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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2018.2561 Important: kernel security update 30 August 2018 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: kernel Publisher: Red Hat Operating System: Red Hat Enterprise Linux Server 5 Impact/Access: Access Privileged Data -- Existing Account Resolution: Patch/Upgrade CVE Names: CVE-2018-3646 CVE-2018-3620 Reference: ESB-2018.2369 ESB-2018.2368 ESB-2018.2344 ESB-2018.2343 Original Bulletin: https://access.redhat.com/errata/RHSA-2018:2602 https://access.redhat.com/errata/RHSA-2018:2603 Comment: This bulletin contains two (2) Red Hat security advisories. - --------------------------BEGIN INCLUDED TEXT-------------------- ===================================================================== Red Hat Security Advisory Synopsis: Important: kernel security update Advisory ID: RHSA-2018:2602-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2018:2602 Issue date: 2018-08-29 CVE Names: CVE-2018-3620 CVE-2018-3646 ===================================================================== 1. Summary: An update for kernel is now available for Red Hat Enterprise Linux 5 Extended Lifecycle Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section. 2. Relevant releases/architectures: Red Hat Enterprise Linux Server (v. 5 ELS) - i386, noarch, s390x, x86_64 3. Description: The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * Modern operating systems implement virtualization of physical memory to efficiently use available system resources and provide inter-domain protection through access control and isolation. The L1TF issue was found in the way the x86 microprocessor designs have implemented speculative execution of instructions (a commonly used performance optimization) in combination with handling of page-faults caused by terminated virtual to physical address resolving process. As a result, an unprivileged attacker could use this flaw to read privileged memory of the kernel or other processes and/or cross guest/host boundaries to read host memory by conducting targeted cache side-channel attacks. (CVE-2018-3620, CVE-2018-3646) Red Hat would like to thank Intel OSSIRT (Intel.com) for reporting these issues. 4. Solution: For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 The system must be rebooted for this update to take effect. 5. Bugs fixed (https://bugzilla.redhat.com/): 1585005 - CVE-2018-3620 CVE-2018-3646 Kernel: hw: cpu: L1 terminal fault (L1TF) 6. Package List: Red Hat Enterprise Linux Server (v. 5 ELS): Source: kernel-2.6.18-434.el5.src.rpm i386: kernel-2.6.18-434.el5.i686.rpm kernel-PAE-2.6.18-434.el5.i686.rpm kernel-PAE-debuginfo-2.6.18-434.el5.i686.rpm kernel-PAE-devel-2.6.18-434.el5.i686.rpm kernel-debug-2.6.18-434.el5.i686.rpm kernel-debug-debuginfo-2.6.18-434.el5.i686.rpm kernel-debug-devel-2.6.18-434.el5.i686.rpm kernel-debuginfo-2.6.18-434.el5.i686.rpm kernel-debuginfo-common-2.6.18-434.el5.i686.rpm kernel-devel-2.6.18-434.el5.i686.rpm kernel-headers-2.6.18-434.el5.i386.rpm kernel-xen-2.6.18-434.el5.i686.rpm kernel-xen-debuginfo-2.6.18-434.el5.i686.rpm kernel-xen-devel-2.6.18-434.el5.i686.rpm noarch: kernel-doc-2.6.18-434.el5.noarch.rpm s390x: kernel-2.6.18-434.el5.s390x.rpm kernel-debug-2.6.18-434.el5.s390x.rpm kernel-debug-debuginfo-2.6.18-434.el5.s390x.rpm kernel-debug-devel-2.6.18-434.el5.s390x.rpm kernel-debuginfo-2.6.18-434.el5.s390x.rpm kernel-debuginfo-common-2.6.18-434.el5.s390x.rpm kernel-devel-2.6.18-434.el5.s390x.rpm kernel-headers-2.6.18-434.el5.s390x.rpm kernel-kdump-2.6.18-434.el5.s390x.rpm kernel-kdump-debuginfo-2.6.18-434.el5.s390x.rpm kernel-kdump-devel-2.6.18-434.el5.s390x.rpm x86_64: kernel-2.6.18-434.el5.x86_64.rpm kernel-debug-2.6.18-434.el5.x86_64.rpm kernel-debug-debuginfo-2.6.18-434.el5.x86_64.rpm kernel-debug-devel-2.6.18-434.el5.x86_64.rpm kernel-debuginfo-2.6.18-434.el5.x86_64.rpm kernel-debuginfo-common-2.6.18-434.el5.x86_64.rpm kernel-devel-2.6.18-434.el5.x86_64.rpm kernel-headers-2.6.18-434.el5.x86_64.rpm kernel-xen-2.6.18-434.el5.x86_64.rpm kernel-xen-debuginfo-2.6.18-434.el5.x86_64.rpm kernel-xen-devel-2.6.18-434.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/ 7. References: https://access.redhat.com/security/cve/CVE-2018-3620 https://access.redhat.com/security/cve/CVE-2018-3646 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 2018 Red Hat, Inc. - ------------------------------------------------------------------------------- ===================================================================== Red Hat Security Advisory Synopsis: Important: kernel security update Advisory ID: RHSA-2018:2603-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2018:2603 Issue date: 2018-08-29 CVE Names: CVE-2018-3620 CVE-2018-3646 ===================================================================== 1. Summary: An update for kernel is now available for Red Hat Enterprise Linux 5.9 Long Life. