Security update for xen

Announcement ID: SUSE-SU-2019:1247-1
Rating: important
References:
Cross-References:
CVSS scores:
  • CVE-2018-12126 ( SUSE ): 3.8 CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N
  • CVE-2018-12126 ( NVD ): 5.6 CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N
  • CVE-2018-12127 ( SUSE ): 3.8 CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N
  • CVE-2018-12127 ( NVD ): 5.6 CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N
  • CVE-2018-12130 ( SUSE ): 6.5 CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
  • CVE-2018-12130 ( NVD ): 5.6 CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N
  • CVE-2018-20815 ( SUSE ): 7.0 CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:H
  • CVE-2018-20815 ( NVD ): 9.8 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
  • CVE-2019-11091 ( SUSE ): 6.5 CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
  • CVE-2019-11091 ( NVD ): 5.6 CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N
Affected Products:
  • SUSE CaaS Platform 3.0
  • SUSE Container as a Service Platform 1.0
  • SUSE Container as a Service Platform 2.0
  • SUSE Linux Enterprise Desktop 12 SP3
  • SUSE Linux Enterprise High Performance Computing 12 SP3
  • SUSE Linux Enterprise Server 12 SP3
  • SUSE Linux Enterprise Server for SAP Applications 12 SP3
  • SUSE Linux Enterprise Software Development Kit 12 SP3

An update that solves five vulnerabilities can now be installed.

Description:

This update for xen fixes the following issues:

Four new speculative execution information leak issues have been identified in Intel CPUs. (bsc#1111331)

  • CVE-2018-12126: Microarchitectural Store Buffer Data Sampling (MSBDS)
  • CVE-2018-12127: Microarchitectural Fill Buffer Data Sampling (MFBDS)
  • CVE-2018-12130: Microarchitectural Load Port Data Samling (MLPDS)
  • CVE-2019-11091: Microarchitectural Data Sampling Uncacheable Memory (MDSUM)

These updates contain the XEN Hypervisor adjustments, that additionaly also use CPU Microcode updates.

The mitigation can be controlled via the "mds" commandline option, see the documentation.

For more information on this set of vulnerabilities, check out https://www.suse.com/support/kb/doc/?id=7023736

Security issue fixed:

  • CVE-2018-20815: Fixed a heap buffer overflow while loading device tree blob (bsc#1130680)

Other fixes:

  • Added code to change LIBXL_HOTPLUG_TIMEOUT at runtime.

The included README has details about the impact of this change (bsc#1120095)

Patch Instructions:

To install this SUSE update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Alternatively you can run the command listed for your product:

  • SUSE Linux Enterprise Desktop 12 SP3
    zypper in -t patch SUSE-SLE-DESKTOP-12-SP3-2019-1247=1
  • SUSE Linux Enterprise Software Development Kit 12 SP3
    zypper in -t patch SUSE-SLE-SDK-12-SP3-2019-1247=1
  • SUSE Linux Enterprise Server for SAP Applications 12 SP3
    zypper in -t patch SUSE-SLE-SERVER-12-SP3-2019-1247=1
  • SUSE Linux Enterprise Server 12 SP3
    zypper in -t patch SUSE-SLE-SERVER-12-SP3-2019-1247=1
  • SUSE Linux Enterprise High Performance Computing 12 SP3
    zypper in -t patch SUSE-SLE-SERVER-12-SP3-2019-1247=1
  • SUSE CaaS Platform 3.0
    To install this update, use the SUSE CaaS Platform 'skuba' tool. It will inform you if it detects new updates and let you then trigger updating of the complete cluster in a controlled way.
  • SUSE Container as a Service Platform 2.0
    To install this update, use the SUSE CaaS Platform 'skuba' tool. It will inform you if it detects new updates and let you then trigger updating of the complete cluster in a controlled way.
  • SUSE Container as a Service Platform 1.0
    To install this update, use the SUSE CaaS Platform 'skuba' tool. It will inform you if it detects new updates and let you then trigger updating of the complete cluster in a controlled way.

