[CVE-2010-3086] x86: replace LOCK_PREFIX in futex.h

[Tim Gardner]

On 02/01/2011 09:52 AM, Andy Whitcroft wrote:
> CVE-2010-3086:
>
> 	include/asm-x86/futex.h in the Linux kernel before 2.6.25 does
> 	not properly implement exception fixup, which allows local users
> 	to cause a denial of service (panic) via an invalid application
> 	that triggers a page fault.
>
> It seems that everything Karmic and up already has the fixes required
> here.  Hardy has already receieved the fix-up via upstream stable.  The
> backport for Dapper seems pretty straight forward.  Following this email
> is the backport for Dapper.
>
> Of concern is that I am completely unable to test that this does what it
> says on the tin.  This should be identicle to changes in Hardy which
> have been in place for a long time; should.
>
> -apw
>

applied and pushed

-- 
Tim Gardner tim.gardner at canonical.com