netdev - Re: [stable] netfilter: ipset: Check and reject crazy /0 input parameters

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Message-ID: <alpine.DEB.2.10.1312242342240.22624@blackhole.kfki.hu>
Date:	Tue, 24 Dec 2013 23:42:53 +0100 (CET)
From:	Jozsef Kadlecsik <kadlec@...ckhole.kfki.hu>
To:	Ben Hutchings <ben@...adent.org.uk>
cc:	David Miller <davem@...emloft.net>,
	Neutron Soutmun <neo.neutron@...il.com>,
	732689@...s.debian.org, netdev <netdev@...r.kernel.org>,
	stable@...r.kerne.org
Subject: Re: [stable] netfilter: ipset: Check and reject crazy /0 input
 parameters

On Tue, 24 Dec 2013, Ben Hutchings wrote:

> This fix went into Linux 3.7:
> 
> commit b9fed748185a96b7cfe74afac4bd228e8af16f01
> Author: Jozsef Kadlecsik <kadlec@...ckhole.kfki.hu>
> Date:   Tue Sep 4 17:45:59 2012 +0200
> 
>     netfilter: ipset: Check and reject crazy /0 input parameters
>     
>     bitmap:ip and bitmap:ip,mac type did not reject such a crazy range
>     when created and using such a set results in a kernel crash.
>     The hash types just silently ignored such parameters.
>     
>     Reject invalid /0 input parameters explicitely.
>     
>     Signed-off-by: Jozsef Kadlecsik <kadlec@...ckhole.kfki.hu>
> 
> Should it also go into stable 3.x.y updates?  I checked that it applies
> and builds cleanly on top of 3.2.53.

Yes, it should go into the stable updates too.

Best regards,
Jozsef
-
E-mail  : kadlec@...ckhole.kfki.hu, kadlecsik.jozsef@...ner.mta.hu
PGP key : http://www.kfki.hu/~kadlec/pgp_public_key.txt
Address : Wigner Research Centre for Physics, Hungarian Academy of Sciences
          H-1525 Budapest 114, POB. 49, Hungary
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