{"id":"CVE-2026-80801","summary":"nfc: microread: validate target discovery payload lengths","details":"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-\u003edata 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.","modified":"2026-09-06T03:46:47.257277294Z","published":"2026-09-04T15:13:15.263Z","database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/80xxx/CVE-2026-80801.json"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/18f02354ed229b8e4561b580812d026e7eb29c85"},{"type":"WEB","url":"https://git.kernel.org/stable/c/25519469972ef57c3edb1805dabd6c5612b90211"},{"type":"WEB","url":"https://git.kernel.org/stable/c/92a6f0201bb68391b5eba1b3f330af007d7323b6"},{"type":"WEB","url":"https://git.kernel.org/stable/c/953963b9ac5eecbb316617d337bfaa3d731e3c5e"},{"type":"WEB","url":"https://git.kernel.org/stable/c/c6de4241f2efbbab286efbb84a9c7190298b3052"},{"type":"WEB","url":"https://git.kernel.org/stable/c/cb298672282421159e53ab311fe49d204c8a52da"},{"type":"WEB","url":"https://git.kernel.org/stable/c/d0902a7c454326c6384c614226ab8987f3fd425d"},{"type":"WEB","url":"https://git.kernel.org/stable/c/dabfa26a208e56f4d8dbf26fddc48f188bdb0649"},{"type":"WEB","url":"https://git.kernel.org/stable/c/e6397fe7b8b5ef18e051f49612d40ff476c5f7d9"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/80xxx/CVE-2026-80801.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-80801"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"cfad1ba87150e198be9ea32367a24e500e59de2c"},{"fixed":"c6de4241f2efbbab286efbb84a9c7190298b3052"},{"fixed":"92a6f0201bb68391b5eba1b3f330af007d7323b6"},{"fixed":"cb298672282421159e53ab311fe49d204c8a52da"},{"fixed":"18f02354ed229b8e4561b580812d026e7eb29c85"},{"fixed":"e6397fe7b8b5ef18e051f49612d40ff476c5f7d9"},{"fixed":"d0902a7c454326c6384c614226ab8987f3fd425d"},{"fixed":"dabfa26a208e56f4d8dbf26fddc48f188bdb0649"},{"fixed":"953963b9ac5eecbb316617d337bfaa3d731e3c5e"},{"fixed":"25519469972ef57c3edb1805dabd6c5612b90211"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-80801.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"3.9.0"},{"fixed":"5.10.267"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.11.0"},{"fixed":"5.15.218"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.16.0"},{"fixed":"6.1.185"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.2.0"},{"fixed":"6.6.154"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.7.0"},{"fixed":"6.12.106"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.13.0"},{"fixed":"6.18.47"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.19.0"},{"fixed":"7.1.11"}]},{"type":"ECOSYSTEM","events":[{"introduced":"7.2.0"},{"fixed":"7.2.1"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-80801.json"}}],"schema_version":"1.9.0"}