231709a5e774cf5e4a5785b8a02",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "23bdc5d8cadfc941e7782d0cb8afb2d9ae73b125",
                            "lessThan": "602a950134ee2940136f60797e4457c3983b06ce",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "23bdc5d8cadfc941e7782d0cb8afb2d9ae73b125",
                            "lessThan": "3896be051e928c891922d91de94c99519d215dff",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "23bdc5d8cadfc941e7782d0cb8afb2d9ae73b125",
                            "lessThan": "3c505e2af16a9320f4355218394a955fbbc65322",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "23bdc5d8cadfc941e7782d0cb8afb2d9ae73b125",
                            "lessThan": "9417c5818a0146980c2608fda94c908e604eb033",
                            "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/mt7921/mcu.c"
                    ],
                    "versions": [
                        {
                            "version": "6.1",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "6.1",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.189",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.158",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.111",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.53",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.2.7",
                            "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": "6.1",
                                    "versionEndExcluding": "6.1.189"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.1",
                                    "versionEndExcluding": "6.6.158"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.1",
                                    "versionEndExcluding": "6.12.111"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.1",
                                    "versionEndExcluding": "6.18.53"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.1",
                                    "versionEndExcluding": "7.2.7"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.1",
                                    "versionEndExcluding": "7.3"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/46673662402884ca55a869e4ebe956e08e8b6b05"
                },
                {
                    "url": "https://git.kernel.org/stable/c/740272d46ffc8231709a5e774cf5e4a5785b8a02"
                },
                {
                    "url": "https://git.kernel.org/stable/c/602a950134ee2940136f60797e4457c3983b06ce"
                },
                {
                    "url": "https://git.kernel.org/stable/c/3896be051e928c891922d91de94c99519d215dff"
                },
                {
                    "url": "https://git.kernel.org/stable/c/3c505e2af16a9320f4355218394a955fbbc65322"
                },
                {
                    "url": "https://git.kernel.org/stable/c/9417c5818a0146980c2608fda94c908e604eb033"
                }
            ],
            "title": "wifi: mt76: mt7921: validate CLC firmware records",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
        }
    }
}