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

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Message-ID: <1288712131.3322.178.camel@aeonflux>
Date:	Tue, 02 Nov 2010 16:35:31 +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>,
	Eric Dumazet <eric.dumazet@...il.com>,
	Thadeu Lima de Souza Cascardo <cascardo@...oscopio.com>,
	Tejun Heo <tj@...nel.org>, Jiri Kosina <jkosina@...e.cz>,
	linux-bluetooth@...r.kernel.org, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] bluetooth: bnep: fix information leak to userland

Hi Vasiiy,

> Structure bnep_conninfo is copied to userland with the field "device"
> that has the last elements unitialized.  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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