-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 ===================================================================== Red Hat Security Advisory Synopsis: Moderate: kernel security and bug fix update Advisory ID: RHSA-2011:0928-01 Product: Red Hat Enterprise Linux Advisory URL: https://rhn.redhat.com/errata/RHSA-2011-0928.html Issue date: 2011-07-12 CVE Names: CVE-2011-1767 CVE-2011-1768 CVE-2011-2479 ===================================================================== 1. Summary: Updated kernel packages that fix multiple security issues and various bugs are now available for Red Hat Enterprise Linux 6. 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: Red Hat Enterprise Linux Desktop (v. 6) - i386, noarch, x86_64 Red Hat Enterprise Linux HPC Node (v. 6) - noarch, x86_64 Red Hat Enterprise Linux Server (v. 6) - i386, noarch, ppc64, s390x, x86_64 Red Hat Enterprise Linux Workstation (v. 6) - i386, noarch, x86_64 3. Description: The kernel packages contain the Linux kernel, the core of any Linux operating system. This update fixes the following security issues: * It was found that the receive hook in the ipip_init() function in the ipip module, and in the ipgre_init() function in the ip_gre module, could be called before network namespaces setup is complete. If packets were received at the time the ipip or ip_gre module was still being loaded into the kernel, it could cause a denial of service. (CVE-2011-1767, CVE-2011-1768, Moderate) * It was found that an mmap() call with the MAP_PRIVATE flag on "/dev/zero" would create transparent hugepages and trigger a certain robustness check. A local, unprivileged user could use this flaw to cause a denial of service. (CVE-2011-2479, Moderate) This update also fixes various bugs. Documentation for these bug fixes will be available shortly from the Technical Notes document linked to in the References section. Users should upgrade to these updated packages, which contain backported patches to resolve these issues, and fix the bugs noted in the Technical Notes. 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/kb/docs/DOC-11259 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/): 702303 - CVE-2011-1767 CVE-2011-1768 kernel: netns vs proto registration ordering 711546 - RHEL6.1 x86_64 HVM guest crashes on AMD host when guest memory size is larger than 8G 712413 - Cannot find the extended attribute of #11 inode after remount 712414 - [RHEL6.1] [Kernel] Panic while running testing 713135 - MLS - cgconfigparser cannot search on /cgroup/ dirs 713458 - intel-iommu: missing flush prior to removing domains + avoid broken vm/si domain unlinking 714190 - System Hang when there is smart error on IBM platform 714761 - CVE-2011-2479 kernel: thp: madvise on top of /dev/zero private mapping can lead to panic 6. Package List: Red Hat Enterprise Linux Desktop (v. 6): Source: ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Client/en/os/SRPMS/kernel-2.6.32-131.6.1.el6.src.rpm