Package List:

  • SUSE Linux Enterprise Desktop 12 SP3 (x86_64)
    • xen-libs-debuginfo-32bit-4.9.4_04-3.53.1
    • xen-debugsource-4.9.4_04-3.53.1
    • xen-4.9.4_04-3.53.1
    • xen-libs-debuginfo-4.9.4_04-3.53.1
    • xen-libs-4.9.4_04-3.53.1
    • xen-libs-32bit-4.9.4_04-3.53.1
  • SUSE Linux Enterprise Software Development Kit 12 SP3 (aarch64 x86_64)
    • xen-devel-4.9.4_04-3.53.1
    • xen-debugsource-4.9.4_04-3.53.1
  • SUSE Linux Enterprise Server for SAP Applications 12 SP3 (x86_64)
    • xen-tools-4.9.4_04-3.53.1
    • xen-libs-debuginfo-32bit-4.9.4_04-3.53.1
    • xen-tools-domU-debuginfo-4.9.4_04-3.53.1
    • xen-debugsource-4.9.4_04-3.53.1
    • xen-tools-debuginfo-4.9.4_04-3.53.1
    • xen-4.9.4_04-3.53.1
    • xen-doc-html-4.9.4_04-3.53.1
    • xen-libs-debuginfo-4.9.4_04-3.53.1
    • xen-libs-4.9.4_04-3.53.1
    • xen-libs-32bit-4.9.4_04-3.53.1
    • xen-tools-domU-4.9.4_04-3.53.1
  • SUSE Linux Enterprise Server 12 SP3 (x86_64)
    • xen-tools-4.9.4_04-3.53.1
    • xen-libs-debuginfo-32bit-4.9.4_04-3.53.1
    • xen-tools-domU-debuginfo-4.9.4_04-3.53.1
    • xen-debugsource-4.9.4_04-3.53.1
    • xen-tools-debuginfo-4.9.4_04-3.53.1
    • xen-4.9.4_04-3.53.1
    • xen-doc-html-4.9.4_04-3.53.1
    • xen-libs-debuginfo-4.9.4_04-3.53.1
    • xen-libs-4.9.4_04-3.53.1
    • xen-libs-32bit-4.9.4_04-3.53.1
    • xen-tools-domU-4.9.4_04-3.53.1
  • SUSE Linux Enterprise High Performance Computing 12 SP3 (x86_64)
    • xen-tools-4.9.4_04-3.53.1
    • xen-libs-debuginfo-32bit-4.9.4_04-3.53.1
    • xen-tools-domU-debuginfo-4.9.4_04-3.53.1
    • xen-debugsource-4.9.4_04-3.53.1
    • xen-tools-debuginfo-4.9.4_04-3.53.1
    • xen-4.9.4_04-3.53.1
    • xen-doc-html-4.9.4_04-3.53.1
    • xen-libs-debuginfo-4.9.4_04-3.53.1
    • xen-libs-4.9.4_04-3.53.1
    • xen-libs-32bit-4.9.4_04-3.53.1
    • xen-tools-domU-4.9.4_04-3.53.1
  • SUSE CaaS Platform 3.0 (x86_64)
    • xen-tools-domU-4.9.4_04-3.53.1
    • xen-debugsource-4.9.4_04-3.53.1
    • xen-libs-debuginfo-4.9.4_04-3.53.1
    • xen-libs-4.9.4_04-3.53.1
    • xen-tools-domU-debuginfo-4.9.4_04-3.53.1
  • SUSE Container as a Service Platform 2.0 (x86_64)
    • xen-tools-domU-4.9.4_04-3.53.1
    • xen-debugsource-4.9.4_04-3.53.1
    • xen-libs-debuginfo-4.9.4_04-3.53.1
    • xen-libs-4.9.4_04-3.53.1
    • xen-tools-domU-debuginfo-4.9.4_04-3.53.1
  • SUSE Container as a Service Platform 1.0 (x86_64)
    • xen-tools-domU-4.9.4_04-3.53.1
    • xen-debugsource-4.9.4_04-3.53.1
    • xen-libs-debuginfo-4.9.4_04-3.53.1
    • xen-libs-4.9.4_04-3.53.1
    • xen-tools-domU-debuginfo-4.9.4_04-3.53.1

References: