Re: [vox] [fwd] Local Linux root exploit [in splice,affects 2.6.17 thru 2.6.24.1!]

["Kevin Schultz" <schultkl@ieee.orMAPSg>]

unlikely() vs. access_ok()...I'm familiar with access_ok() but unlikely() was GNU to me:

http://kerneltrap.org/node/4705

Apparently it's a wrapper around branch-prediction check __builtin_expect(x,y).

Peace

On Feb 11, 2008 11:37 PM, Brian Lavender <brian@brie.com> wrote:

Holy crap batman!

On Mon, Feb 11, 2008 at 05:02:45AM -0800, Bill Kendrick wrote:
>
> A fix looks like it's been committed:
>
>   http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff;h=712a30e63c8066ed84385b12edbfb804f49cbc44
>
> -bill!
>
> ----- Forwarded message from Kristian Erik Hermansen -----
>
> Date: Sun, 10 Feb 2008 14:50:39 -0800
> From: "Kristian Erik Hermansen"
> Subject: [sf-lug] Fwd: [Gllug] Local Linux root exploit
> To: "Linux userGroup" <sf-lug@linuxmafia.com>
>
> Very bad :-(
>
>
> ---------- Forwarded message ----------
> From: Richard Jones
> Date: Feb 10, 2008 2:04 PM
> Subject: [Gllug] Local Linux root exploit
> To: Greater London Linux Users Group
>
>
> http://it.slashdot.org/article.pl?sid=08/02/10/2011257
>
> Exploit:
> http://www.milw0rm.com/exploits/5092
>
> Very temporary fix:
> http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=464953#14
>
> Rich.
>
> --
> Richard Jones
> Red Hat
> --
>
> ----- End forwarded message -----
>
> --
> -bill!
> bill@newbreedsoftware.com
> http://www.newbreedsoftware.com/
> _______________________________________________
> vox mailing list
> vox@lists.lugod.org
> http://lists.lugod.org/mailman/listinfo/vox

--
Brian Lavender
http://www.brie.com/brian/

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