From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ralf Baechle Subject: Re: [PATCH 1/3] net: ax25: fix information leak to userland Date: Sun, 31 Oct 2010 18:00:06 +0000 Message-ID: <20101031180005.GA26588@linux-mips.org> References: <1288545022-16393-1-git-send-email-segooon@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: kernel-janitors@vger.kernel.org, Joerg Reuter , "David S. Miller" , linux-hams@vger.kernel.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org To: Vasiliy Kulikov Return-path: Received: from h5.dl5rb.org.uk ([81.2.74.5]:42736 "EHLO h5.dl5rb.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756283Ab0JaSAP (ORCPT ); Sun, 31 Oct 2010 14:00:15 -0400 Content-Disposition: inline In-Reply-To: <1288545022-16393-1-git-send-email-segooon@gmail.com> Sender: netdev-owner@vger.kernel.org List-ID: On Sun, Oct 31, 2010 at 08:10:22PM +0300, Vasiliy Kulikov wrote: > Sometimes ax25_getname() doesn't initialize all members of fsa_digipeater > field of fsa struct. This structure is then copied to userland. It leads to > leaking of contents of kernel stack memory. We have to initialize them to zero. > > Signed-off-by: Vasiliy Kulikov Acked-by: Ralf Baechle Ralf