i386: kernel-2.6.32-131.6.1.el6.i686.rpm kernel-debug-2.6.32-131.6.1.el6.i686.rpm kernel-debug-debuginfo-2.6.32-131.6.1.el6.i686.rpm kernel-debug-devel-2.6.32-131.6.1.el6.i686.rpm kernel-debuginfo-2.6.32-131.6.1.el6.i686.rpm kernel-debuginfo-common-i686-2.6.32-131.6.1.el6.i686.rpm kernel-devel-2.6.32-131.6.1.el6.i686.rpm kernel-headers-2.6.32-131.6.1.el6.i686.rpm perf-2.6.32-131.6.1.el6.i686.rpm perf-debuginfo-2.6.32-131.6.1.el6.i686.rpm noarch: kernel-doc-2.6.32-131.6.1.el6.noarch.rpm kernel-firmware-2.6.32-131.6.1.el6.noarch.rpm x86_64: kernel-2.6.32-131.6.1.el6.x86_64.rpm kernel-debug-2.6.32-131.6.1.el6.x86_64.rpm kernel-debug-debuginfo-2.6.32-131.6.1.el6.x86_64.rpm kernel-debug-devel-2.6.32-131.6.1.el6.x86_64.rpm kernel-debuginfo-2.6.32-131.6.1.el6.x86_64.rpm kernel-debuginfo-common-x86_64-2.6.32-131.6.1.el6.x86_64.rpm kernel-devel-2.6.32-131.6.1.el6.x86_64.rpm kernel-headers-2.6.32-131.6.1.el6.x86_64.rpm perf-2.6.32-131.6.1.el6.x86_64.rpm perf-debuginfo-2.6.32-131.6.1.el6.x86_64.rpm Red Hat Enterprise Linux HPC Node (v. 6): Source: ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6ComputeNode/en/os/SRPMS/kernel-2.6.32-131.6.1.el6.src.rpm noarch: kernel-doc-2.6.32-131.6.1.el6.noarch.rpm kernel-firmware-2.6.32-131.6.1.el6.noarch.rpm x86_64: kernel-2.6.32-131.6.1.el6.x86_64.rpm kernel-debug-2.6.32-131.6.1.el6.x86_64.rpm kernel-debug-debuginfo-2.6.32-131.6.1.el6.x86_64.rpm kernel-debug-devel-2.6.32-131.6.1.el6.x86_64.rpm kernel-debuginfo-2.6.32-131.6.1.el6.x86_64.rpm kernel-debuginfo-common-x86_64-2.6.32-131.6.1.el6.x86_64.rpm kernel-devel-2.6.32-131.6.1.el6.x86_64.rpm kernel-headers-2.6.32-131.6.1.el6.x86_64.rpm perf-2.6.32-131.6.1.el6.x86_64.rpm perf-debuginfo-2.6.32-131.6.1.el6.x86_64.rpm Red Hat Enterprise Linux Server (v. 6): Source: ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Server/en/os/SRPMS/kernel-2.6.32-131.6.1.el6.src.rpm i386: kernel-2.6.32-131.6.1.el6.i686.rpm kernel-debug-2.6.32-131.6.1.el6.i686.rpm kernel-debug-debuginfo-2.6.32-131.6.1.el6.i686.rpm kernel-debug-devel-2.6.32-131.6.1.el6.i686.rpm kernel-debuginfo-2.6.32-131.6.1.el6.i686.rpm kernel-debuginfo-common-i686-2.6.32-131.6.1.el6.i686.rpm kernel-devel-2.6.32-131.6.1.el6.i686.rpm kernel-headers-2.6.32-131.6.1.el6.i686.rpm perf-2.6.32-131.6.1.el6.i686.rpm perf-debuginfo-2.6.32-131.6.1.el6.i686.rpm noarch: kernel-doc-2.6.32-131.6.1.el6.noarch.rpm kernel-firmware-2.6.32-131.6.1.el6.noarch.rpm ppc64: kernel-2.6.32-131.6.1.el6.ppc64.rpm kernel-bootwrapper-2.6.32-131.6.1.el6.ppc64.rpm kernel-debug-2.6.32-131.6.1.el6.ppc64.rpm kernel-debug-debuginfo-2.6.32-131.6.1.el6.ppc64.rpm kernel-debug-devel-2.6.32-131.6.1.el6.ppc64.rpm kernel-debuginfo-2.6.32-131.6.1.el6.ppc64.rpm kernel-debuginfo-common-ppc64-2.6.32-131.6.1.el6.ppc64.rpm kernel-devel-2.6.32-131.6.1.el6.ppc64.rpm kernel-headers-2.6.32-131.6.1.el6.ppc64.rpm perf-2.6.32-131.6.1.el6.ppc64.rpm perf-debuginfo-2.6.32-131.6.1.el6.ppc64.rpm s390x: kernel-2.6.32-131.6.1.el6.s390x.rpm