CVE-2001-1047
Race condition in OpenBSD VFS allows local users to cause a denial of service (kernel panic) by ...
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.
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2001-1047- CVSS 2.0
- 1.2 Low
AV:L/AC:H/Au:N/C:N/I:N/A:P - Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2001-1047- Updated
- 2026-11-02
EUVDEUVD-2001-1028 No score
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.
- Record
EUVD-2001-1028- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-6qmf-988v-6g8q No score
Race condition in OpenBSD VFS allows local users to cause a denial of service (kernel panic) by ...
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.
- Record
GHSA-6qmf-988v-6g8q- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2001-1047 is a low vulnerability (CVSS 1.2) in Openbsd, published June 2, 2001. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.27%, the 19th percentile. No source names a fixed version.