{"id":"CVE-2026-80803","summary":"nfc: digital: clamp SENSF_RES length to the destination buffer","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nnfc: digital: clamp SENSF_RES length to the destination buffer\n\ndigital_in_recv_sensf_res() memcpy()s resp-\u003elen bytes from a remote\nNFC-F device response into the NFC_SENSF_RES_MAXSIZE-byte target.sensf_res\nfield without an upper-bound check. A nearby malicious NFC-F device can\nsend an oversized SENSF_RES response to overflow the stack-local struct\nnfc_target.\n\nClamp resp-\u003elen to NFC_SENSF_RES_MAXSIZE before the copy.\n\nFound by 0sec automated security-research tooling (https://0sec.ai).","modified":"2026-09-06T03:46:46.251804954Z","published":"2026-09-04T15:13:17.298Z","database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/80xxx/CVE-2026-80803.json"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/31aa28ed732f66ab83c40ef53d99791be69b85c4"},{"type":"WEB","url":"https://git.kernel.org/stable/c/344a56d7c8e0f3cbaff0bcb1bcd95a1a1db24b16"},{"type":"WEB","url":"https://git.kernel.org/stable/c/4e942da2869bcd646353eef706b7dd82efeb9db5"},{"type":"WEB","url":"https://git.kernel.org/stable/c/6afb29751ee731e7f7a96feb8a15f91441e552ba"},{"type":"WEB","url":"https://git.kernel.org/stable/c/a1ef9bddfbb3ae42b036c5aa16cf386d78db70b6"},{"type":"WEB","url":"https://git.kernel.org/stable/c/a56773e649ea99b344d6bbaf90f34c8e3fadef5d"},{"type":"WEB","url":"https://git.kernel.org/stable/c/af4c0606f743e009254a8d252096855335ade85d"},{"type":"WEB","url":"https://git.kernel.org/stable/c/d0756a98277e383c26fead988a96c91f0781cd7f"},{"type":"WEB","url":"https://git.kernel.org/stable/c/e886c63d2ca7108826076989103a1ffa8a0bb8f4"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/80xxx/CVE-2026-80803.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-80803"},{"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":"8c0695e4998dd268ff2a05951961247b7e015651"},{"fixed":"6afb29751ee731e7f7a96feb8a15f91441e552ba"},{"fixed":"e886c63d2ca7108826076989103a1ffa8a0bb8f4"},{"fixed":"4e942da2869bcd646353eef706b7dd82efeb9db5"},{"fixed":"d0756a98277e383c26fead988a96c91f0781cd7f"},{"fixed":"af4c0606f743e009254a8d252096855335ade85d"},{"fixed":"a56773e649ea99b344d6bbaf90f34c8e3fadef5d"},{"fixed":"a1ef9bddfbb3ae42b036c5aa16cf386d78db70b6"},{"fixed":"31aa28ed732f66ab83c40ef53d99791be69b85c4"},{"fixed":"344a56d7c8e0f3cbaff0bcb1bcd95a1a1db24b16"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-80803.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"3.13.0"},{"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-2026-80803.json"}}],"schema_version":"1.9.0"}