{"api_version":"1","generated_at":"2026-09-06T09:35:50+00:00","cve":"CVE-2026-80801","urls":{"html":"https://cve.report/CVE-2026-80801","api":"https://cve.report/api/cve/CVE-2026-80801.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-80801","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-80801"},"summary":{"title":"nfc: microread: validate target discovery payload lengths","description":"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.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-09-04 16:18:06","updated_at":"2026-09-04 16:18:06"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/d0902a7c454326c6384c614226ab8987f3fd425d","name":"https://git.kernel.org/stable/c/d0902a7c454326c6384c614226ab8987f3fd425d","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/c6de4241f2efbbab286efbb84a9c7190298b3052","name":"https://git.kernel.org/stable/c/c6de4241f2efbbab286efbb84a9c7190298b3052","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/92a6f0201bb68391b5eba1b3f330af007d7323b6","name":"https://git.kernel.org/stable/c/92a6f0201bb68391b5eba1b3f330af007d7323b6","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/25519469972ef57c3edb1805dabd6c5612b90211","name":"https://git.kernel.org/stable/c/25519469972ef57c3edb1805dabd6c5612b90211","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/953963b9ac5eecbb316617d337bfaa3d731e3c5e","name":"https://git.kernel.org/stable/c/953963b9ac5eecbb316617d337bfaa3d731e3c5e","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/e6397fe7b8b5ef18e051f49612d40ff476c5f7d9","name":"https://git.kernel.org/stable/c/e6397fe7b8b5ef18e051f49612d40ff476c5f7d9","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/18f02354ed229b8e4561b580812d026e7eb29c85","name":"https://git.kernel.org/stable/c/18f02354ed229b8e4561b580812d026e7eb29c85","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/dabfa26a208e56f4d8dbf26fddc48f188bdb0649","name":"https://git.kernel.org/stable/c/dabfa26a208e56f4d8dbf26fddc48f188bdb0649","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/cb298672282421159e53ab311fe49d204c8a52da","name":"https://git.kernel.org/stable/c/cb298672282421159e53ab311fe49d204c8a52da","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-80801","name":"CVE 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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."}],"providerMetadata":{"dateUpdated":"2026-09-04T15:13:15.263Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"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","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-80801","datePublished":"2026-09-04T15:13:15.263Z","dateReserved":"2026-08-26T14:34:25.794Z","dateUpdated":"2026-09-04T15:13:15.263Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-09-04 16:18:06","lastModifiedDate":"2026-09-04 16:18:06","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"80801","Ordinal":"1","Title":"nfc: microread: validate target discovery payload lengths","CVE":"CVE-2026-80801","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"80801","Ordinal":"1","NoteData":"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.","Type":"Description","Title":"nfc: microread: validate target discovery payload lengths"}]}}}