From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ralf Baechle Date: Sun, 31 Oct 2010 18:00:06 +0000 Subject: Re: [PATCH 1/3] net: ax25: fix information leak to userland Message-Id: <20101031180005.GA26588@linux-mips.org> List-Id: References: <1288545022-16393-1-git-send-email-segooon@gmail.com> In-Reply-To: <1288545022-16393-1-git-send-email-segooon@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: Vasiliy Kulikov 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 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