linux-kernel - Re: Linux 2.6.22.18

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Date:	Tue, 12 Feb 2008 09:50:15 -0800
From:	Greg KH <gregkh@...e.de>
To:	Florian Weimer <fw@...eb.enyo.de>
Cc:	Matthew Keenan <matt@...ode-solutions.com>,
	linux-kernel@...r.kernel.org,
	Andrew Morton <akpm@...ux-foundation.org>,
	torvalds@...ux-foundation.org, stable@...nel.org
Subject: Re: Linux 2.6.22.18

On Tue, Feb 12, 2008 at 06:48:42PM +0100, Florian Weimer wrote:
> * Greg KH:
> 
> > the logic is a little different in 2.6.22 and earlier in regards to this
> > area of code.  This way we are safer.
> 
> Your patch doesn't include the CVE-2006-0010 hunk.  Is this because
> get_user() implies an access_ok() check (while __copy_from_user()
> obviously does not)?

Yes, that is exactly why.  CVE-2006-0010 and -0009 are not applicable to
kernels prior to 2.6.23.

thanks,

greg k-h
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