{"cve":"CVE-2025-40057","nvd":{"published":"2025-10-28T12:15:40.033","modified":"2026-10-21T13:18:18.360","status":"Deferred","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nptp: Add a upper bound on max_vclocks\n\nsyzbot reported WARNING in max_vclocks_store.\n\nThis occurs when the argument max is too large for kcalloc to handle.\n\nExtend the guard to guard against values that are too large for\nkcalloc","cvss_v4":null,"cvss_v3":null,"cwes":[],"references":["https://git.kernel.org/stable/c/35ce5f163889dbce88eda1df661b357a09bbed87","https://git.kernel.org/stable/c/8dd446056336faa2283d62cefc2f576536845edc","https://git.kernel.org/stable/c/da513f2ad1b1b1cf1880ccc2603ce1f1f818eb2e","https://git.kernel.org/stable/c/e9f35294e18da82162004a2f35976e7031aaf7f9"],"products":[],"source":"nvd","synced_at":"2026-10-22T16:41:11.231219466+00:00"},"epss":{"cve":"CVE-2025-40057","score":0.00249,"percentile":0.16041,"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."]}