From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Miller Subject: Re: [PATCH] econet: 4 byte infoleak to the network Date: Fri, 18 Mar 2011 15:15:32 -0700 (PDT) Message-ID: <20110318.151532.52204604.davem@davemloft.net> References: <1300362011-8653-1-git-send-email-segoon@openwall.com> <1300362601.2132.14721.camel@phil-desktop> Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Cc: segoon@openwall.com, linux-kernel@vger.kernel.org, security@kernel.org, eric.dumazet@gmail.com, tj@kernel.org, nelhage@ksplice.com, netdev@vger.kernel.org To: philb@gnu.org Return-path: In-Reply-To: <1300362601.2132.14721.camel@phil-desktop> Sender: linux-kernel-owner@vger.kernel.org List-Id: netdev.vger.kernel.org From: Phil Blundell Date: Thu, 17 Mar 2011 11:50:01 +0000 > On Thu, 2011-03-17 at 14:40 +0300, Vasiliy Kulikov wrote: >> struct aunhdr has 4 padding bytes between 'pad' and 'handle' fields on >> x86_64. These bytes are not initialized in the variable 'ah' before >> sending 'ah' to the network. This leads to 4 bytes kernel stack >> infoleak. >> >> This bug was introduced before the git epoch. >> >> Signed-off-by: Vasiliy Kulikov > > Well spotted. Thanks for the patch. > > Acked-by: Phil Blundell Applied.