From patchwork Fri Nov 9 17:04:25 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kleber Sacilotto de Souza X-Patchwork-Id: 995668 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 42s62Y2wvvz9sCQ; Sat, 10 Nov 2018 04:04:37 +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 1gLACt-0006ht-Ex; Fri, 09 Nov 2018 17:04:31 +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 1gLACs-0006hg-3t for kernel-team@lists.ubuntu.com; Fri, 09 Nov 2018 17:04:30 +0000 Received: from mail-wm1-f72.google.com ([209.85.128.72]) by youngberry.canonical.com with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.76) (envelope-from ) id 1gLACr-00082u-Su for kernel-team@lists.ubuntu.com; Fri, 09 Nov 2018 17:04:29 +0000 Received: by mail-wm1-f72.google.com with SMTP id j127-v6so2157990wmd.3 for ; Fri, 09 Nov 2018 09:04:29 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:subject:date:message-id; bh=WYlQxzbWmdIzKtUx/IQ6s34OOEpNio2ipqD4SrUkeA4=; b=j1lQQugfafbmHs1/MANGMEBCRAGGF2ftj4c6GrQ4r6awqeDrGW6yB9z66+P6mkgB/G El/lKqbr5TuetxTGQbde6EdNJc9dO90afpShkL6UPLf2fdppZrIS57fZJYelvrd4wNU4 oksRkYU6NU5Aak3V4CXP0/Gn6Yl+1WEM2T9dfmO+n6kF2eUcfxNc+MfAoVtl3rVvAXjb rGg7rln5iYuVFwVVmh29g0rIFRqPXY4VhawsYCtM4ktAIpOe6xiMRzU5CnQNg7MhEqle btWCbRgaQfctJ6bri7toEDabyWpHhOXeHe411mzg7zDAEG7nl1dLXKMWbuX0ixM98o2L ITZw== X-Gm-Message-State: AGRZ1gKpPmJ3bRDi3P9AGZpiVqiKKYKrb3ke/XAazuZ4TP327CM/GWab Yz+s1Mlaz4Vi3HcizrQYKec67WPaLDqCDijmcVouBeiToObCYndm+JCuOLN8MrmKKeU9aXPBXhl xkt8nPAOV0+33iYlXtNHrV2Hu6p8WylXmgRyD+y7xSg== X-Received: by 2002:a1c:650b:: with SMTP id z11-v6mr170215wmb.28.1541783069224; Fri, 09 Nov 2018 09:04:29 -0800 (PST) X-Google-Smtp-Source: AJdET5cVX/z6F85byooQO98LfUb4JI9ZTJb5Qq/YNZT8aWGbuBXJ1g7xll82Q1pItoZg4qB7TFBUxA== X-Received: by 2002:a1c:650b:: with SMTP id z11-v6mr170196wmb.28.1541783068879; Fri, 09 Nov 2018 09:04:28 -0800 (PST) Received: from localhost ([2a02:8109:98c0:1604:d18b:fdaf:4fb2:4856]) by smtp.gmail.com with ESMTPSA id 6-v6sm5510173wra.35.2018.11.09.09.04.27 for (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Fri, 09 Nov 2018 09:04:28 -0800 (PST) From: Kleber Sacilotto de Souza To: kernel-team@lists.ubuntu.com Subject: [SRU][Trusty][PATCH 0/1] Fix for CVE-2018-18386 Date: Fri, 9 Nov 2018 18:04:25 +0100 Message-Id: <20181109170426.6350-1-kleber.souza@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" https://people.canonical.com/~ubuntu-security/cve/2018/CVE-2018-18386.html drivers/tty/n_tty.c in the Linux kernel before 4.14.11 allows local attackers (who are able to access pseudo terminals) to hang/block further usage of any pseudo terminal devices due to an EXTPROC versus ICANON confusion in TIOCINQ. Clean cherry-pick for Trusty. Linus Torvalds (1): n_tty: fix EXTPROC vs ICANON interaction with TIOCINQ (aka FIONREAD) drivers/tty/n_tty.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)