-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 ===================================================================== Red Hat Security Advisory Synopsis: Important: kernel security and bug fix update Advisory ID: RHSA-2012:0690-01 Product: Red Hat Enterprise Linux Advisory URL: https://rhn.redhat.com/errata/RHSA-2012-0690.html Issue date: 2012-05-29 CVE Names: CVE-2012-2136 ===================================================================== 1. Summary: Updated kernel packages that fix one security issue and various bugs are now available for Red Hat Enterprise Linux 5. 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 (v. 5 server) - i386, ia64, noarch, ppc, s390x, x86_64 Red Hat Enterprise Linux Desktop (v. 5 client) - 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 issue: * It was found that the data_len parameter of the sock_alloc_send_pskb() function in the Linux kernel's networking implementation was not validated before use. A local user with access to a TUN/TAP virtual interface could use this flaw to crash the system or, potentially, escalate their privileges. Note that unprivileged users cannot access TUN/TAP devices until the root user grants them access. (CVE-2012-2136, Important) This update also fixes various bugs. Documentation for these changes 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 correct this issue, 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/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/): 816289 - CVE-2012-2136 kernel: net: insufficient data_len validation in sock_alloc_send_pskb() 6. Package List: Red Hat Enterprise Linux Desktop (v. 5 client): Source: ftp://ftp.redhat.com/pub/redhat/linux/enterprise/5Client/en/os/SRPMS/kernel-2.6.18-308.8.1.el5.src.rpm i386: kernel-2.6.18-308.8.1.el5.i686.rpm kernel-PAE-2.6.18-308.8.1.el5.i686.rpm kernel-PAE-debuginfo-2.6.18-308.8.1.el5.i686.rpm kernel-PAE-devel-2.6.18-308.8.1.el5.i686.rpm kernel-debug-2.6.18-308.8.1.el5.i686.rpm kernel-debug-debuginfo-2.6.18-308.8.1.el5.i686.rpm kernel-debug-devel-2.6.18-308.8.1.el5.i686.rpm kernel-debuginfo-2.6.18-308.8.1.el5.i686.rpm kernel-debuginfo-common-2.6.18-308.8.1.el5.i686.rpm kernel-devel-2.6.18-308.8.1.el5.i686.rpm kernel-headers-2.6.18-308.8.1.el5.i386.rpm kernel-xen-2.6.18-308.8.1.el5.i686.rpm kernel-xen-debuginfo-2.6.18-308.8.1.el5.i686.rpm kernel-xen-devel-2.6.18-308.8.1.el5.i686.rpm noarch: kernel-doc-2.6.18-308.8.1.el5.noarch.rpm x86_64: kernel-2.6.18-308.8.1.el5.x86_64.rpm kernel-debug-2.6.18-308.8.1.el5.x86_64.rpm kernel-debug-debuginfo-2.6.18-308.8.1.el5.x86_64.rpm kernel-debug-devel-2.6.18-308.8.1.el5.x86_64.rpm kernel-debuginfo-2.6.18-308.8.1.el5.x86_64.rpm kernel-debuginfo-common-2.6.18-308.8.1.el5.x86_64.rpm kernel-devel-2.6.18-308.8.1.el5.x86_64.rpm kernel-headers-2.6.18-308.8.1.el5.x86_64.rpm kernel-xen-2.6.18-308.8.1.el5.x86_64.rpm kernel-xen-debuginfo-2.6.18-308.8.1.el5.x86_64.rpm kernel-xen-devel-2.6.18-308.8.1.el5.x86_64.rpm Red Hat Enterprise Linux (v. 5 server): Source: ftp://ftp.redhat.com/pub/redhat/linux/enterprise/5Server/en/os/SRPMS/kernel-2.6.18-308.8.1.el5.src.rpm i386: kernel-2.6.18-308.8.1.el5.i686.rpm kernel-PAE-2.6.18-308.8.1.el5.i686.rpm kernel-PAE-debuginfo-2.6.18-308.8.1.el5.i686.rpm kernel-PAE-devel-2.6.18-308.8.1.el5.i686.rpm