Vulnerabilities > CVE-2001-1047 - Denial Of Service vulnerability in OpenBSD Dup2 VFS Race Condition
Attack vector
LOCAL Attack complexity
HIGH Privileges required
NONE Confidentiality impact
NONE Integrity impact
NONE Availability impact
PARTIAL Summary
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.
Vulnerable Configurations
| Part | Description | Count |
|---|---|---|
| OS | 4 |