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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2014.1183 Important: kernel security and bug fix update 18 July 2014 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: kernel Publisher: Red Hat Operating System: Red Hat Enterprise Linux Server 6 Impact/Access: Root Compromise -- Existing Account Access Confidential Data -- Existing Account Resolution: Patch/Upgrade CVE Names: CVE-2014-3153 CVE-2014-1738 CVE-2014-1737 Reference: ESB-2014.1062 ESB-2014.1044 ESB-2014.1028 ESB-2014.1007 ESB-2014.1006 ESB-2014.0967 ESB-2014.0941 ESB-2014.0894.2 ESB-2014.0893 ESB-2014.0831 ESB-2014.0735 ESB-2014.0710 Original Bulletin: https://rhn.redhat.com/errata/RHSA-2014-0900.html - --------------------------BEGIN INCLUDED TEXT-------------------- - -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 ===================================================================== Red Hat Security Advisory Synopsis: Important: kernel security and bug fix update Advisory ID: RHSA-2014:0900-01 Product: Red Hat Enterprise Linux Advisory URL: https://rhn.redhat.com/errata/RHSA-2014-0900.html Issue date: 2014-07-17 CVE Names: CVE-2014-1737 CVE-2014-1738 CVE-2014-3153 ===================================================================== 1. Summary: Updated kernel packages that fix three security issues and one bug are now available for Red Hat Enterprise Linux 6.4 Extended Update Support. The Red Hat Security Response Team has rated this update as having Important 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: Red Hat Enterprise Linux Compute Node Optional EUS (v. 6.4) - x86_64 Red Hat Enterprise Linux HPC Node EUS (v. 6.4) - noarch, x86_64 Red Hat Enterprise Linux Server EUS (v. 6.4) - i386, noarch, ppc64, s390x, x86_64 Red Hat Enterprise Linux Server Optional EUS (v. 6.4) - i386, ppc64, s390x, x86_64 3. Description: The kernel packages contain the Linux kernel, the core of any Linux operating system. * A flaw was found in the way the Linux kernel's futex subsystem handled the requeuing of certain Priority Inheritance (PI) futexes. A local, unprivileged user could use this flaw to escalate their privileges on the system. (CVE-2014-3153, Important) * A flaw was found in the way the Linux kernel's floppy driver handled user space provided data in certain error code paths while processing FDRAWCMD IOCTL commands. A local user with write access to /dev/fdX could use this flaw to free (using the kfree() function) arbitrary kernel memory. (CVE-2014-1737, Important) * It was found that the Linux kernel's floppy driver leaked internal kernel memory addresses to user space during the processing of the FDRAWCMD IOCTL command. A local user with write access to /dev/fdX could use this flaw to obtain information about the kernel heap arrangement. (CVE-2014-1738, Low) Note: A local user with write access to /dev/fdX could use these two flaws (CVE-2014-1737 in combination with CVE-2014-1738) to escalate their privileges on the system. Red Hat would like to thank Kees Cook of Google for reporting CVE-2014-3153, and Matthew Daley for reporting CVE-2014-1737 and CVE-2014-1738. Google acknowledges Pinkie Pie as the original reporter of CVE-2014-3153. This update also fixes the following bug: * A previous change that introduced global clock updates caused guest machines to boot slowly when the host Time Stamp Counter (TSC) was marked as unstable. The slow down increased with the number of vCPUs allocated. To resolve this problem, a patch has been applied to limit the rate of the global clock updates. (BZ#1102253) All kernel users are advised to upgrade to these updated packages, which contain backported patches to correct these issues. The system must be rebooted for this update to take effect. 