kernel-debug-2.6.18-308.8.1.el5.i686.rpm kernel-debug-debuginfo-2.6.18-308.8.1.el5.i686.rpm kernel-debug-devel-2.6.18-308.8.1.el5.i686.rpm kernel-debuginfo-2.6.18-308.8.1.el5.i686.rpm kernel-debuginfo-common-2.6.18-308.8.1.el5.i686.rpm kernel-devel-2.6.18-308.8.1.el5.i686.rpm kernel-headers-2.6.18-308.8.1.el5.i386.rpm kernel-xen-2.6.18-308.8.1.el5.i686.rpm kernel-xen-debuginfo-2.6.18-308.8.1.el5.i686.rpm kernel-xen-devel-2.6.18-308.8.1.el5.i686.rpm ia64: kernel-2.6.18-308.8.1.el5.ia64.rpm kernel-debug-2.6.18-308.8.1.el5.ia64.rpm kernel-debug-debuginfo-2.6.18-308.8.1.el5.ia64.rpm kernel-debug-devel-2.6.18-308.8.1.el5.ia64.rpm kernel-debuginfo-2.6.18-308.8.1.el5.ia64.rpm kernel-debuginfo-common-2.6.18-308.8.1.el5.ia64.rpm kernel-devel-2.6.18-308.8.1.el5.ia64.rpm kernel-headers-2.6.18-308.8.1.el5.ia64.rpm kernel-xen-2.6.18-308.8.1.el5.ia64.rpm kernel-xen-debuginfo-2.6.18-308.8.1.el5.ia64.rpm kernel-xen-devel-2.6.18-308.8.1.el5.ia64.rpm noarch: kernel-doc-2.6.18-308.8.1.el5.noarch.rpm ppc: kernel-2.6.18-308.8.1.el5.ppc64.rpm kernel-debug-2.6.18-308.8.1.el5.ppc64.rpm kernel-debug-debuginfo-2.6.18-308.8.1.el5.ppc64.rpm kernel-debug-devel-2.6.18-308.8.1.el5.ppc64.rpm kernel-debuginfo-2.6.18-308.8.1.el5.ppc64.rpm kernel-debuginfo-common-2.6.18-308.8.1.el5.ppc64.rpm kernel-devel-2.6.18-308.8.1.el5.ppc64.rpm kernel-headers-2.6.18-308.8.1.el5.ppc.rpm kernel-headers-2.6.18-308.8.1.el5.ppc64.rpm kernel-kdump-2.6.18-308.8.1.el5.ppc64.rpm kernel-kdump-debuginfo-2.6.18-308.8.1.el5.ppc64.rpm kernel-kdump-devel-2.6.18-308.8.1.el5.ppc64.rpm s390x: kernel-2.6.18-308.8.1.el5.s390x.rpm kernel-debug-2.6.18-308.8.1.el5.s390x.rpm kernel-debug-debuginfo-2.6.18-308.8.1.el5.s390x.rpm kernel-debug-devel-2.6.18-308.8.1.el5.s390x.rpm kernel-debuginfo-2.6.18-308.8.1.el5.s390x.rpm kernel-debuginfo-common-2.6.18-308.8.1.el5.s390x.rpm kernel-devel-2.6.18-308.8.1.el5.s390x.rpm kernel-headers-2.6.18-308.8.1.el5.s390x.rpm kernel-kdump-2.6.18-308.8.1.el5.s390x.rpm kernel-kdump-debuginfo-2.6.18-308.8.1.el5.s390x.rpm kernel-kdump-devel-2.6.18-308.8.1.el5.s390x.rpm x86_64: kernel-2.6.18-308.8.1.el5.x86_64.rpm kernel-debug-2.6.18-308.8.1.el5.x86_64.rpm kernel-debug-debuginfo-2.6.18-308.8.1.el5.x86_64.rpm kernel-debug-devel-2.6.18-308.8.1.el5.x86_64.rpm kernel-debuginfo-2.6.18-308.8.1.el5.x86_64.rpm kernel-debuginfo-common-2.6.18-308.8.1.el5.x86_64.rpm kernel-devel-2.6.18-308.8.1.el5.x86_64.rpm kernel-headers-2.6.18-308.8.1.el5.x86_64.rpm kernel-xen-2.6.18-308.8.1.el5.x86_64.rpm kernel-xen-debuginfo-2.6.18-308.8.1.el5.x86_64.rpm kernel-xen-devel-2.6.18-308.8.1.el5.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-2012-2136.html https://access.redhat.com/security/updates/classification/#important https://docs.redhat.com/docs/en-US/Red_Hat_Enterprise_Linux/5/html/5.8_Technical_Notes/kernel.html#RHSA-2012-0690 8. Contact: The Red Hat security contact is . More contact details at https://access.redhat.com/security/team/contact/ Copyright 2012 Red Hat, Inc. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.4 (GNU/Linux) iD8DBQFPxRQsXlSAg2UNWIIRApMMAJ0e0EEaSRgf3myi2iw3kks9lSLIrQCgv3X0 3MoU8cPLf6Fe5b1wZU59Ybc= =KnKI -----END PGP SIGNATURE----- -- RHSA-announce mailing list RHSA-announce@redhat.com https://www.redhat.com/mailman/listinfo/rhsa-announce