Ack: Re: [CVE-2011-4622] KVM VM triggered host DOS

Tue Jan 3 19:31:33 UTC 2012

On Tue, Jan 03, 2012 at 05:31:02PM +0000, Andy Whitcroft wrote:
> CVE-2011-4622
> 	User space may create the PIT and forget about setting up the
> 	irqchips.  In that case, firing PIT IRQs will crash the host.
> 
> The fix for this is currently in the very tip of Linus' tree and should
> appear in precise in the next rebase or so.  Note also that KVM does no
> exist on ARM so there are no fixes for those branches.  Following this
> email are three patches, one for lucid, one for maverick, and one for
> natty and oneiric.  These are all simple cherry-picks from the upstream
> change, only differing in local context.
> 
> Proposing for lucid, maverick, natty and oneiric.
> 
> -apw
> 
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