#!/bin/sh
# 
# 2009      Nico Schottelius (nico-linux at schottelius.org)
# 
# This file is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
# 
# This file is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
# 
# You should have received a copy of the GNU General Public License
# along with this file. If not, see <http://www.gnu.org/licenses/>.
#
# Workaround for local root exploit http://lwn.net/Articles/347006/
#
# Idea based on data from D-INFK ISG (www.isg.inf.ethz.ch)
#

string="# workaround for CVE-2009-2692"
file="/etc/modprobe.d/aliases"

grep "^$string" "$file" >/dev/null || cat << eof >> "$file"
$string
alias net-pf-10 off
alias ipv6 off
alias ib_ipoib off
alias net-pf-3 off
alias net-pf-4 off
alias net-pf-5 off
alias net-pf-9 off
alias net-pf-23 off
alias net-pf-24 off
alias net-pf-31 off
eof

echo "You have to reboot your system (press enter to do so)"

# reboot directly, if there's -f
if [ "$1" != "-f" ]; then
   read rebootme
fi
reboot