{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-99100",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-09-25T10:25:14.391Z",
        "datePublished": "2026-10-28T03:55:38.898Z",
        "dateUpdated": "2026-10-30T12:41:43.944Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-10-30T12:41:43.944Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: p54: validate firmware record lengths\n\nThe p54 firmware parser accesses component ID and component version\nrecords without checking that their lengths cover the fields being read.\nA malformed record can therefore make the parser read past the record.\n\nValidate the component ID and component version record lengths before\naccessing their data. The descriptor record is also checked against the\nshortest descriptor length found in the supported firmware images.\n\nReject descriptor values that underflow the RX offset or produce an empty\nRX range before updating the driver state."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/net/wireless/intersil/p54/fwio.c"
                    ],
                    "versions": [
                        {
                            "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
                            "lessThan": "87a9aba92485889d510052e474999a6ec00b888c",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
                            "lessThan": "d5c28994b2c1440480fccd0b6c2ce72c23bb9fff",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
                            "lessThan": "9af312d3607c8f9b5166a19cbf40cee351cc3a1d",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
                            "lessThan": "dda5245afc3470d70406764e3d9f5508e534920a",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
                            "lessThan": "f4c6fcc2ad462ffd76d6e6f909bcd6ae0391f5b7",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
                            "lessThan": "f641066b0ddcd1b0cf007c0d04f9c966f6e888ae",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
                            "lessThan": "8c4f962f368d5e17481f3c2c5a43028953e137a5",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
                            "lessThan": "db7b86bd97b380ece8fa39cfdd7502a9fd35e56f",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "0",
                            "lessThan": "5.10.273",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "0",
                            "lessThan": "5.15.224",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "0",
                            "lessThan": "6.1.191",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "0",
                            "lessThan": "6.6.161",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "0",
                            "lessThan": "6.12.115",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "0",
                            "lessThan": "6.18.59",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "0",
                            "lessThan": "7.2.13",
                            "status": "affected",
                            "versionType": "semver"
                        }
                    ]
                },
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/net/wireless/intersil/p54/fwio.c"
                    ],
                    "versions": [
                        {
                            "version": "5.10.273",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.224",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.191",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.161",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.115",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.59",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.2.13",
                            "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:*:*:*:*:*:*:*:*",
                                    "versionEndExcluding": "5.10.273"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionEndExcluding": "5.15.224"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionEndExcluding": "6.1.191"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionEndExcluding": "6.6.161"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionEndExcluding": "6.12.115"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionEndExcluding": "6.18.59"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionEndExcluding": "7.2.13"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionEndExcluding": "7.3"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/87a9aba92485889d510052e474999a6ec00b888c"
                },
                {
                    "url": "https://git.kernel.org/stable/c/d5c28994b2c1440480fccd0b6c2ce72c23bb9fff"
                },
                {
                    "url": "https://git.kernel.org/stable/c/9af312d3607c8f9b5166a19cbf40cee351cc3a1d"
                },
                {
                    "url": "https://git.kernel.org/stable/c/dda5245afc3470d70406764e3d9f5508e534920a"
                },
                {
                    "url": "https://git.kernel.org/stable/c/f4c6fcc2ad462ffd76d6e6f909bcd6ae0391f5b7"
                },
                {
                    "url": "https://git.kernel.org/stable/c/f641066b0ddcd1b0cf007c0d04f9c966f6e888ae"
                },
                {
                    "url": "https://git.kernel.org/stable/c/8c4f962f368d5e17481f3c2c5a43028953e137a5"
                },
                {
                    "url": "https://git.kernel.org/stable/c/db7b86bd97b380ece8fa39cfdd7502a9fd35e56f"
                }
            ],
            "title": "wifi: p54: validate firmware record lengths",
            "x_generator": {
                "engine": "bippy-1.2.0"
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        }
    }
}