Multiple Vendor BSD Semaphore IPC Denial Of Service Vulnerability

Multiple Vendor BSD Semaphore IPC Denial Of Service Vulnerability

Solution:
A patch is available for OpenBSD at http://www.openbsd.org/errata26.html#semconfig

From the NetBSD advisory:

For NetBSD 1.4, 1.4.1, and 1.4.2:
A patch is available in

ftp://ftp.NetBSD.ORG/pub/NetBSD/misc/security/patches/20000527-sysvsem

For NetBSD-current:

NetBSD-current since 20000527 contains all the fixes, and is not
vulnerable. Users of NetBSD-current should upgrade to a source tree
dated 20000527 or later.
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From the FreeBSD Advisory:
Upgrade to FreeBSD 2.1.7.1-STABLE, 2.2.8-STABLE, 3.4-STABLE,
4.0-STABLE or 5.0-CURRENT after the correction date.

A patch is also available. See FreeBSD Advisory SA-00:19