From patchwork Fri Feb 22 10:28:26 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tyler Hicks X-Patchwork-Id: 1046723 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 445SHq3lhfz9s8m; Fri, 22 Feb 2019 21:29:11 +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 1gx84o-0007YY-0T; Fri, 22 Feb 2019 10:29:06 +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 1gx84n-0007YS-1r for kernel-team@lists.ubuntu.com; Fri, 22 Feb 2019 10:29:05 +0000 Received: from 2.general.tyhicks.us.vpn ([10.172.64.53] helo=sec.lxd) by youngberry.canonical.com with esmtpsa (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.76) (envelope-from ) id 1gx84m-0005Hx-7f; Fri, 22 Feb 2019 10:29:04 +0000 From: Tyler Hicks To: kernel-team@lists.ubuntu.com Subject: [PATCH 0/1][SRU][C/D] CVE-2019-8956 - SCTP use-after-free Date: Fri, 22 Feb 2019 10:28:26 +0000 Message-Id: <1550831307-3376-1-git-send-email-tyhicks@canonical.com> X-Mailer: git-send-email 2.7.4 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/2019/CVE-2019-8956.html Secunia Research has discovered a vulnerability in Linux Kernel, which can be exploited by malicious, local users to potentially gain escalated privileges. A use-after-free error in the "sctp_sendmsg()" function (net/sctp/socket.c) when handling SCTP_SENDALL flag can be exploited to corrupt memory. Clean cherry pick back to Cosmic (older releases are not affected). Build logs are clean. Tyler Greg Kroah-Hartman (1): sctp: walk the list of asoc safely net/sctp/socket.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) Acked-by: Colin Ian King Acked-By: You-Sheng Yang