Security update for xen

SUSE Security Update: Security update for xen
Announcement ID: SUSE-SU-2018:4070-1
Rating: important
References: #1027519 #1108940 #1114405 #1114423 #1115040 #1115045 #1115047
Cross-References: CVE-2018-18849 CVE-2018-18883 CVE-2018-19961 CVE-2018-19962 CVE-2018-19965 CVE-2018-19966
Affected Products:
  • SUSE Linux Enterprise Software Development Kit 12-SP3
  • SUSE Linux Enterprise Server 12-SP3
  • SUSE Linux Enterprise Desktop 12-SP3
  • SUSE CaaS Platform ALL
  • SUSE CaaS Platform 3.0

An update that solves 6 vulnerabilities and has one errata is now available.

Description:

This update for xen fixes the following issues:
Security issues fixed:

  • CVE-2018-18849: Fixed an out of bounds memory access issue was found in the LSI53C895A SCSI Host Bus Adapter emulation while writing a message in lsi_do_msgin (bsc#1114423).
  • CVE-2018-18883: Fixed a NULL pointer dereference that could have been triggered by nested VT-x that where not properly restricted (XSA-278)(bsc#1114405).
  • CVE-2018-19965: Fixed denial of service issue from attempting to use INVPCID with a non-canonical addresses (XSA-279)(bsc#1115045).
  • CVE-2018-19966: Fixed issue introduced by XSA-240 that could have caused conflicts with shadow paging (XSA-280)(bsc#1115047).
  • CVE-2018-19961 CVE-2018-19962: Fixed insufficient TLB flushing / improper large page mappings with AMD IOMMUs (XSA-275)(bsc#1115040).

Non-security issues fixed:
  • Added upstream bug fixes (bsc#1027519).
  • Fixed XEN SLE12-SP1 domU hang on SLE12-SP3 HV (bsc#1108940).

Patch Instructions:

To install this SUSE Security 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 Software Development Kit 12-SP3:
    zypper in -t patch SUSE-SLE-SDK-12-SP3-2018-2896=1
  • SUSE Linux Enterprise Server 12-SP3:
    zypper in -t patch SUSE-SLE-SERVER-12-SP3-2018-2896=1
  • SUSE Linux Enterprise Desktop 12-SP3:
    zypper in -t patch SUSE-SLE-DESKTOP-12-SP3-2018-2896=1
  • SUSE CaaS Platform ALL:
    To install this update, use the SUSE CaaS Platform Velum dashboard. It will inform you if it detects new updates and let you then trigger updating of the complete cluster in a controlled way.
  • SUSE CaaS Platform 3.0:
    To install this update, use the SUSE CaaS Platform Velum dashboard. 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 Software Development Kit 12-SP3 (aarch64 x86_64):
    • xen-debugsource-4.9.3_03-3.47.1
    • xen-devel-4.9.3_03-3.47.1
  • SUSE Linux Enterprise Server 12-SP3 (x86_64):
    • xen-4.9.3_03-3.47.1
    • xen-debugsource-4.9.3_03-3.47.1
    • xen-doc-html-4.9.3_03-3.47.1
    • xen-libs-32bit-4.9.3_03-3.47.1
    • xen-libs-4.9.3_03-3.47.1
    • xen-libs-debuginfo-32bit-4.9.3_03-3.47.1
    • xen-libs-debuginfo-4.9.3_03-3.47.1
    • xen-tools-4.9.3_03-3.47.1
    • xen-tools-debuginfo-4.9.3_03-3.47.1
    • xen-tools-domU-4.9.3_03-3.47.1
    • xen-tools-domU-debuginfo-4.9.3_03-3.47.1
  • SUSE Linux Enterprise Desktop 12-SP3 (x86_64):
    • xen-4.9.3_03-3.47.1
    • xen-debugsource-4.9.3_03-3.47.1
    • xen-libs-32bit-4.9.3_03-3.47.1
    • xen-libs-4.9.3_03-3.47.1
    • xen-libs-debuginfo-32bit-4.9.3_03-3.47.1
    • xen-libs-debuginfo-4.9.3_03-3.47.1
  • SUSE CaaS Platform ALL (x86_64):
    • xen-debugsource-4.9.3_03-3.47.1
    • xen-libs-4.9.3_03-3.47.1
    • xen-libs-debuginfo-4.9.3_03-3.47.1
    • xen-tools-domU-4.9.3_03-3.47.1
    • xen-tools-domU-debuginfo-4.9.3_03-3.47.1
  • SUSE CaaS Platform 3.0 (x86_64):
    • xen-debugsource-4.9.3_03-3.47.1
    • xen-libs-4.9.3_03-3.47.1
    • xen-libs-debuginfo-4.9.3_03-3.47.1
    • xen-tools-domU-4.9.3_03-3.47.1
    • xen-tools-domU-debuginfo-4.9.3_03-3.47.1

References: