oss-security - Re: CVE-2010-4525 kvm: x86: zero kvm_vcpu

Follow @Openwall on Twitter for new release announcements and other news

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20110105201627.GB11372@kroah.com>
Date: Wed, 5 Jan 2011 12:16:27 -0800
From: Greg KH <greg@...ah.com>
To: oss-security@...ts.openwall.com
Cc: "Steven M. Christey" <coley@...us.mitre.org>, Greg KH <gregkh@...e.de>
Subject: Re: CVE-2010-4525 kvm: x86: zero
 kvm_vcpu_events->interrupt.pad infoleak

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.
> 
> https://bugzilla.redhat.com/CVE-2010-4525

Is there a fix for this in the upstream kernels?  How about kernels
greater than .35?

thanks,

greg k-h

Please check out the Open Source Software Security Wiki, which is counterpart to this mailing list.

Confused about mailing lists and their use? Read about mailing lists on Wikipedia and check out these guidelines on proper formatting of your messages.