4. Solution: Before applying this update, make sure all previously released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/articles/11258 To install kernel packages manually, use "rpm -ivh [package]". Do not use "rpm -Uvh" as that will remove the running kernel binaries from your system. You may use "rpm -e" to remove old kernels after determining that the new kernel functions properly on your system. 5. Bugs fixed (https://bugzilla.redhat.com/): 1094299 - CVE-2014-1737 CVE-2014-1738 kernel: block: floppy: privilege escalation via FDRAWCMD floppy ioctl command 1103626 - CVE-2014-3153 kernel: futex: pi futexes requeue issue 6. Package List: Red Hat Enterprise Linux HPC Node EUS (v. 6.4): Source: kernel-2.6.32-358.46.1.el6.src.rpm noarch: kernel-doc-2.6.32-358.46.1.el6.noarch.rpm kernel-firmware-2.6.32-358.46.1.el6.noarch.rpm x86_64: kernel-2.6.32-358.46.1.el6.x86_64.rpm kernel-debug-2.6.32-358.46.1.el6.x86_64.rpm kernel-debug-debuginfo-2.6.32-358.46.1.el6.x86_64.rpm kernel-debug-devel-2.6.32-358.46.1.el6.x86_64.rpm kernel-debuginfo-2.6.32-358.46.1.el6.x86_64.rpm kernel-debuginfo-common-x86_64-2.6.32-358.46.1.el6.x86_64.rpm kernel-devel-2.6.32-358.46.1.el6.x86_64.rpm kernel-headers-2.6.32-358.46.1.el6.x86_64.rpm perf-2.6.32-358.46.1.el6.x86_64.rpm perf-debuginfo-2.6.32-358.46.1.el6.x86_64.rpm python-perf-debuginfo-2.6.32-358.46.1.el6.x86_64.rpm Red Hat Enterprise Linux Compute Node Optional EUS (v. 6.4): Source: kernel-2.6.32-358.46.1.el6.src.rpm x86_64: kernel-debug-debuginfo-2.6.32-358.46.1.el6.x86_64.rpm kernel-debuginfo-2.6.32-358.46.1.el6.x86_64.rpm kernel-debuginfo-common-x86_64-2.6.32-358.46.1.el6.x86_64.rpm perf-debuginfo-2.6.32-358.46.1.el6.x86_64.rpm python-perf-2.6.32-358.46.1.el6.x86_64.rpm python-perf-debuginfo-2.6.32-358.46.1.el6.x86_64.rpm Red Hat Enterprise Linux Server EUS (v. 6.4): Source: kernel-2.6.32-358.46.1.el6.src.rpm i386: kernel-2.6.32-358.46.1.el6.i686.rpm kernel-debug-2.6.32-358.46.1.el6.i686.rpm kernel-debug-debuginfo-2.6.32-358.46.1.el6.i686.rpm kernel-debug-devel-2.6.32-358.46.1.el6.i686.rpm kernel-debuginfo-2.6.32-358.46.1.el6.i686.rpm kernel-debuginfo-common-i686-2.6.32-358.46.1.el6.i686.rpm kernel-devel-2.6.32-358.46.1.el6.i686.rpm kernel-headers-2.6.32-358.46.1.el6.i686.rpm perf-2.6.32-358.46.1.el6.i686.rpm perf-debuginfo-2.6.32-358.46.1.el6.i686.rpm python-perf-debuginfo-2.6.32-358.46.1.el6.i686.rpm noarch: kernel-doc-2.6.32-358.46.1.el6.noarch.rpm kernel-firmware-2.6.32-358.46.1.el6.noarch.rpm ppc64: kernel-2.6.32-358.46.1.el6.ppc64.rpm kernel-bootwrapper-2.6.32-358.46.1.el6.ppc64.rpm kernel-debug-2.6.32-358.46.1.el6.ppc64.rpm kernel-debug-debuginfo-2.6.32-358.46.1.el6.ppc64.rpm kernel-debug-devel-2.6.32-358.46.1.el6.ppc64.rpm kernel-debuginfo-2.6.32-358.46.1.el6.ppc64.rpm kernel-debuginfo-common-ppc64-2.6.32-358.46.1.el6.ppc64.rpm kernel-devel-2.6.32-358.46.1.el6.ppc64.rpm kernel-headers-2.6.32-358.46.1.el6.ppc64.rpm perf-2.6.32-358.46.1.el6.ppc64.rpm perf-debuginfo-2.6.32-358.46.1.el6.ppc64.rpm python-perf-debuginfo-2.6.32-358.46.1.el6.ppc64.rpm s390x: kernel-2.6.32-358.46.1.el6.s390x.rpm kernel-debug-2.6.32-358.46.1.el6.s390x.rpm kernel-debug-debuginfo-2.6.32-358.46.1.el6.s390x.rpm kernel-debug-devel-2.6.32-358.46.1.el6.s390x.rpm kernel-debuginfo-2.6.32-358.46.1.el6.s390x.rpm kernel-debuginfo-common-s390x-2.6.32-358.46.1.el6.s390x.rpm kernel-devel-2.6.32-358.46.1.el6.s390x.rpm kernel-headers-2.6.32-358.46.1.el6.s390x.rpm kernel-kdump-2.6.32-358.46.1.el6.s390x.rpm kernel-kdump-debuginfo-2.6.32-358.46.1.el6.s390x.rpm kernel-kdump-devel-2.6.32-358.46.1.el6.s390x.rpm