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From: Chris Wright <chrisw@sous-sol.org>
To: Oliver Pinter <oliver.pntr@gmail.com>
Cc: stable@kernel.org, linux-kernel@vger.kernel.org,
	"chrisw@sous-sol.org" <chrisw@sous-sol.org>,
	Greg KH <gregkh@suse.de>, Willy Tarreau <w@1wt.eu>,
	Adrian Bunk <bunk@kernel.org>, Nick Piggin <npiggin@suse.de>
Subject: Re: {2.6.22.y} CVE-2007-6434
Date: Mon, 4 Feb 2008 13:34:06 -0800	[thread overview]
Message-ID: <20080204213406.GX28947@sequoia.sous-sol.org> (raw)
In-Reply-To: <6101e8c40802041213y4f3cb310qaff40052ed18d5df@mail.gmail.com>

* Oliver Pinter (oliver.pntr@gmail.com) wrote:
> mainline: ecaf18c15aac8bb9bed7b7aa0e382fe252e275d5
> 
> --->8---
> commit ecaf18c15aac8bb9bed7b7aa0e382fe252e275d5
> Author: Eric Paris <eparis@redhat.com>
> Date:   Tue Dec 4 23:45:31 2007 -0800
> 
>     VM/Security: add security hook to do_brk
> 
>     Given a specifically crafted binary do_brk() can be used to get low pages
>     available in userspace virtual memory and can thus be used to circumvent
>     the mmap_min_addr low memory protection.  Add security checks in do_brk().

All of the low mmap addr stuff isn't added until 2.6.23.

thanks,
-chris

  parent reply	other threads:[~2008-02-04 21:34 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-02-04 20:13 Oliver Pinter
2008-02-04 20:14 ` Oliver Pinter
2008-02-04 21:02 ` Oliver Pinter
2008-02-04 21:38   ` Greg KH
2008-02-04 21:34 ` Chris Wright [this message]
2008-02-04 21:36   ` Oliver Pinter

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