[NETFILTER]: nf_conntrack_h323: add checking of out-of-range on choices' index values

[David Miller]

From: Patrick McHardy <kaber at trash.net>
Date: Thu, 05 Jul 2007 20:42:14 +0200

> Fix a remotely triggerable crash in the netfilter H.323 connection
> tracking helper. Patch applies to stable 2.6.20/2.6.21 and current
> -git.

Applied, thanks Patrick.