linux-kernel - Re: [patch] Staging: tidspbridge: make mmap root-only so it is not a security problem

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Message-ID: <20131130220553.GA1901@kroah.com>
Date:	Sat, 30 Nov 2013 14:05:53 -0800
From:	Greg KH <gregkh@...uxfoundation.org>
To:	Pavel Machek <pavel@....cz>
Cc:	Dan Carpenter <dan.carpenter@...cle.com>,
	Ivajlo Dimitrov <ivo.g.dimitrov.75@...il.com>,
	Ивайло Димитров 
	<freemangordon@....bg>, pali.rohar@...il.com, sre@...g0.de,
	omar.ramirez@...itl.com, tony@...mide.com,
	felipe.contreras@...il.com, s-anna@...com, nm@...com,
	ohad@...ery.com, stable@...r.kernel.org,
	linux-kernel@...r.kernel.org, nico@...lde.de
Subject: Re: [patch] Staging: tidspbridge: make mmap root-only so it is not a
 security problem

On Sat, Nov 30, 2013 at 09:42:37PM +0100, Pavel Machek wrote:
> 
> mmap in tidspbridge is missing range-checks. For now, make this
> interface root-only, so that it does not cause security problems.

Please fix this properly and don't paper over the real problem here.

thanks,

greg k-h
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