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section. 2. Relevant releases/architectures: Red Hat Enterprise Linux Long Life (v. 5.9 server) - i386, noarch, x86_64 3. Description: The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * Modern operating systems implement virtualization of physical memory to efficiently use available system resources and provide inter-domain protection through access control and isolation. The L1TF issue was found in the way the x86 microprocessor designs have implemented speculative execution of instructions (a commonly used performance optimization) in combination with handling of page-faults caused by terminated virtual to physical address resolving process. As a result, an unprivileged attacker could use this flaw to read privileged memory of the kernel or other processes and/or cross guest/host boundaries to read host memory by conducting targeted cache side-channel attacks. (CVE-2018-3620, CVE-2018-3646) Red Hat would like to thank Intel OSSIRT (Intel.com) for reporting these issues. 4. Solution: For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 The system must be rebooted for this update to take effect. 5. Bugs fixed (https://bugzilla.redhat.com/): 1585005 - CVE-2018-3620 CVE-2018-3646 Kernel: hw: cpu: L1 terminal fault (L1TF) 6. Package List: Red Hat Enterprise Linux Long Life (v. 5.9 server): Source: kernel-2.6.18-348.41.1.el5.src.rpm i386: kernel-2.6.18-348.41.1.el5.i686.rpm kernel-PAE-2.6.18-348.41.1.el5.i686.rpm kernel-PAE-debuginfo-2.6.18-348.41.1.el5.i686.rpm kernel-PAE-devel-2.6.18-348.41.1.el5.i686.rpm kernel-debug-2.6.18-348.41.1.el5.i686.rpm kernel-debug-debuginfo-2.6.18-348.41.1.el5.i686.rpm kernel-debug-devel-2.6.18-348.41.1.el5.i686.rpm kernel-debuginfo-2.6.18-348.41.1.el5.i686.rpm kernel-debuginfo-common-2.6.18-348.41.1.el5.i686.rpm kernel-devel-2.6.18-348.41.1.el5.i686.rpm kernel-headers-2.6.18-348.41.1.el5.i386.rpm kernel-xen-2.6.18-348.41.1.el5.i686.rpm kernel-xen-debuginfo-2.6.18-348.41.1.el5.i686.rpm kernel-xen-devel-2.6.18-348.41.1.el5.i686.rpm noarch: kernel-doc-2.6.18-348.41.1.el5.noarch.rpm x86_64: kernel-2.6.18-348.41.1.el5.x86_64.rpm kernel-debug-2.6.18-348.41.1.el5.x86_64.rpm kernel-debug-debuginfo-2.6.18-348.41.1.el5.x86_64.rpm kernel-debug-devel-2.6.18-348.41.1.el5.x86_64.rpm kernel-debuginfo-2.6.18-348.41.1.el5.x86_64.rpm kernel-debuginfo-common-2.6.18-348.41.1.el5.x86_64.rpm kernel-devel-2.6.18-348.41.1.el5.x86_64.rpm kernel-headers-2.6.18-348.41.1.el5.x86_64.rpm kernel-xen-2.6.18-348.41.1.el5.x86_64.rpm kernel-xen-debuginfo-2.6.18-348.41.1.el5.x86_64.rpm kernel-xen-devel-2.6.18-348.41.1.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/ 7. References: https://access.redhat.com/security/cve/CVE-2018-3620 https://access.redhat.com/security/cve/CVE-2018-3646 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 2018 Red Hat, Inc. - --------------------------END INCLUDED TEXT-------------------- You have received this e-mail bulletin as a result of your organisation's registration with AusCERT. The mailing list you are subscribed to is maintained within your organisation, so if you do not wish to continue receiving these bulletins you should contact your local IT manager. If you do not know who that is, please send an email to auscert@auscert.org.au and we will forward your request to the appropriate person. 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If you have any questions or need further information, please contact them directly. Previous advisories and external security bulletins can be retrieved from: https://www.auscert.org.au/bulletins/ =========================================================================== Australian Computer Emergency Response Team The University of Queensland Brisbane Qld 4072 Internet Email: auscert@auscert.org.au Facsimile: (07) 3365 7031 Telephone: (07) 3365 4417 (International: +61 7 3365 4417) AusCERT personnel answer during Queensland business hours which are GMT+10:00 (AEST). On call after hours for member emergencies only. =========================================================================== -----BEGIN PGP SIGNATURE----- Comment: http://www.auscert.org.au/render.html?it=1967 iQIVAwUBW4c5lGaOgq3Tt24GAQiscA/7BRVID0Di8KWWlIEapQvWfSVQMI5KeFt1 aPDiVYrDxOg8VkMAhaVp8t6+gL413UR1/73PtJA0AK16We9+6g9nd+ikwq+Bv1NV ABdzYDRaRrqahgZtyPJLluH6cHLo02tZfTRW+B6ic/E7cPfttkTXyiBv7dFOnDEc kM8DiFeJO+LxaLshtYFdpuClhK/gwwpY0s9OeXH+jD2ulWEafaIpvEnIsSdb9xa1 Y+OybBulSoF4P91+4bn0gbYEOtYcmNFl3pYEgrSfQjLTzpOsS1rXt2hymCMhQzNU L+KF8NzRiUiNKUf+PMnXic7asbBlUQiDtOY+AwqtOp6N5cZOUhqPwwKhyNtMKXaq 4Vgrf/TuFZjGFonKJmvl9MamiqFSLzfvmE+Sr6VWqHt/wW924ktPIu+gikOIsbsw Ir30mmCanINYoKw1hFCRdltMxISv7rAv62YGJn2jSHTwvP/OA1wDIUVPJjkVNXyY sBibcO9qqSjAikxaJwrxB4Li+LicvvO7uPdbSTsQKsx+dTneEGp3nnUyWr/8bQlK oZTIzDdbM2j3eDMuhoVM88PHirJnrDhm8z6dqPH4IjxP3h/qm8mhVOLhXu+XadvZ cbd2B4CIGGEz0hZoc7t+3OsNazsNoPmflYd6eeLO5F8ZoTADf7RXR2Q4zhXVQc6W f+vuFQJ/FUw= =6Cce -----END PGP SIGNATURE-----