From: Tim Gardner <tim.gardner@canonical.com>
Date: Tue, 23 Feb 2010 13:55:21 +0000 (+0100)
Subject: netfilter: xt_recent: fix buffer overflow
X-Git-Tag: v2.6.34-rc1~233^2~90^2~6
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=2c08522e5d2f0af2d6f05be558946dcbf8173683;p=pandora-kernel.git

netfilter: xt_recent: fix buffer overflow

e->index overflows e->stamps[] every ip_pkt_list_tot packets.

Consider the case when ip_pkt_list_tot==1; the first packet received is stored
in e->stamps[0] and e->index is initialized to 1. The next received packet
timestamp is then stored at e->stamps[1] in recent_entry_update(),
a buffer overflow because the maximum e->stamps[] index is 0.

Signed-off-by: Tim Gardner <tim.gardner@canonical.com>
Cc: stable@kernel.org
Signed-off-by: Patrick McHardy <kaber@trash.net>
---

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