From patchwork Tue Mar 5 15:15:30 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tyler Hicks X-Patchwork-Id: 1051762 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 44DL7N0r8Zz9s3q; Wed, 6 Mar 2019 02:15:44 +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 1h1Bn8-0005Q7-Jq; Tue, 05 Mar 2019 15:15:38 +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 1h1Bn6-0005Pq-JD for kernel-team@lists.ubuntu.com; Tue, 05 Mar 2019 15:15:36 +0000 Received: from 2.general.tyhicks.us.vpn ([10.172.64.53] helo=sec.work.tihix.com) by youngberry.canonical.com with esmtpsa (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.76) (envelope-from ) id 1h1Bn6-00065l-43; Tue, 05 Mar 2019 15:15:36 +0000 From: Tyler Hicks To: kernel-team@lists.ubuntu.com Subject: [PATCH 0/1][SRU][C] CVE-2019-9003 - IPMI use-after-free Date: Tue, 5 Mar 2019 15:15:30 +0000 Message-Id: <1551798931-28747-1-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-2019-9003.html In the Linux kernel before 4.20.5, attackers can trigger a drivers/char/ipmi/ipmi_msghandler.c use-after-free and OOPS by arranging for certain simultaneous execution of the code, as demonstrated by a "service ipmievd restart" loop. Clean cherry pick. Build logs are clean. Smoke tested by booting the Cosmic kernel and loading the ipmi_msghandler module. Tyler Yang Yingliang (1): ipmi: fix use-after-free of user->release_barrier.rda drivers/char/ipmi/ipmi_msghandler.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)