The undocumented semconfig system call in BSD freezes the state of semaphores, which allows local users to cause a denial of service of the semaphore system by using the semconfig call.
http://www.securityfocus.com/bid/1270
http://www.openbsd.org/errata26.html#semconfig
Source: Mitre, NVD
Published: 2000-05-29
Updated: 2026-06-16
Base Score: 2.1
Vector: CVSS2#AV:L/AC:L/Au:N/C:N/I:N/A:P
Severity: Low
Base Score: 5.5
Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Severity: Medium
EPSS: 0.00084