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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2013.1640 Moderate: kernel security, bug fix, and enhancement update 15 November 2013 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: kernel Publisher: Red Hat Operating System: Red Hat Enterprise Linux Server 6 Linux variants Impact/Access: Access Confidential Data -- Existing Account Denial of Service -- Existing Account Resolution: Patch/Upgrade CVE Names: CVE-2013-4299 CVE-2013-4162 Reference: ESB-2013.1627 ESB-2013.1558 ESB-2013.1540 ESB-2013.1498 ESB-2013.1497 ESB-2013.1469 ESB-2013.1345 ESB-2013.1297 ESB-2013.1174 Original Bulletin: https://rhn.redhat.com/errata/RHSA-2013-1520.html Comment: This advisory references vulnerabilities in products which run on platforms other than Red Hat. It is recommended that administrators running kernel check for an updated version of the software for their operating system. - --------------------------BEGIN INCLUDED TEXT-------------------- - -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 ===================================================================== Red Hat Security Advisory Synopsis: Moderate: kernel security, bug fix, and enhancement update Advisory ID: RHSA-2013:1520-01 Product: Red Hat OpenStack Advisory URL: https://rhn.redhat.com/errata/RHSA-2013-1520.html Issue date: 2013-11-14 CVE Names: CVE-2013-4162 CVE-2013-4299 ===================================================================== 1. Summary: Updated kernel packages that fix two security issues, one bug, and add two enhancements are now available for Red Hat OpenStack 3.0. The Red Hat Security Response Team has rated this update as having moderate security impact. Common Vulnerability Scoring System (CVSS) base scores, which give detailed severity ratings, are available for each vulnerability from the CVE links in the References section. 2. Relevant releases/architectures: OpenStack 3 - noarch, x86_64 3. Description: Red Hat OpenStack 3.0 includes a custom Red Hat Enterprise Linux 6.4 kernel. These custom kernel packages include support for network namespaces; this support is required to facilitate advanced OpenStack Networking deployments. * A flaw was found in the way the Linux kernel's TCP/IP protocol suite implementation handled IPv6 sockets that used the UDP_CORK option. A local, unprivileged user could use this flaw to cause a denial of service. (CVE-2013-4162, Moderate) * An information leak flaw was found in the way the Linux kernel's device mapper subsystem, under certain conditions, interpreted data written to snapshot block devices. An attacker could use this flaw to read data from disk blocks in free space, which are normally inaccessible. (CVE-2013-4299, Moderate) Red Hat would like to thank Hannes Frederic Sowa for reporting CVE-2013-4162; and Fujitsu for reporting CVE-2013-4299. This update also fixes the following bug: * Prior to this update, while performing Generic Routing Encapsulation (GRE), the possibility of having a 802.1Q inner header was not considered during the Generic Segmentation Offloading (GSO). With this update, a check has been added to detect the use of 802.1Q and handle the packet accordingly. (BZ#1005804) In addition, this update adds the following enhancements: * This update adds support for Distributed Overlay Virtual Ethernet (DOVE). (BZ#1009025) * This update adds support for Virtual Extensible LAN (VXLAN) as an Open vSwitch (OVS) tunneling type. (BZ#1009006) More information on the Red Hat Enterprise Linux 6.4 kernel packages upon which these custom kernel packages are based is available in RHSA-2013:1436: https://rhn.redhat.com/errata/RHSA-2013-1436.html All Red Hat OpenStack 3.0 users deploying the OpenStack Networking service are advised to install these updated packages. 4. Solution: Before applying this update, make sure all previously released errata relevant to your system have been applied. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/site/articles/11258 This Red Hat OpenStack 3.0 kernel may be installed by running this command while logged in as the root user on a system that has the required entitlements and subscriptions attached: # yum install "kernel-2.6.*.openstack.el6.x86_64" Documentation for both stable and preview releases of Red Hat OpenStack is available at: https://access.redhat.com/site/documentation/Red_Hat_OpenStack/ In particular it is highly recommended that all users read the Release Notes document for the relevant Red Hat OpenStack release prior to installation. 5. Bugs fixed (http://bugzilla.redhat.com/): 987627 - CVE-2013-4162 Kernel: net: panic while pushing pending data out of a IPv6 socket with UDP_CORK enabled 1004233 - CVE-2013-4299 kernel: dm: dm-snapshot data leak 1005804 - modem-like speed when transmitting TCP to a floating IP 6. Package List: OpenStack 3: Source: ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Server/en/RHOS/SRPMS/kernel-2.6.32-358.123.4.openstack.el6.src.rpm noarch: kernel-doc-2.6.32-358.123.4.openstack.el6.noarch.rpm kernel-firmware-2.6.32-358.123.4.openstack.el6.noarch.rpm x86_64: kernel-2.6.32-358.123.4.openstack.el6.x86_64.rpm kernel-debug-2.6.32-358.123.4.openstack.el6.x86_64.rpm kernel-debug-debuginfo-2.6.32-358.123.4.openstack.el6.x86_64.rpm kernel-debug-devel-2.6.32-358.123.4.openstack.el6.x86_64.rpm kernel-debuginfo-2.6.32-358.123.4.openstack.el6.x86_64.rpm kernel-debuginfo-common-x86_64-2.6.32-358.123.4.openstack.el6.x86_64.rpm kernel-devel-2.6.32-358.123.4.openstack.el6.x86_64.rpm kernel-headers-2.6.32-358.123.4.openstack.el6.x86_64.rpm perf-2.6.32-358.123.4.openstack.el6.x86_64.rpm perf-debuginfo-2.6.32-358.123.4.openstack.el6.x86_64.rpm python-perf-2.6.32-358.123.4.openstack.el6.x86_64.rpm python-perf-debuginfo-2.6.32-358.123.4.openstack.el6.x86_64.rpm These packages are GPG signed by Red Hat for security. Our key and details on how to verify the signature are available from https://access.redhat.com/security/team/key/#package 7. References: https://www.redhat.com/security/data/cve/CVE-2013-4162.html https://www.redhat.com/security/data/cve/CVE-2013-4299.html https://access.redhat.com/security/updates/classification/#moderate https://rhn.redhat.com/errata/RHSA-2013-1436.html https://access.redhat.com/site/documentation/Red_Hat_OpenStack/ 8. Contact: The Red Hat security contact is <secalert@redhat.com>. More contact details at https://access.redhat.com/security/team/contact/ Copyright 2013 Red Hat, Inc. - -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.4 (GNU/Linux) iD8DBQFShQ17XlSAg2UNWIIRAtzJAJ4wvd5M6ecxXlTrbOTDzZapwIkhpACfff/6 TG5dAEXzTLPrJAQ5e3PMV5o= =jO1u - -----END PGP SIGNATURE----- - --------------------------END INCLUDED TEXT-------------------- You have received this e-mail bulletin as a result of your organisation's registration with AusCERT. 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It may not be updated when updates to the original are made. If downloading at a later date, it is recommended that the bulletin is retrieved directly from the author's website to ensure that the information is still current. Contact information for the authors of the original document is included in the Security Bulletin above. If you have any questions or need further information, please contact them directly. Previous advisories and external security bulletins can be retrieved from: http://www.auscert.org.au/render.html?cid=1980 =========================================================================== Australian Computer Emergency Response Team The University of Queensland Brisbane Qld 4072 Internet Email: auscert@auscert.org.au Facsimile: (07) 3365 7031 Telephone: (07) 3365 4417 (International: +61 7 3365 4417) AusCERT personnel answer during Queensland business hours which are GMT+10:00 (AEST). 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