CVE DATABASE / CVE-2001-1559
CVE-2001-1559
CVSS 5.5 · MEDIUM
Summary
The uipc system calls (uipc_syscalls.c) in OpenBSD 2.9 and 3.0 provide user mode return instead of versus rval kernel mode values to the fdrelease function, which allows local users to cause a denial of service and trigger a null dereference.
CVSS 3.1 breakdown
| Base score | 5.5 (MEDIUM) |
| Vector | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
| Attack vector | LOCAL |
| Attack complexity | LOW |
| Privileges required | LOW |
| User interaction | NONE |
| Scope | UNCHANGED |
| Confidentiality | NONE |
| Integrity | NONE |
| Availability | HIGH |
Weakness type (CWE)
Affected products
Openbsd openbsd
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References
- http://archives.neohapsis.com/archives/bugtraq/2001-12/0014.html
- http://monkey.org/openbsd/archive/tech/0112/msg00015.html
- http://www.iss.net/security_center/static/7690.php
Data: NIST NVD. NVD last modified 2026-04-16. Always verify against the vendor advisory before acting.