To: A M <alim1993@yahoo.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: Accessing a process structure in the processes link list
References: <20041128225720.99389.qmail@web51909.mail.yahoo.com>
From: Doug McNaught <doug@mcnaught.org>
Date: Sun, 28 Nov 2004 18:13:42 -0500
In-Reply-To: <20041128225720.99389.qmail@web51909.mail.yahoo.com> (A. M.'s
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A M <alim1993@yahoo.com> writes:

> Would it be possible for a program running as root
> that wasn't compiled with the kernel to access a
> process structure in the processes link list? 

Yes, but see below.

> I've read an article about hiding processes and the
> article made sound so easy to access the link list and
> hide a process, how easy is it?

You need read access to /dev/kmem and a fairly intimate knowledge of
the kernel data structures in question.
 
> Is it possible to a process to access its own entry in
> the processes link list?

Not without read access to the kmem device...

-Doug
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