{"cve":"CVE-2026-98481","nvd":{"published":"2026-10-18T16:16:58.697","modified":"2026-10-19T10:18:59.333","status":"Received","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nnfc: port100: reject frames whose declared length exceeds the received data\n\nport100_recv_response() passes the URB transfer buffer to\nport100_rx_frame_is_valid(), which checksums le16_to_cpu(frame->datalen)\nbytes of frame->data. datalen is a 16-bit field supplied by the device\nand is never checked against the number of bytes actually received\n(urb->actual_length), so a device reporting a datalen larger than the\nreceived frame makes port100_data_checksum() read out of bounds past the\ntransfer buffer.\n\nReject a response whose declared frame size does not fit the received\nlength before validating it.\n\nFound by 0sec (https://0sec.ai) using automated source analysis; the\nmissing bound is evident from source. Compile-tested.","cvss_v4":null,"cvss_v3":null,"cwes":[],"references":["https://git.kernel.org/stable/c/035056e07ea65be670284246d9bc62f2f00ff4a3","https://git.kernel.org/stable/c/092c6a605cbd6414ef499834c2e0da69c2c3388e","https://git.kernel.org/stable/c/0d482995f0cdd0302450aa300c684c642d8ab31f","https://git.kernel.org/stable/c/144ad477c381e2c592b64898d04ab4ce03b32861","https://git.kernel.org/stable/c/14b1467cfc6630583650f33538174c5a1ec685ab"],"products":[],"source":"nvd","synced_at":"2026-10-19T23:00:53.604569364+00:00"},"epss":{"cve":"CVE-2026-98481","score":0.00216,"percentile":0.11942,"date":"2026-10-25"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}