From patchwork Tue Feb 19 12:27:43 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kai-Heng Feng X-Patchwork-Id: 1044637 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=lists.ubuntu.com (client-ip=91.189.94.19; helo=huckleberry.canonical.com; envelope-from=kernel-team-bounces@lists.ubuntu.com; receiver=) Authentication-Results: ozlabs.org; dmarc=fail (p=none dis=none) header.from=canonical.com Received: from huckleberry.canonical.com (huckleberry.canonical.com [91.189.94.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 443g4L2YBsz9sDb; Tue, 19 Feb 2019 23:28:02 +1100 (AEDT) Received: from localhost ([127.0.0.1] helo=huckleberry.canonical.com) by huckleberry.canonical.com with esmtp (Exim 4.86_2) (envelope-from ) id 1gw4V6-0003GR-N8; Tue, 19 Feb 2019 12:27:52 +0000 Received: from youngberry.canonical.com ([91.189.89.112]) by huckleberry.canonical.com with esmtps (TLS1.0:DHE_RSA_AES_128_CBC_SHA1:128) (Exim 4.86_2) (envelope-from ) id 1gw4V4-0003G1-Rk for kernel-team@lists.ubuntu.com; Tue, 19 Feb 2019 12:27:50 +0000 Received: from 61-220-137-37.hinet-ip.hinet.net ([61.220.137.37] helo=localhost) by youngberry.canonical.com with esmtpsa (TLS1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.76) (envelope-from ) id 1gw4V4-0001Mw-3E for kernel-team@lists.ubuntu.com; Tue, 19 Feb 2019 12:27:50 +0000 From: Kai-Heng Feng To: kernel-team@lists.ubuntu.com Subject: [SRU] [T/X/B/C/D] [PATCH 0/1] CVE-2019-3460 - Heap data infoleak in multiple locations including functionl2cap_parse_conf_rsp Date: Tue, 19 Feb 2019 20:27:43 +0800 Message-Id: <20190219122746.4197-1-kai.heng.feng@canonical.com> X-Mailer: git-send-email 2.17.1 X-BeenThere: kernel-team@lists.ubuntu.com X-Mailman-Version: 2.1.20 Precedence: list List-Id: Kernel team discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: kernel-team-bounces@lists.ubuntu.com Sender: "kernel-team" The L2CAP config octet length other than 1,2 and 4 will be uses as a pointer. To avoid being tricked into a pointer, always check its length. For Trusty, another commit is cherry-picked as an dependency. The commit has a CVE number, but somehow it's not in the CVE Matrix. Xenial forward doesn't need the patch. Marcel Holtmann (1): Bluetooth: Check L2CAP option sizes returned from l2cap_get_conf_opt net/bluetooth/l2cap_core.c | 77 +++++++++++++++++++++++--------------- 1 file changed, 46 insertions(+), 31 deletions(-)