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Message-ID: <0910290855540.20989@mjc.redhat.com>
Date: Thu, 29 Oct 2009 08:56:17 +0000 (GMT)
From: Mark J Cox <mjc@...hat.com>
To: oss-security@...ts.openwall.com
cc: "Steven M. Christey" <coley@...us.mitre.org>
Subject: Re: CVE request: kvm: check cpl before emulating
debug register access
On Thu, 29 Oct 2009, Eugene Teo wrote:
> Quote from the upstream commit:
> "Debug registers may only be accessed from cpl 0. Unfortunately, vmx will
> code to emulate the instruction even though it was issued from guest
> userspace, possibly leading to an unexpected trap later."
>
> Introduced in v2.6.30-rc1; Fixed in v2.6.32-rc1.
>
> http://bugzilla.redhat.com/531660
> http://git.kernel.org/linus/0a79b009525b160081d75cef5dbf45817956acf2
Please use CVE-2009-3722
Mark
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