===================================================================== CERT-Renater Note d'Information No. 2010/VULN387 _____________________________________________________________________ DATE : 29/09/2010 HARDWARE PLATFORM(S) : / OPERATING SYSTEM(S) : Red Hat Enterprise Linux version 4 running linux kernel version 2.6. ====================================================================== https://rhn.redhat.com/errata/RHSA-2010-0718.html https://rhn.redhat.com/errata/RHSA-2010-0719.html ______________________________________________________________________ ===================================================================== Red Hat Security Advisory Synopsis: Important: kernel security update Advisory ID: RHSA-2010:0718-01 Product: Red Hat Enterprise Linux Advisory URL: https://rhn.redhat.com/errata/RHSA-2010-0718.html Issue date: 2010-09-28 CVE Names: CVE-2010-3081 ===================================================================== 1. Summary: Updated kernel packages that fix one security issue are now available for Red Hat Enterprise Linux 4. 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 AS version 4 - i386, ia64, noarch, ppc, s390, s390x, x86_64 Red Hat Enterprise Linux Desktop version 4 - i386, noarch, x86_64 Red Hat Enterprise Linux ES version 4 - i386, ia64, noarch, x86_64 Red Hat Enterprise Linux WS version 4 - i386, ia64, 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: * The compat_alloc_user_space() function in the Linux kernel 32/64-bit compatibility layer implementation was missing sanity checks. This function could be abused in other areas of the Linux kernel if its length argument can be controlled from user-space. On 64-bit systems, a local, unprivileged user could use this flaw to escalate their privileges. (CVE-2010-3081, Important) Red Hat would like to thank Ben Hawkes for reporting this issue. Refer to Knowledgebase article DOC-40265 for further details: https://access.redhat.com/kb/docs/DOC-40265 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 http://kbase.redhat.com/faq/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/): 634457 - CVE-2010-3081 kernel: 64-bit Compatibility Mode Stack Pointer Underflow 6. Package List: Red Hat Enterprise Linux AS version 4: Source: ftp://updates.redhat.com/enterprise/4AS/en/os/SRPMS/kernel-2.6.9-89.29.1.EL.src.rpm i386: kernel-2.6.9-89.29.1.EL.i686.rpm kernel-debuginfo-2.6.9-89.29.1.EL.i686.rpm kernel-devel-2.6.9-89.29.1.EL.i686.rpm kernel-hugemem-2.6.9-89.29.1.EL.i686.rpm kernel-hugemem-devel-2.6.9-89.29.1.EL.i686.rpm kernel-smp-2.6.9-89.29.1.EL.i686.rpm kernel-smp-devel-2.6.9-89.29.1.EL.i686.rpm kernel-xenU-2.6.9-89.29.1.EL.i686.rpm kernel-xenU-devel-2.6.9-89.29.1.EL.i686.rpm ia64: kernel-2.6.9-89.29.1.EL.ia64.rpm kernel-debuginfo-2.6.9-89.29.1.EL.ia64.rpm kernel-devel-2.6.9-89.29.1.EL.ia64.rpm kernel-largesmp-2.6.9-89.29.1.EL.ia64.rpm kernel-largesmp-devel-2.6.9-89.29.1.EL.ia64.rpm noarch: kernel-doc-2.6.9-89.29.1.EL.noarch.rpm ppc: kernel-2.6.9-89.29.1.EL.ppc64.rpm kernel-2.6.9-89.29.1.EL.ppc64iseries.rpm kernel-debuginfo-2.6.9-89.29.1.EL.ppc64.rpm kernel-debuginfo-2.6.9-89.29.1.EL.ppc64iseries.rpm kernel-devel-2.6.9-89.29.1.EL.ppc64.rpm kernel-devel-2.6.9-89.29.1.EL.ppc64iseries.rpm