linux-kernel - Re: [PATCH] bluetooth: hidp: fix information leak to userland

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Date:	Tue, 02 Nov 2010 16:36:29 +0100
From:	Marcel Holtmann <marcel@...tmann.org>
To:	Vasiliy Kulikov <segooon@...il.com>
Cc:	kernel-janitors@...r.kernel.org,
	"Gustavo F. Padovan" <padovan@...fusion.mobi>,
	"David S. Miller" <davem@...emloft.net>,
	Jiri Kosina <jkosina@...e.cz>,
	Michael Poole <mdpoole@...ilus.org>,
	Bastien Nocera <hadess@...ess.net>,
	linux-bluetooth@...r.kernel.org, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] bluetooth: hidp: fix information leak to userland

Hi Vasiliy,

> Structure hidp_conninfo is copied to userland with version, product,
> vendor and name fields unitialized if both session->input and session->hid
> are NULL.  It leads to leaking of contents of kernel stack memory.
> 
> Signed-off-by: Vasiliy Kulikov <segooon@...il.com>

Acked-by: Marcel Holtmann <marcel@...tmann.org>

Regards

Marcel


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