-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 ===================================================================== Red Hat Security Advisory Synopsis: Important: kernel security update Advisory ID: RHSA-2013:0840-01 Product: Red Hat Enterprise Linux Advisory URL: https://rhn.redhat.com/errata/RHSA-2013-0840.html Issue date: 2013-05-20 CVE Names: CVE-2013-2094 ===================================================================== 1. Summary: Updated kernel packages that fix one security issue are now available for Red Hat Enterprise Linux 6.2 Extended Update Support. The Red Hat Security Response Team has rated this update as having important security impact. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available from the CVE link in the References section. 2. Relevant releases/architectures: Red Hat Enterprise Linux Server EUS (v. 6.2) - i386, noarch, ppc64, s390x, x86_64 Red Hat Enterprise Linux Server Optional EUS (v. 6.2) - i386, ppc64, s390x, x86_64 3. Description: The kernel packages contain the Linux kernel, the core of any Linux operating system. This update fixes the following security issue: * It was found that the Red Hat Enterprise Linux 6.1 kernel update (RHSA-2011:0542) introduced an integer conversion issue in the Linux kernel's Performance Events implementation. This led to a user-supplied index into the perf_swevent_enabled array not being validated properly, resulting in out-of-bounds kernel memory access. A local, unprivileged user could use this flaw to escalate their privileges. (CVE-2013-2094, Important) A public exploit that affects Red Hat Enterprise Linux 6 is available. Refer to Red Hat Knowledge Solution 373743, linked to in the References, for further information and mitigation instructions for users who are unable to immediately apply this update. Users should upgrade to these updated packages, which contain a backported patch to correct this issue. 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/knowledge/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 (http://bugzilla.redhat.com/): 962792 - CVE-2013-2094 kernel: perf_swevent_enabled array out-of-bound access 6. Package List: Red Hat Enterprise Linux Server EUS (v. 6.2): Source: kernel-2.6.32-220.34.2.el6.src.rpm i386: kernel-2.6.32-220.34.2.el6.i686.rpm kernel-debug-2.6.32-220.34.2.el6.i686.rpm kernel-debug-debuginfo-2.6.32-220.34.2.el6.i686.rpm kernel-debug-devel-2.6.32-220.34.2.el6.i686.rpm kernel-debuginfo-2.6.32-220.34.2.el6.i686.rpm kernel-debuginfo-common-i686-2.6.32-220.34.2.el6.i686.rpm kernel-devel-2.6.32-220.34.2.el6.i686.rpm kernel-headers-2.6.32-220.34.2.el6.i686.rpm perf-2.6.32-220.34.2.el6.i686.rpm perf-debuginfo-2.6.32-220.34.2.el6.i686.rpm python-perf-debuginfo-2.6.32-220.34.2.el6.i686.rpm noarch: kernel-doc-2.6.32-220.34.2.el6.noarch.rpm kernel-firmware-2.6.32-220.34.2.el6.noarch.rpm ppc64: kernel-2.6.32-220.34.2.el6.ppc64.rpm kernel-bootwrapper-2.6.32-220.34.2.el6.ppc64.rpm kernel-debug-2.6.32-220.34.2.el6.ppc64.rpm kernel-debug-debuginfo-2.6.32-220.34.2.el6.ppc64.rpm kernel-debug-devel-2.6.32-220.34.2.el6.ppc64.rpm kernel-debuginfo-2.6.32-220.34.2.el6.ppc64.rpm kernel-debuginfo-common-ppc64-2.6.32-220.34.2.el6.ppc64.rpm kernel-devel-2.6.32-220.34.2.el6.ppc64.rpm kernel-headers-2.6.32-220.34.2.el6.ppc64.rpm