CVE-2001-1559

5.5 MEDIUM
Published: December 31, 2001 Modified: April 16, 2026
View on NVD

Description

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.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://monkey.org/openbsd/archive/tech/0112/msg00015.html
Source: cve@mitre.org
Broken Link Exploit
http://archives.neohapsis.com/archives/bugtraq/2001-12/0014.html
Source: af854a3a-2127-422b-91ae-364da2661108
Broken Link Exploit
http://monkey.org/openbsd/archive/tech/0112/msg00015.html
Source: af854a3a-2127-422b-91ae-364da2661108
Broken Link Exploit
http://www.iss.net/security_center/static/7690.php
Source: af854a3a-2127-422b-91ae-364da2661108
Broken Link

6 reference(s) from NVD

Quick Stats

CVSS v3 Score
5.5 / 10.0
EPSS (Exploit Probability)
0.4%
60th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

Affected Vendors

openbsd