kernel-debug-2.6.32-131.6.1.el6.s390x.rpm kernel-debug-debuginfo-2.6.32-131.6.1.el6.s390x.rpm kernel-debug-devel-2.6.32-131.6.1.el6.s390x.rpm kernel-debuginfo-2.6.32-131.6.1.el6.s390x.rpm kernel-debuginfo-common-s390x-2.6.32-131.6.1.el6.s390x.rpm kernel-devel-2.6.32-131.6.1.el6.s390x.rpm kernel-headers-2.6.32-131.6.1.el6.s390x.rpm kernel-kdump-2.6.32-131.6.1.el6.s390x.rpm kernel-kdump-debuginfo-2.6.32-131.6.1.el6.s390x.rpm kernel-kdump-devel-2.6.32-131.6.1.el6.s390x.rpm perf-2.6.32-131.6.1.el6.s390x.rpm perf-debuginfo-2.6.32-131.6.1.el6.s390x.rpm x86_64: kernel-2.6.32-131.6.1.el6.x86_64.rpm kernel-debug-2.6.32-131.6.1.el6.x86_64.rpm kernel-debug-debuginfo-2.6.32-131.6.1.el6.x86_64.rpm kernel-debug-devel-2.6.32-131.6.1.el6.x86_64.rpm kernel-debuginfo-2.6.32-131.6.1.el6.x86_64.rpm kernel-debuginfo-common-x86_64-2.6.32-131.6.1.el6.x86_64.rpm kernel-devel-2.6.32-131.6.1.el6.x86_64.rpm kernel-headers-2.6.32-131.6.1.el6.x86_64.rpm perf-2.6.32-131.6.1.el6.x86_64.rpm perf-debuginfo-2.6.32-131.6.1.el6.x86_64.rpm Red Hat Enterprise Linux Workstation (v. 6): Source: ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Workstation/en/os/SRPMS/kernel-2.6.32-131.6.1.el6.src.rpm i386: kernel-2.6.32-131.6.1.el6.i686.rpm kernel-debug-2.6.32-131.6.1.el6.i686.rpm kernel-debug-debuginfo-2.6.32-131.6.1.el6.i686.rpm kernel-debug-devel-2.6.32-131.6.1.el6.i686.rpm kernel-debuginfo-2.6.32-131.6.1.el6.i686.rpm kernel-debuginfo-common-i686-2.6.32-131.6.1.el6.i686.rpm kernel-devel-2.6.32-131.6.1.el6.i686.rpm kernel-headers-2.6.32-131.6.1.el6.i686.rpm perf-2.6.32-131.6.1.el6.i686.rpm perf-debuginfo-2.6.32-131.6.1.el6.i686.rpm noarch: kernel-doc-2.6.32-131.6.1.el6.noarch.rpm kernel-firmware-2.6.32-131.6.1.el6.noarch.rpm x86_64: kernel-2.6.32-131.6.1.el6.x86_64.rpm kernel-debug-2.6.32-131.6.1.el6.x86_64.rpm kernel-debug-debuginfo-2.6.32-131.6.1.el6.x86_64.rpm kernel-debug-devel-2.6.32-131.6.1.el6.x86_64.rpm kernel-debuginfo-2.6.32-131.6.1.el6.x86_64.rpm kernel-debuginfo-common-x86_64-2.6.32-131.6.1.el6.x86_64.rpm kernel-devel-2.6.32-131.6.1.el6.x86_64.rpm kernel-headers-2.6.32-131.6.1.el6.x86_64.rpm perf-2.6.32-131.6.1.el6.x86_64.rpm perf-debuginfo-2.6.32-131.6.1.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-2011-1767.html https://www.redhat.com/security/data/cve/CVE-2011-1768.html https://www.redhat.com/security/data/cve/CVE-2011-2479.html https://access.redhat.com/security/updates/classification/#moderate https://docs.redhat.com/docs/en-US/Red_Hat_Enterprise_Linux/6/html/6.1_Technical_Notes/kernel.html#RHSA-2011-0928 8. Contact: The Red Hat security contact is . More contact details at https://access.redhat.com/security/team/contact/ Copyright 2011 Red Hat, Inc. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.4 (GNU/Linux) iD8DBQFOHL6kXlSAg2UNWIIRAnzmAJ9ZkgaQb5w8IW0/drAXkmjx4LUHdwCfQmMI S9T6sjLD1cXTCG63cOtD8XI= =QNbC -----END PGP SIGNATURE----- -- RHSA-announce mailing list RHSA-announce@redhat.com https://www.redhat.com/mailman/listinfo/rhsa-announce