Subject: Re: LKM rootkits in 2.6.x
From: Christophe Saout <christophe@saout.de>
To: Horst von Brand <vonbrand@inf.utfsm.cl>
Cc: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
In-Reply-To: <200403112033.i2BKX9B6005538@eeyore.valparaiso.cl>
References: <200403112033.i2BKX9B6005538@eeyore.valparaiso.cl>
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Date: Thu, 11 Mar 2004 21:35:32 +0100
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Am Do, den 11.03.2004 schrieb Horst von Brand um 21:33:

> > > Don't bet on it.  They'll just start doing what binary-only driver vendors
> > > have been doing for months.. If the table isn't exported, they find a
> > > symbol that is exported, and grovel around in memory near there until
> > > they find something that looks like it, and patch accordingly.
> 
> > Ugh... this sounds ugly. This should be forbidden. I mean, what are
> > things like EXPORT_SYMBOL_GPL for if drivers are allowed to patch
> > whatever they want?
> 
> It _is_ forbidden. This isn't any kind of accident we are talking about,
> this is out and out fraud.

I'm talking about binary modules, not rootkits. Vendors aren't doing
forbidden things, are they?


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