kernel-largesmp-2.6.9-89.29.1.EL.ppc64.rpm kernel-largesmp-devel-2.6.9-89.29.1.EL.ppc64.rpm s390: kernel-2.6.9-89.29.1.EL.s390.rpm kernel-debuginfo-2.6.9-89.29.1.EL.s390.rpm kernel-devel-2.6.9-89.29.1.EL.s390.rpm s390x: kernel-2.6.9-89.29.1.EL.s390x.rpm kernel-debuginfo-2.6.9-89.29.1.EL.s390x.rpm kernel-devel-2.6.9-89.29.1.EL.s390x.rpm x86_64: kernel-2.6.9-89.29.1.EL.x86_64.rpm kernel-debuginfo-2.6.9-89.29.1.EL.x86_64.rpm kernel-devel-2.6.9-89.29.1.EL.x86_64.rpm kernel-largesmp-2.6.9-89.29.1.EL.x86_64.rpm kernel-largesmp-devel-2.6.9-89.29.1.EL.x86_64.rpm kernel-smp-2.6.9-89.29.1.EL.x86_64.rpm kernel-smp-devel-2.6.9-89.29.1.EL.x86_64.rpm kernel-xenU-2.6.9-89.29.1.EL.x86_64.rpm kernel-xenU-devel-2.6.9-89.29.1.EL.x86_64.rpm Red Hat Enterprise Linux Desktop version 4: Source: ftp://updates.redhat.com/enterprise/4Desktop/en/os/SRPMS/kernel-2.6.9-89.29.1.EL.src.rpm i386: kernel-2.6.9-89.29.1.EL.i686.rpm kernel-debuginfo-2.6.9-89.29.1.EL.i686.rpm kernel-devel-2.6.9-89.29.1.EL.i686.rpm kernel-hugemem-2.6.9-89.29.1.EL.i686.rpm kernel-hugemem-devel-2.6.9-89.29.1.EL.i686.rpm kernel-smp-2.6.9-89.29.1.EL.i686.rpm kernel-smp-devel-2.6.9-89.29.1.EL.i686.rpm kernel-xenU-2.6.9-89.29.1.EL.i686.rpm kernel-xenU-devel-2.6.9-89.29.1.EL.i686.rpm noarch: kernel-doc-2.6.9-89.29.1.EL.noarch.rpm x86_64: kernel-2.6.9-89.29.1.EL.x86_64.rpm kernel-debuginfo-2.6.9-89.29.1.EL.x86_64.rpm kernel-devel-2.6.9-89.29.1.EL.x86_64.rpm kernel-largesmp-2.6.9-89.29.1.EL.x86_64.rpm kernel-largesmp-devel-2.6.9-89.29.1.EL.x86_64.rpm kernel-smp-2.6.9-89.29.1.EL.x86_64.rpm kernel-smp-devel-2.6.9-89.29.1.EL.x86_64.rpm kernel-xenU-2.6.9-89.29.1.EL.x86_64.rpm kernel-xenU-devel-2.6.9-89.29.1.EL.x86_64.rpm Red Hat Enterprise Linux ES version 4: Source: ftp://updates.redhat.com/enterprise/4ES/en/os/SRPMS/kernel-2.6.9-89.29.1.EL.src.rpm i386: kernel-2.6.9-89.29.1.EL.i686.rpm kernel-debuginfo-2.6.9-89.29.1.EL.i686.rpm kernel-devel-2.6.9-89.29.1.EL.i686.rpm kernel-hugemem-2.6.9-89.29.1.EL.i686.rpm kernel-hugemem-devel-2.6.9-89.29.1.EL.i686.rpm kernel-smp-2.6.9-89.29.1.EL.i686.rpm kernel-smp-devel-2.6.9-89.29.1.EL.i686.rpm kernel-xenU-2.6.9-89.29.1.EL.i686.rpm kernel-xenU-devel-2.6.9-89.29.1.EL.i686.rpm ia64: kernel-2.6.9-89.29.1.EL.ia64.rpm kernel-debuginfo-2.6.9-89.29.1.EL.ia64.rpm kernel-devel-2.6.9-89.29.1.EL.ia64.rpm kernel-largesmp-2.6.9-89.29.1.EL.ia64.rpm kernel-largesmp-devel-2.6.9-89.29.1.EL.ia64.rpm noarch: kernel-doc-2.6.9-89.29.1.EL.noarch.rpm x86_64: kernel-2.6.9-89.29.1.EL.x86_64.rpm kernel-debuginfo-2.6.9-89.29.1.EL.x86_64.rpm kernel-devel-2.6.9-89.29.1.EL.x86_64.rpm kernel-largesmp-2.6.9-89.29.1.EL.x86_64.rpm kernel-largesmp-devel-2.6.9-89.29.1.EL.x86_64.rpm kernel-smp-2.6.9-89.29.1.EL.x86_64.rpm kernel-smp-devel-2.6.9-89.29.1.EL.x86_64.rpm kernel-xenU-2.6.9-89.29.1.EL.x86_64.rpm kernel-xenU-devel-2.6.9-89.29.1.EL.x86_64.rpm Red Hat Enterprise Linux WS version 4: Source: ftp://updates.redhat.com/enterprise/4WS/en/os/SRPMS/kernel-2.6.9-89.29.1.EL.src.rpm i386: kernel-2.6.9-89.29.1.EL.i686.rpm kernel-debuginfo-2.6.9-89.29.1.EL.i686.rpm kernel-devel-2.6.9-89.29.1.EL.i686.rpm kernel-hugemem-2.6.9-89.29.1.EL.i686.rpm kernel-hugemem-devel-2.6.9-89.29.1.EL.i686.rpm kernel-smp-2.6.9-89.29.1.EL.i686.rpm kernel-smp-devel-2.6.9-89.29.1.EL.i686.rpm