linux-kernel - Re: [PATCH] powerpc: kvm: fix information leak to userland

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Message-ID: <20101101171949.GB4484@amt.cnet>
Date:	Mon, 1 Nov 2010 15:19:49 -0200
From:	Marcelo Tosatti <mtosatti@...hat.com>
To:	Vasiliy Kulikov <segooon@...il.com>
Cc:	kernel-janitors@...r.kernel.org, Alexander Graf <agraf@...e.de>,
	Avi Kivity <avi@...hat.com>,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	Paul Mackerras <paulus@...ba.org>, kvm-ppc@...r.kernel.org,
	kvm@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] powerpc: kvm: fix information leak to userland

On Sat, Oct 30, 2010 at 01:04:24PM +0400, Vasiliy Kulikov wrote:
> Structure kvm_ppc_pvinfo is copied to userland with flags and
> pad fields unitialized.  It leads to leaking of contents of
> kernel stack memory.
> 
> Signed-off-by: Vasiliy Kulikov <segooon@...il.com>
> ---
>  I cannot compile this driver, so it is not tested at all.
> 
>  arch/powerpc/kvm/powerpc.c |    1 +
>  1 files changed, 1 insertions(+), 0 deletions(-)

Applied, thanks.

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