oss-security - Re: CVE request: kernel: kvm kernel stack leakage

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Date: Fri, 5 Nov 2010 16:00:50 -0400 (EDT)
From: Josh Bressers <bressers@...hat.com>
To: oss-security@...ts.openwall.com, Petr Matousek <pmatouse@...hat.com>
Cc: coley@...us.mitre.org
Subject: Re: CVE request: kernel: kvm kernel stack leakage

Please use CVE-2010-3881

Thanks.

-- 
    JB


----- "Petr Matousek" <pmatouse@...hat.com> wrote:

> "Structures kvm_vcpu_events, kvm_debugregs, kvm_pit_state2 and
> kvm_clock_data
> are copied to userland with some padding and reserved fields
> unitialized.  It
> leads to leaking of contents of kernel stack memory."
> 
> Upstream commit:
> http://git.kernel.org/?p=virt/kvm/kvm.git;a=commit;h=831d9d02f9522e739825a51a11e3bc5aa531a905
> 
> Credit: Vasiliy Kulikov
> 
> Reference:
> http://www.spinics.net/lists/kvm/msg44130.html
> https://bugzilla.redhat.com/show_bug.cgi?id=649920
> 
> Thanks,
> --
> Petr Matousek / Red Hat Security Response Team

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