From mboxrd@z Thu Jan 1 00:00:00 1970 From: Johan Hovold Subject: [PATCH 0/2] bluetooth: fix NULL-pointer dereferences Date: Wed, 7 Mar 2012 17:01:58 +0100 Message-ID: <1331136120-27075-1-git-send-email-jhovold@gmail.com> Cc: "David S. Miller" , linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, Johan Hovold To: Marcel Holtmann , "Gustavo F. Padovan" Return-path: Sender: linux-kernel-owner@vger.kernel.org List-Id: netdev.vger.kernel.org Hi, These patches fixes two races in hci_ldisc and hci_core which can lead to NULL-pointer dereferences. The first one is 100% reproducible on 3.2 as well as 3.3-rc6 and needs to be backported to all stable kernels as the offending code has been around for quite some time. The second one is 100% reproducible on 3.3-rc6 but I haven't seen it on 3.2 or earlier, but as far as I can see it could be possibly to trigger it at least on 3.0 and later. Thanks, Johan Johan Hovold (2): bluetooth: hci_ldisc: fix NULL-pointer dereference on tty_close bluetooth: hci_core: fix NULL-pointer dereference at unregister drivers/bluetooth/hci_ldisc.c | 2 +- include/net/bluetooth/hci.h | 1 + net/bluetooth/hci_core.c | 7 +++++++ 3 files changed, 9 insertions(+), 1 deletions(-) -- 1.7.8.4