{"id":"CVE-2001-1047","aliases":["EUVD-2001-1028","GHSA-6qmf-988v-6g8q"],"status":"published","title":"Race condition in OpenBSD VFS allows local users to cause a denial of service (kernel panic) by ...","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.","severity":{"version":"2.0","score":1.2,"vector":"AV:L/AC:H/Au:N/C:N/I:N/A:P","level":"low","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.00269,"percentile":0.19163,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2001-06-02T04:00:00Z","modified":"2026-06-16T21:55:28Z","products":[{"vendor":"openbsd","product":"openbsd"}],"references":[{"url":"http://seclists.org/bugtraq/2001/Jun/0020.html","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred"]},{"url":"http://www.securityfocus.com/bid/2817","tags":["vdb-entry","x_refsource_BID","x_transferred","Vendor Advisory"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/6660","tags":["vdb-entry","x_refsource_XF","x_transferred"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/6661","tags":["vdb-entry","x_refsource_XF","x_transferred"]},{"url":"http://www.securityfocus.com/bid/2818","tags":["vdb-entry","x_refsource_BID","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2001-1047"},{"url":"https://github.com/advisories/GHSA-6qmf-988v-6g8q"}],"sources":{"cve":[{"id":"CVE-2001-1047","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.","status":"published","published":"2002-02-02T05:00:00Z","modified":"2024-08-08T04:44:07.058Z","updated_at":"2026-11-02T14:34:42.680977Z"}],"euvd":[{"id":"EUVD-2001-1028","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.","status":"published","published":"2002-02-02T05:00:00Z","modified":"2024-08-08T04:44:07Z","updated_at":"2026-11-03T01:14:49.089023Z"}],"ghsa":[{"id":"GHSA-6qmf-988v-6g8q","title":"Race condition in OpenBSD VFS allows local users to cause a denial of service (kernel panic) by ...","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.","status":"published","published":"2022-04-30T18:17:13Z","modified":"2023-01-30T05:05:10Z","updated_at":"2026-11-02T14:47:12.491869Z"}],"nvd":[{"id":"CVE-2001-1047","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.","status":"published","published":"2001-06-02T04:00:00Z","modified":"2026-06-16T21:55:28.82Z","cvss":[{"version":"2.0","score":1.2,"vector":"AV:L/AC:H/Au:N/C:N/I:N/A:P","level":"low","assessor":"primary"}],"updated_at":"2026-11-02T14:00:40.041412Z"}]}}