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Date: Thu, 06 Jan 2011 16:38:53 +0800
From: Eugene Teo <>
CC: Greg KH <>, "Steven M. Christey" <>,
        Greg KH <>
Subject: Re: CVE-2010-4525 kvm: x86: zero kvm_vcpu_events->interrupt.pad

On 01/06/2011 04:16 AM, Greg KH wrote:
> On Wed, Jan 05, 2011 at 12:14:28PM +0800, Eugene Teo wrote:
>> In addition to CVE-2010-3881, some versions of the Linux kernel
>> forgot to initialize the kvm_vcpu_events.interrupt.pad field before
>> being copied to userspace. I have assigned CVE-2010-4525 to this. I
>> briefly checked, linux-2.6.33/34.y are affected, linux-2.6/.31/.32.y
>> are not.
> Is there a fix for this in the upstream kernels?  How about kernels
> greater than .35?

The upstream kernel and .35.y onwards are not affected.

Thanks, Eugene

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