linux-kernel - Re: [PATCH] VM/Security: add security hook to do

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Message-ID: <Xine.LNX.4.64.0712052315150.25177@us.intercode.com.au>
Date:	Wed, 5 Dec 2007 23:15:35 +1100 (EST)
From:	James Morris <jmorris@...ei.org>
To:	Alan Cox <alan@...hat.com>
cc:	Eric Paris <eparis@...hat.com>, linux-kernel@...r.kernel.org,
	chrisw@...hat.com, akpm@...ux-foundation.org,
	linux-security-module@...r.kernel.org, solar@...nwall.com,
	wtarreau@...a.kernel.org
Subject: Re: [PATCH] VM/Security: add security hook to do_brk

On Tue, 4 Dec 2007, Alan Cox wrote:

> On Tue, Dec 04, 2007 at 11:06:55AM -0500, Eric Paris wrote:
> > Given a specifically crafted binary do_brk() can be used to get low
> > pages available in userspace virtually memory and can thus be used to
> > circumvent the mmap_min_addr low memory protection.  Add security checks
> > in do_brk().
> > 
> > Signed-off-by: Eric Paris <eparis@...hat.com>
> 
> ACK

Applied to
git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/selinux-2.6.git#for-akpm

-- 
James Morris
<jmorris@...ei.org>
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