full-disclosure - Re: nullpointer fix question

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Message-ID: <mpro.kodj0e007vcm800hy.taviso@sdf.lonestar.org>
Date: Fri, 14 Aug 2009 17:57:50 +0200
From: Tavis Ormandy <taviso@....lonestar.org>
To: full-disclosure@...ts.grok.org.uk
Subject: Re: nullpointer fix question

maxigas <maxigas@...rgeek.net> wrote:

> hi!
> 
> Should this fix work against the nullpointer linux kernel vulnerability?

It looks incomplete, I don't see PF_ISDN or PF_IUCV, for example.

But this general approach looks fine, and is actually what Red Hat have
reccommended to their customers.

https://bugzilla.redhat.com/show_bug.cgi?id=516949#c10

Obviously if you don't use redhat, you should check what else your
distribution provides.

> Should it break any services on a usual LAMP machine?
> 

If you know you don't need PF_INET6, then it should be fine. You would most
likely know if you needed the others.

Thanks, Tavis.

-- 
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taviso@....lonestar.org | finger me for my pgp key.
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