perf-2.6.32-220.34.2.el6.ppc64.rpm perf-debuginfo-2.6.32-220.34.2.el6.ppc64.rpm python-perf-debuginfo-2.6.32-220.34.2.el6.ppc64.rpm s390x: kernel-2.6.32-220.34.2.el6.s390x.rpm kernel-debug-2.6.32-220.34.2.el6.s390x.rpm kernel-debug-debuginfo-2.6.32-220.34.2.el6.s390x.rpm kernel-debug-devel-2.6.32-220.34.2.el6.s390x.rpm kernel-debuginfo-2.6.32-220.34.2.el6.s390x.rpm kernel-debuginfo-common-s390x-2.6.32-220.34.2.el6.s390x.rpm kernel-devel-2.6.32-220.34.2.el6.s390x.rpm kernel-headers-2.6.32-220.34.2.el6.s390x.rpm kernel-kdump-2.6.32-220.34.2.el6.s390x.rpm kernel-kdump-debuginfo-2.6.32-220.34.2.el6.s390x.rpm kernel-kdump-devel-2.6.32-220.34.2.el6.s390x.rpm perf-2.6.32-220.34.2.el6.s390x.rpm perf-debuginfo-2.6.32-220.34.2.el6.s390x.rpm python-perf-debuginfo-2.6.32-220.34.2.el6.s390x.rpm x86_64: kernel-2.6.32-220.34.2.el6.x86_64.rpm kernel-debug-2.6.32-220.34.2.el6.x86_64.rpm kernel-debug-debuginfo-2.6.32-220.34.2.el6.x86_64.rpm kernel-debug-devel-2.6.32-220.34.2.el6.x86_64.rpm kernel-debuginfo-2.6.32-220.34.2.el6.x86_64.rpm kernel-debuginfo-common-x86_64-2.6.32-220.34.2.el6.x86_64.rpm kernel-devel-2.6.32-220.34.2.el6.x86_64.rpm kernel-headers-2.6.32-220.34.2.el6.x86_64.rpm perf-2.6.32-220.34.2.el6.x86_64.rpm perf-debuginfo-2.6.32-220.34.2.el6.x86_64.rpm python-perf-debuginfo-2.6.32-220.34.2.el6.x86_64.rpm Red Hat Enterprise Linux Server Optional EUS (v. 6.2): Source: kernel-2.6.32-220.34.2.el6.src.rpm i386: kernel-debug-debuginfo-2.6.32-220.34.2.el6.i686.rpm kernel-debuginfo-2.6.32-220.34.2.el6.i686.rpm kernel-debuginfo-common-i686-2.6.32-220.34.2.el6.i686.rpm perf-debuginfo-2.6.32-220.34.2.el6.i686.rpm python-perf-2.6.32-220.34.2.el6.i686.rpm python-perf-debuginfo-2.6.32-220.34.2.el6.i686.rpm ppc64: kernel-debug-debuginfo-2.6.32-220.34.2.el6.ppc64.rpm kernel-debuginfo-2.6.32-220.34.2.el6.ppc64.rpm kernel-debuginfo-common-ppc64-2.6.32-220.34.2.el6.ppc64.rpm perf-debuginfo-2.6.32-220.34.2.el6.ppc64.rpm python-perf-2.6.32-220.34.2.el6.ppc64.rpm python-perf-debuginfo-2.6.32-220.34.2.el6.ppc64.rpm s390x: kernel-debug-debuginfo-2.6.32-220.34.2.el6.s390x.rpm kernel-debuginfo-2.6.32-220.34.2.el6.s390x.rpm kernel-debuginfo-common-s390x-2.6.32-220.34.2.el6.s390x.rpm kernel-kdump-debuginfo-2.6.32-220.34.2.el6.s390x.rpm perf-debuginfo-2.6.32-220.34.2.el6.s390x.rpm python-perf-2.6.32-220.34.2.el6.s390x.rpm python-perf-debuginfo-2.6.32-220.34.2.el6.s390x.rpm x86_64: kernel-debug-debuginfo-2.6.32-220.34.2.el6.x86_64.rpm kernel-debuginfo-2.6.32-220.34.2.el6.x86_64.rpm kernel-debuginfo-common-x86_64-2.6.32-220.34.2.el6.x86_64.rpm perf-debuginfo-2.6.32-220.34.2.el6.x86_64.rpm python-perf-2.6.32-220.34.2.el6.x86_64.rpm python-perf-debuginfo-2.6.32-220.34.2.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-2013-2094.html https://access.redhat.com/security/updates/classification/#important https://access.redhat.com/site/solutions/373743 https://rhn.redhat.com/errata/RHSA-2011-0542.html 8. Contact: The Red Hat security contact is . 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) iD8DBQFRmopJXlSAg2UNWIIRAoK0AJsGEfVLTXW9U21v3O1y4tOL+eHRdACfWMHX JmNc3aReedulrHrQn/jpnVI= =+1VG -----END PGP SIGNATURE----- -- RHSA-announce mailing list RHSA-announce@redhat.com https://www.redhat.com/mailman/listinfo/rhsa-announce