kernel-xenU-2.6.9-89.29.1.EL.i686.rpm kernel-xenU-devel-2.6.9-89.29.1.EL.i686.rpm ia64: kernel-2.6.9-89.29.1.EL.ia64.rpm kernel-debuginfo-2.6.9-89.29.1.EL.ia64.rpm kernel-devel-2.6.9-89.29.1.EL.ia64.rpm kernel-largesmp-2.6.9-89.29.1.EL.ia64.rpm kernel-largesmp-devel-2.6.9-89.29.1.EL.ia64.rpm noarch: kernel-doc-2.6.9-89.29.1.EL.noarch.rpm x86_64: kernel-2.6.9-89.29.1.EL.x86_64.rpm kernel-debuginfo-2.6.9-89.29.1.EL.x86_64.rpm kernel-devel-2.6.9-89.29.1.EL.x86_64.rpm kernel-largesmp-2.6.9-89.29.1.EL.x86_64.rpm kernel-largesmp-devel-2.6.9-89.29.1.EL.x86_64.rpm kernel-smp-2.6.9-89.29.1.EL.x86_64.rpm kernel-smp-devel-2.6.9-89.29.1.EL.x86_64.rpm kernel-xenU-2.6.9-89.29.1.EL.x86_64.rpm kernel-xenU-devel-2.6.9-89.29.1.EL.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://www.redhat.com/security/team/key/#package 7. References: https://www.redhat.com/security/data/cve/CVE-2010-3081.html http://www.redhat.com/security/updates/classification/#important https://access.redhat.com/kb/docs/DOC-40265 8. Contact: The Red Hat security contact is . More contact details at https://www.redhat.com/security/team/contact/ Copyright 2010 Red Hat, Inc. ----------------------------------------------------------------------- ===================================================================== Red Hat Security Advisory Synopsis: Important: kernel security update Advisory ID: RHSA-2010:0719-01 Product: Red Hat Enterprise Linux Advisory URL: https://rhn.redhat.com/errata/RHSA-2010-0719.html Issue date: 2010-09-28 CVE Names: CVE-2010-3081 ===================================================================== 1. Summary: Updated kernel packages that fix one security issue are now available for Red Hat Enterprise Linux 4.7 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 AS version 4.7.z - i386, ia64, noarch, ppc, s390, s390x, x86_64 Red Hat Enterprise Linux ES version 4.7.z - i386, ia64, 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: * The compat_alloc_user_space() function in the Linux kernel 32/64-bit compatibility layer implementation was missing sanity checks. This function could be abused in other areas of the Linux kernel if its length argument can be controlled from user-space. On 64-bit systems, a local, unprivileged user could use this flaw to escalate their privileges. (CVE-2010-3081, Important) Red Hat would like to thank Ben Hawkes for reporting this issue. Refer to Knowledgebase article DOC-40265 for further details: https://access.redhat.com/kb/docs/DOC-40265 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 http://kbase.redhat.com/faq/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/): 634457 - CVE-2010-3081 kernel: 64-bit Compatibility Mode Stack Pointer Underflow 6. Package List: Red Hat Enterprise Linux AS version 4.7.z: Source: kernel-2.6.9-78.0.33.EL.src.rpm i386: kernel-2.6.9-78.0.33.EL.i686.rpm kernel-debuginfo-2.6.9-78.0.33.EL.i686.rpm kernel-devel-2.6.9-78.0.33.EL.i686.rpm kernel-hugemem-2.6.9-78.0.33.EL.i686.rpm kernel-hugemem-devel-2.6.9-78.0.33.EL.i686.rpm kernel-smp-2.6.9-78.0.33.EL.i686.rpm kernel-smp-devel-2.6.9-78.0.33.EL.i686.rpm kernel-xenU-2.6.9-78.0.33.EL.i686.rpm kernel-xenU-devel-2.6.9-78.0.33.EL.i686.rpm ia64: kernel-2.6.9-78.0.33.EL.ia64.rpm