{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-80801",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-08-26T14:34:25.794Z",
        "datePublished": "2026-09-04T15:13:15.263Z",
        "dateUpdated": "2026-10-19T08:43:54.522Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-10-19T08:43:54.522Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnfc: microread: validate target discovery payload lengths\n\nmicroread_target_discovered() parses target discovery payloads from\nskb->data according to the HCI gate. The fixed field offsets and UID\ncopies were checked only against the destination nfc_target buffers, not\nagainst the actual skb length.\n\nValidate that each gate-specific payload contains the fixed fields and\nUID bytes before reading or copying them."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/nfc/microread/microread.c"
                    ],
                    "versions": [
                        {
                            "version": "cfad1ba87150e198be9ea32367a24e500e59de2c",
                            "lessThan": "c6de4241f2efbbab286efbb84a9c7190298b3052",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "cfad1ba87150e198be9ea32367a24e500e59de2c",
                            "lessThan": "92a6f0201bb68391b5eba1b3f330af007d7323b6",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "cfad1ba87150e198be9ea32367a24e500e59de2c",
                            "lessThan": "cb298672282421159e53ab311fe49d204c8a52da",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "cfad1ba87150e198be9ea32367a24e500e59de2c",
                            "lessThan": "18f02354ed229b8e4561b580812d026e7eb29c85",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "cfad1ba87150e198be9ea32367a24e500e59de2c",
                            "lessThan": "e6397fe7b8b5ef18e051f49612d40ff476c5f7d9",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "cfad1ba87150e198be9ea32367a24e500e59de2c",
                            "lessThan": "d0902a7c454326c6384c614226ab8987f3fd425d",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "cfad1ba87150e198be9ea32367a24e500e59de2c",
                            "lessThan": "dabfa26a208e56f4d8dbf26fddc48f188bdb0649",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "cfad1ba87150e198be9ea32367a24e500e59de2c",
                            "lessThan": "953963b9ac5eecbb316617d337bfaa3d731e3c5e",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "cfad1ba87150e198be9ea32367a24e500e59de2c",
                            "lessThan": "25519469972ef57c3edb1805dabd6c5612b90211",
                            "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/nfc/microread/microread.c"
                    ],
                    "versions": [
                        {
                            "version": "3.9",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "3.9",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.267",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.218",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.185",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.154",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.106",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.47",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.1.11",
                            "lessThanOrEqual": "7.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.2.1",
                            "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": "3.9",
                                    "versionEndExcluding": "5.10.267"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.9",
                                    "versionEndExcluding": "5.15.218"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.9",
                                    "versionEndExcluding": "6.1.185"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.9",
                                    "versionEndExcluding": "6.6.154"
                                },
                                {
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                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.9",
                                    "versionEndExcluding": "6.12.106"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.9",
                                    "versionEndExcluding": "6.18.47"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.9",
                                    "versionEndExcluding": "7.1.11"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.9",
                                    "versionEndExcluding": "7.2.1"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.9",
                                    "versionEndExcluding": "7.3"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/c6de4241f2efbbab286efbb84a9c7190298b3052"
                },
                {
                    "url": "https://git.kernel.org/stable/c/92a6f0201bb68391b5eba1b3f330af007d7323b6"
                },
                {
                    "url": "https://git.kernel.org/stable/c/cb298672282421159e53ab311fe49d204c8a52da"
                },
                {
                    "url": "https://git.kernel.org/stable/c/18f02354ed229b8e4561b580812d026e7eb29c85"
                },
                {
                    "url": "https://git.kernel.org/stable/c/e6397fe7b8b5ef18e051f49612d40ff476c5f7d9"
                },
                {
                    "url": "https://git.kernel.org/stable/c/d0902a7c454326c6384c614226ab8987f3fd425d"
                },
                {
                    "url": "https://git.kernel.org/stable/c/dabfa26a208e56f4d8dbf26fddc48f188bdb0649"
                },
                {
                    "url": "https://git.kernel.org/stable/c/953963b9ac5eecbb316617d337bfaa3d731e3c5e"
                },
                {
                    "url": "https://git.kernel.org/stable/c/25519469972ef57c3edb1805dabd6c5612b90211"
                }
            ],
            "title": "nfc: microread: validate target discovery payload lengths",
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    }
}