linux-kernel - Re: [patch 03/31] Fix user copy length in ipv6

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Message-ID: <20070320040507.GA17101@kroah.com>
Date:	Mon, 19 Mar 2007 21:05:07 -0700
From:	Greg KH <greg@...ah.com>
To:	Chris Wright <chrisw@...s-sol.org>
Cc:	Greg KH <gregkh@...e.de>, linux-kernel@...r.kernel.org,
	stable@...nel.org, Justin Forbes <jmforbes@...uxtx.org>,
	Zwane Mwaikambo <zwane@....linux.org.uk>,
	Theodore Ts'o <tytso@....edu>,
	Randy Dunlap <rdunlap@...otime.net>,
	Dave Jones <davej@...hat.com>,
	Chuck Wolber <chuckw@...ntumlinux.com>,
	Chris Wedgwood <reviews@...cw.f00f.org>,
	Michael Krufky <mkrufky@...uxtv.org>,
	Chuck Ebbert <cebbert@...hat.com>,
	torvalds@...ux-foundation.org, akpm@...ux-foundation.org,
	alan@...rguk.ukuu.org.uk, bunk@...sta.de,
	"David S. Miller" <davem@...emloft.net>
Subject: Re: [patch 03/31] Fix user copy length in ipv6_sockglue.c

On Mon, Mar 19, 2007 at 03:01:25PM -0700, Chris Wright wrote:
> * Greg KH (gregkh@...e.de) wrote:
> > From: Chris Wright <chrisw@...s-sol.org>
> > 
> > [IPV6] fix ipv6_getsockopt_sticky copy_to_user leak
> > 
> > User supplied len < 0 can cause leak of kernel memory.
> > Use unsigned compare instead.
> 
> You can drop this one.  It's dependent on a patch
> that is not in 2.6.20.

Ok, thanks for letting me know, it is now dropped.

greg k-h
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