kernel-debuginfo-2.6.9-78.0.33.EL.ia64.rpm kernel-devel-2.6.9-78.0.33.EL.ia64.rpm kernel-largesmp-2.6.9-78.0.33.EL.ia64.rpm kernel-largesmp-devel-2.6.9-78.0.33.EL.ia64.rpm noarch: kernel-doc-2.6.9-78.0.33.EL.noarch.rpm ppc: kernel-2.6.9-78.0.33.EL.ppc64.rpm kernel-2.6.9-78.0.33.EL.ppc64iseries.rpm kernel-debuginfo-2.6.9-78.0.33.EL.ppc64.rpm kernel-debuginfo-2.6.9-78.0.33.EL.ppc64iseries.rpm kernel-devel-2.6.9-78.0.33.EL.ppc64.rpm kernel-devel-2.6.9-78.0.33.EL.ppc64iseries.rpm kernel-largesmp-2.6.9-78.0.33.EL.ppc64.rpm kernel-largesmp-devel-2.6.9-78.0.33.EL.ppc64.rpm s390: kernel-2.6.9-78.0.33.EL.s390.rpm kernel-debuginfo-2.6.9-78.0.33.EL.s390.rpm kernel-devel-2.6.9-78.0.33.EL.s390.rpm s390x: kernel-2.6.9-78.0.33.EL.s390x.rpm kernel-debuginfo-2.6.9-78.0.33.EL.s390x.rpm kernel-devel-2.6.9-78.0.33.EL.s390x.rpm x86_64: kernel-2.6.9-78.0.33.EL.x86_64.rpm kernel-debuginfo-2.6.9-78.0.33.EL.x86_64.rpm kernel-devel-2.6.9-78.0.33.EL.x86_64.rpm kernel-largesmp-2.6.9-78.0.33.EL.x86_64.rpm kernel-largesmp-devel-2.6.9-78.0.33.EL.x86_64.rpm kernel-smp-2.6.9-78.0.33.EL.x86_64.rpm kernel-smp-devel-2.6.9-78.0.33.EL.x86_64.rpm kernel-xenU-2.6.9-78.0.33.EL.x86_64.rpm kernel-xenU-devel-2.6.9-78.0.33.EL.x86_64.rpm Red Hat Enterprise Linux ES version 4.7.z: Source: kernel-2.6.9-78.0.33.EL.src.rpm i386: kernel-2.6.9-78.0.33.EL.i686.rpm kernel-debuginfo-2.6.9-78.0.33.EL.i686.rpm kernel-devel-2.6.9-78.0.33.EL.i686.rpm kernel-hugemem-2.6.9-78.0.33.EL.i686.rpm kernel-hugemem-devel-2.6.9-78.0.33.EL.i686.rpm kernel-smp-2.6.9-78.0.33.EL.i686.rpm kernel-smp-devel-2.6.9-78.0.33.EL.i686.rpm kernel-xenU-2.6.9-78.0.33.EL.i686.rpm kernel-xenU-devel-2.6.9-78.0.33.EL.i686.rpm ia64: kernel-2.6.9-78.0.33.EL.ia64.rpm kernel-debuginfo-2.6.9-78.0.33.EL.ia64.rpm kernel-devel-2.6.9-78.0.33.EL.ia64.rpm kernel-largesmp-2.6.9-78.0.33.EL.ia64.rpm kernel-largesmp-devel-2.6.9-78.0.33.EL.ia64.rpm noarch: kernel-doc-2.6.9-78.0.33.EL.noarch.rpm x86_64: kernel-2.6.9-78.0.33.EL.x86_64.rpm kernel-debuginfo-2.6.9-78.0.33.EL.x86_64.rpm kernel-devel-2.6.9-78.0.33.EL.x86_64.rpm kernel-largesmp-2.6.9-78.0.33.EL.x86_64.rpm kernel-largesmp-devel-2.6.9-78.0.33.EL.x86_64.rpm kernel-smp-2.6.9-78.0.33.EL.x86_64.rpm kernel-smp-devel-2.6.9-78.0.33.EL.x86_64.rpm kernel-xenU-2.6.9-78.0.33.EL.x86_64.rpm kernel-xenU-devel-2.6.9-78.0.33.EL.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://www.redhat.com/security/team/key/#package 7. References: https://www.redhat.com/security/data/cve/CVE-2010-3081.html http://www.redhat.com/security/updates/classification/#important https://access.redhat.com/kb/docs/DOC-40265 8. Contact: The Red Hat security contact is . More contact details at https://www.redhat.com/security/team/contact/ Copyright 2010 Red Hat, Inc. ====================================================================== ========================================================= Les serveurs de référence du CERT-Renater http://www.urec.fr/securite http://www.cru.fr/securite http://www.renater.fr ========================================================= + CERT-RENATER | tel : 01-53-94-20-44 + + 151 bd de l'Hopital | fax : 01-53-94-20-41 + + 75013 Paris | email: certsvp@renater.fr + =========================================================