Security update for xen

Announcement ID: SUSE-SU-2018:2401-1
Rating: important
References:
Cross-References:
CVSS scores:
  • CVE-2018-3646 ( SUSE ): 5.6 CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N
  • CVE-2018-3646 ( 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 one vulnerability and has two security fixes can now be installed.

Description:

This update for xen fixes the following security issues:

  • CVE-2018-3646: Systems with microprocessors utilizing speculative execution and address translations may have allowed unauthorized disclosure of information residing in the L1 data cache to an attacker with local user access with guest OS privilege via a terminal page fault and a side-channel analysis (bsc#1091107, bsc#1027519).
  • Incorrect MSR_DEBUGCTL handling let guests enable BTS allowing a malicious or buggy guest administrator can lock up the entire host (bsc#1103276)

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-SP3-2018-1656=1
  • SUSE Linux Enterprise Software Development Kit 12 SP3
    zypper in -t patch SUSE-SLE-SDK-12-SP3-2018-1656=1
  • SUSE Linux Enterprise Server for SAP Applications 12 SP3
    zypper in -t patch SUSE-SLE-SERVER-12-SP3-2018-1656=1
  • SUSE Linux Enterprise Server 12 SP3
    zypper in -t patch SUSE-SLE-SERVER-12-SP3-2018-1656=1
  • SUSE Linux Enterprise High Performance Computing 12 SP3
    zypper in -t patch SUSE-SLE-SERVER-12-SP3-2018-1656=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-4.9.2_10-3.41.1
    • xen-libs-debuginfo-4.9.2_10-3.41.1
    • xen-libs-debuginfo-32bit-4.9.2_10-3.41.1
    • xen-libs-32bit-4.9.2_10-3.41.1
    • xen-debugsource-4.9.2_10-3.41.1
    • xen-libs-4.9.2_10-3.41.1
  • SUSE Linux Enterprise Software Development Kit 12 SP3 (aarch64 x86_64)
    • xen-debugsource-4.9.2_10-3.41.1
    • xen-devel-4.9.2_10-3.41.1
  • SUSE Linux Enterprise Server for SAP Applications 12 SP3 (x86_64)
    • xen-doc-html-4.9.2_10-3.41.1
    • xen-4.9.2_10-3.41.1
    • xen-libs-debuginfo-4.9.2_10-3.41.1
    • xen-libs-debuginfo-32bit-4.9.2_10-3.41.1
    • xen-tools-domU-debuginfo-4.9.2_10-3.41.1
    • xen-tools-domU-4.9.2_10-3.41.1
    • xen-libs-32bit-4.9.2_10-3.41.1
    • xen-tools-4.9.2_10-3.41.1
    • xen-tools-debuginfo-4.9.2_10-3.41.1
    • xen-debugsource-4.9.2_10-3.41.1
    • xen-libs-4.9.2_10-3.41.1
  • SUSE Linux Enterprise Server 12 SP3 (x86_64)
    • xen-doc-html-4.9.2_10-3.41.1
    • xen-4.9.2_10-3.41.1
    • xen-libs-debuginfo-4.9.2_10-3.41.1
    • xen-libs-debuginfo-32bit-4.9.2_10-3.41.1
    • xen-tools-domU-debuginfo-4.9.2_10-3.41.1
    • xen-tools-domU-4.9.2_10-3.41.1
    • xen-libs-32bit-4.9.2_10-3.41.1
    • xen-tools-4.9.2_10-3.41.1
    • xen-tools-debuginfo-4.9.2_10-3.41.1
    • xen-debugsource-4.9.2_10-3.41.1
    • xen-libs-4.9.2_10-3.41.1
  • SUSE Linux Enterprise High Performance Computing 12 SP3 (x86_64)
    • xen-doc-html-4.9.2_10-3.41.1
    • xen-4.9.2_10-3.41.1
    • xen-libs-debuginfo-4.9.2_10-3.41.1
    • xen-libs-debuginfo-32bit-4.9.2_10-3.41.1
    • xen-tools-domU-debuginfo-4.9.2_10-3.41.1
    • xen-tools-domU-4.9.2_10-3.41.1
    • xen-libs-32bit-4.9.2_10-3.41.1
    • xen-tools-4.9.2_10-3.41.1
    • xen-tools-debuginfo-4.9.2_10-3.41.1
    • xen-debugsource-4.9.2_10-3.41.1
    • xen-libs-4.9.2_10-3.41.1
  • SUSE CaaS Platform 3.0 (x86_64)
    • xen-libs-debuginfo-4.9.2_10-3.41.1
    • xen-tools-domU-debuginfo-4.9.2_10-3.41.1
    • xen-tools-domU-4.9.2_10-3.41.1
    • xen-debugsource-4.9.2_10-3.41.1
    • xen-libs-4.9.2_10-3.41.1
  • SUSE Container as a Service Platform 2.0 (x86_64)
    • xen-libs-debuginfo-4.9.2_10-3.41.1
    • xen-tools-domU-debuginfo-4.9.2_10-3.41.1
    • xen-tools-domU-4.9.2_10-3.41.1
    • xen-debugsource-4.9.2_10-3.41.1
    • xen-libs-4.9.2_10-3.41.1
  • SUSE Container as a Service Platform 1.0 (x86_64)
    • xen-libs-debuginfo-4.9.2_10-3.41.1
    • xen-tools-domU-debuginfo-4.9.2_10-3.41.1
    • xen-tools-domU-4.9.2_10-3.41.1
    • xen-debugsource-4.9.2_10-3.41.1
    • xen-libs-4.9.2_10-3.41.1

References: