{"cve":"CVE-2001-1047","nvd":{"published":"2001-06-02T04:00:00.000","modified":"2026-06-16T21:55:28.820","status":"Modified","description":"Race condition in OpenBSD VFS allows local users to cause a denial of service (kernel panic) by (1) creating a pipe in one thread and causing another thread to set one of the file descriptors to NULL via a close, or (2) calling dup2 on a file descriptor in one process, then setting the descriptor to NULL via a close in another process that is created via rfork.","cvss_v4":null,"cvss_v3":null,"cwes":[],"references":["http://seclists.org/bugtraq/2001/Jun/0020.html","http://www.securityfocus.com/bid/2817","http://www.securityfocus.com/bid/2818","https://exchange.xforce.ibmcloud.com/vulnerabilities/6660","https://exchange.xforce.ibmcloud.com/vulnerabilities/6661"],"products":["openbsd:openbsd"],"source":"nvd","synced_at":"2026-10-19T19:33:02.361923049+00:00"},"epss":{"cve":"CVE-2001-1047","score":0.00269,"percentile":0.19104,"date":"2026-10-31"},"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."]}