{"id":"CVE-2026-80801","revision":"d91aeacc62224b738e8ade8ac1492eca","records":[{"revision":"d91aeacc62224b738e8ade8ac1492eca","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-80801","aliases":[],"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":0,"publishedAt":"2026-09-04T15:13:15.263+00:00","modifiedAt":"2026-10-19T08:43:54.522+00:00","affected":[{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Linux\",\n                    \"vendor\": \"Linux\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"drivers/nfc/microread/microread.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"cfad1ba87150e198be9ea32367a24e500e59de2c\",\n                            \"lessThan\": \"c6de4241f2efbbab286efbb84a9c7190298b3052\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"cfad1ba87150e198be9ea32367a24e500e59de2c\",\n                            \"lessThan\": \"92a6f0201bb68391b5eba1b3f330af007d7323b6\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"cfad1ba87150e198be9ea32367a24e500e59de2c\",\n                            \"lessThan\": \"cb298672282421159e53ab311fe49d204c8a52da\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"cfad1ba87150e198be9ea32367a24e500e59de2c\",\n                            \"lessThan\": \"18f02354ed229b8e4561b580812d026e7eb29c85\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"cfad1ba87150e198be9ea32367a24e500e59de2c\",\n                            \"lessThan\": \"e6397fe7b8b5ef18e051f49612d40ff476c5f7d9\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"cfad1ba87150e198be9ea32367a24e500e59de2c\",\n                            \"lessThan\": \"d0902a7c454326c6384c614226ab8987f3fd425d\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"cfad1ba87150e198be9ea32367a24e500e59de2c\",\n                            \"lessThan\": \"dabfa26a208e56f4d8dbf26fddc48f188bdb0649\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"cfad1ba87150e198be9ea32367a24e500e59de2c\",\n                            \"lessThan\": \"953963b9ac5eecbb316617d337bfaa3d731e3c5e\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"cfad1ba87150e198be9ea32367a24e500e59de2c\",\n                            \"lessThan\": \"25519469972ef57c3edb1805dabd6c5612b90211\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Linux\",\n                    \"vendor\": \"Linux\",\n                    \"defaultStatus\": \"affected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"drivers/nfc/microread/microread.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"3.9\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"3.9\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"5.10.267\",\n                            \"lessThanOrEqual\": \"5.10.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"5.15.218\",\n                            \"lessThanOrEqual\": \"5.15.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.1.185\",\n                            \"lessThanOrEqual\": \"6.1.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.6.154\",\n                            \"lessThanOrEqual\": \"6.6.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.12.106\",\n                            \"lessThanOrEqual\": \"6.12.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.18.47\",\n                            \"lessThanOrEqual\": \"6.18.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.1.11\",\n                            \"lessThanOrEqual\": \"7.1.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.2.1\",\n                            \"lessThanOrEqual\": \"7.2.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.3\",\n                            \"lessThanOrEqual\": \"*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"original_commit_for_fix\"\n                        }\n                    ]\n                }"}],"metrics":[],"references":["https://git.kernel.org/stable/c/c6de4241f2efbbab286efbb84a9c7190298b3052","https://git.kernel.org/stable/c/92a6f0201bb68391b5eba1b3f330af007d7323b6","https://git.kernel.org/stable/c/cb298672282421159e53ab311fe49d204c8a52da","https://git.kernel.org/stable/c/18f02354ed229b8e4561b580812d026e7eb29c85","https://git.kernel.org/stable/c/e6397fe7b8b5ef18e051f49612d40ff476c5f7d9","https://git.kernel.org/stable/c/d0902a7c454326c6384c614226ab8987f3fd425d","https://git.kernel.org/stable/c/dabfa26a208e56f4d8dbf26fddc48f188bdb0649","https://git.kernel.org/stable/c/953963b9ac5eecbb316617d337bfaa3d731e3c5e","https://git.kernel.org/stable/c/25519469972ef57c3edb1805dabd6c5612b90211"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-80801","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-80801","identifiers":["CVE-2026-80801"]},"retained":false,"historicalAffected":[]}],"coverage":[]}