perf-2.6.32-358.46.1.el6.s390x.rpm perf-debuginfo-2.6.32-358.46.1.el6.s390x.rpm python-perf-debuginfo-2.6.32-358.46.1.el6.s390x.rpm x86_64: kernel-2.6.32-358.46.1.el6.x86_64.rpm kernel-debug-2.6.32-358.46.1.el6.x86_64.rpm kernel-debug-debuginfo-2.6.32-358.46.1.el6.x86_64.rpm kernel-debug-devel-2.6.32-358.46.1.el6.x86_64.rpm kernel-debuginfo-2.6.32-358.46.1.el6.x86_64.rpm kernel-debuginfo-common-x86_64-2.6.32-358.46.1.el6.x86_64.rpm kernel-devel-2.6.32-358.46.1.el6.x86_64.rpm kernel-headers-2.6.32-358.46.1.el6.x86_64.rpm perf-2.6.32-358.46.1.el6.x86_64.rpm perf-debuginfo-2.6.32-358.46.1.el6.x86_64.rpm python-perf-debuginfo-2.6.32-358.46.1.el6.x86_64.rpm Red Hat Enterprise Linux Server Optional EUS (v. 6.4): Source: kernel-2.6.32-358.46.1.el6.src.rpm i386: kernel-debug-debuginfo-2.6.32-358.46.1.el6.i686.rpm kernel-debuginfo-2.6.32-358.46.1.el6.i686.rpm kernel-debuginfo-common-i686-2.6.32-358.46.1.el6.i686.rpm perf-debuginfo-2.6.32-358.46.1.el6.i686.rpm python-perf-2.6.32-358.46.1.el6.i686.rpm python-perf-debuginfo-2.6.32-358.46.1.el6.i686.rpm ppc64: kernel-debug-debuginfo-2.6.32-358.46.1.el6.ppc64.rpm kernel-debuginfo-2.6.32-358.46.1.el6.ppc64.rpm kernel-debuginfo-common-ppc64-2.6.32-358.46.1.el6.ppc64.rpm perf-debuginfo-2.6.32-358.46.1.el6.ppc64.rpm python-perf-2.6.32-358.46.1.el6.ppc64.rpm python-perf-debuginfo-2.6.32-358.46.1.el6.ppc64.rpm s390x: kernel-debug-debuginfo-2.6.32-358.46.1.el6.s390x.rpm kernel-debuginfo-2.6.32-358.46.1.el6.s390x.rpm kernel-debuginfo-common-s390x-2.6.32-358.46.1.el6.s390x.rpm kernel-kdump-debuginfo-2.6.32-358.46.1.el6.s390x.rpm perf-debuginfo-2.6.32-358.46.1.el6.s390x.rpm python-perf-2.6.32-358.46.1.el6.s390x.rpm python-perf-debuginfo-2.6.32-358.46.1.el6.s390x.rpm x86_64: kernel-debug-debuginfo-2.6.32-358.46.1.el6.x86_64.rpm kernel-debuginfo-2.6.32-358.46.1.el6.x86_64.rpm kernel-debuginfo-common-x86_64-2.6.32-358.46.1.el6.x86_64.rpm perf-debuginfo-2.6.32-358.46.1.el6.x86_64.rpm python-perf-2.6.32-358.46.1.el6.x86_64.rpm python-perf-debuginfo-2.6.32-358.46.1.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-2014-1737.html https://www.redhat.com/security/data/cve/CVE-2014-1738.html https://www.redhat.com/security/data/cve/CVE-2014-3153.html https://access.redhat.com/security/updates/classification/#important 8. Contact: The Red Hat security contact is <secalert@redhat.com>. More contact details at https://access.redhat.com/security/team/contact/ Copyright 2014 Red Hat, Inc. - -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.4 (GNU/Linux) iD8DBQFTx+zfXlSAg2UNWIIRAhBEAJ97gP06Doz7HwFRkJGkJ3FmLXzCwQCfWOOo OCWgbRyqa35q2GhknnV3dvw= =NSG7 - -----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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On call after hours for member emergencies only. =========================================================================== -----BEGIN PGP SIGNATURE----- Comment: http://www.auscert.org.au/render.html?it=1967 iQIVAwUBU8h1mxLndAQH1ShLAQJLbhAAnPA/IzsPlFmfa9iKk6I8+evSDsRBJuw6 qOlG6QYvSJP+2JNRF8y29rcLq1DVpluOtz/JThSxJEJ1abt5v3vlrD9mckIi9xoJ 1+VsfPV4HYWc5MyYCE2V5PMMWGLh/3RDdrQTEy07KuQYmbErhLAegOfiS4W8aA0u H7tnwiIsK8cU0yQfQaEgLQz/q/po/P8nCZzIQ+axCz+VZhxCh38r9Jq8v4SWH3dO 4MREifEm+d05OxaQeBaHoD7diDjuPYHsRFktDWSaqVQwoacywOhaWOzH3mfs9U5X nD0rxzY0VXcuaxoCzcdx7zIq3cZR7t+77S66tyib5y4a74Tsd+ZkbQtfDyCKD6h0 DM3P0TNVVMaUSwhahFhHRwRNzaabqz86ussdDxBLPbREERNgYoseMsaNgvhR1583 HdH0EvsYDaAv84BxepZSC79Zm1qiOrauRnmpjAZKpFUt8F0E3YG6PhQZZcJYJOt7 y84qmyMsIpZ4HxSTU98/cGPNM4140JLmahy2p/m4sSCXPRo2Ch2eDXWZeBSIB63y ME/yhJtznu082qnjCOHJcJdXypWGjiUsdy/6vBMKcINoDUQ+/6WgniyOS7ncdSA2 GizHsyC5sRGllOJLxTpsnbD42GnaHqoH0oKXoBqDx1sf+cMkCTV5ibzSKjiI/CFr qAyKma7TMWA= =JniK -----END PGP SIGNATURE-----