CVE-2001-1047: Race Condition
First published: Sat Jun 02 2001(Updated: )
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.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| OpenBSD | =2.8 | |
| OpenBSD | =2.9 | |
| OpenBSD | =2.7 | |
| OpenBSD | =2.6 |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2001-1047?
CVE-2001-1047 has a severity rating that indicates it can lead to a denial of service, specifically a kernel panic.
How do I fix CVE-2001-1047?
To fix CVE-2001-1047, users should upgrade their OpenBSD installations to versions that do not include this vulnerability.
Which OpenBSD versions are affected by CVE-2001-1047?
CVE-2001-1047 affects OpenBSD versions 2.6, 2.7, 2.8, and 2.9.
What type of attack does CVE-2001-1047 allow?
CVE-2001-1047 allows a local user to exploit a race condition resulting in a denial of service.
Can CVE-2001-1047 be exploited remotely?
No, CVE-2001-1047 requires local access to exploit the vulnerability.
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