Subject: Bridge filtering can cause crash (fwd)
To: None <>
From: Reinoud <>
List: tech-net
Date: 08/01/2000 17:56:34

Currently i am away from home and cant reach a netbsd with up to date
source now.
However, i wonder if netbsd does such a checks a Darren refered to below?
Anyone knows?


---------- Forwarded message ----------
Date: Tue, 1 Aug 2000 07:11:36 +1000 (EST)
From: Darren Reed <>
To: Siobhan Patricia Lynch <>
Cc: freebsd-security@FreeBSD.ORG
Subject: Bridge filtering can cause crash

Just in case anyone is wondering, if you look at the bridge_filter()
routine in /sys/net/if_bridg.c for OpenBSD, you will see that it does
a number of sanity checks on the packet - none of which FreeBSD does -
before passing it to the filtering routine(s).