Security update for xen

Announcement ID: SUSE-SU-2020:1633-1
Rating: important
References:
Cross-References:
CVSS scores:
  • CVE-2020-0543 ( SUSE ): 6.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
  • CVE-2020-0543 ( NVD ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Affected Products:
  • SUSE Linux Enterprise High Performance Computing 12 SP5
  • SUSE Linux Enterprise Server 12 SP5
  • SUSE Linux Enterprise Server for SAP Applications 12 SP5
  • SUSE Linux Enterprise Software Development Kit 12 SP5

An update that solves one vulnerability and has two security fixes can now be installed.

Description:

This update for xen fixes the following issues:

  • CVE-2020-0543: Fixed a side channel attack against special registers which could have resulted in leaking of read values to cores other than the one which called it. This attack is known as Special Register Buffer Data Sampling (SRBDS) or "CrossTalk" (bsc#1172205).
  • Fixed an issue with efi boot when nvidia optimus or newer graphic cards are used (bsc#1168178).d

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 Software Development Kit 12 SP5
    zypper in -t patch SUSE-SLE-SDK-12-SP5-2020-1633=1
  • SUSE Linux Enterprise Server for SAP Applications 12 SP5
    zypper in -t patch SUSE-SLE-SERVER-12-SP5-2020-1633=1
  • SUSE Linux Enterprise High Performance Computing 12 SP5
    zypper in -t patch SUSE-SLE-SERVER-12-SP5-2020-1633=1
  • SUSE Linux Enterprise Server 12 SP5
    zypper in -t patch SUSE-SLE-SERVER-12-SP5-2020-1633=1

Package List:

  • SUSE Linux Enterprise Software Development Kit 12 SP5 (aarch64 x86_64)
    • xen-devel-4.12.3_02-3.14.1
    • xen-debugsource-4.12.3_02-3.14.1
  • SUSE Linux Enterprise Server for SAP Applications 12 SP5 (x86_64)
    • xen-4.12.3_02-3.14.1
    • xen-libs-debuginfo-32bit-4.12.3_02-3.14.1
    • xen-libs-4.12.3_02-3.14.1
    • xen-doc-html-4.12.3_02-3.14.1
    • xen-tools-domU-4.12.3_02-3.14.1
    • xen-debugsource-4.12.3_02-3.14.1
    • xen-tools-4.12.3_02-3.14.1
    • xen-tools-debuginfo-4.12.3_02-3.14.1
    • xen-tools-domU-debuginfo-4.12.3_02-3.14.1
    • xen-libs-32bit-4.12.3_02-3.14.1
    • xen-libs-debuginfo-4.12.3_02-3.14.1
  • SUSE Linux Enterprise High Performance Computing 12 SP5 (x86_64)
    • xen-4.12.3_02-3.14.1
    • xen-libs-debuginfo-32bit-4.12.3_02-3.14.1
    • xen-libs-4.12.3_02-3.14.1
    • xen-doc-html-4.12.3_02-3.14.1
    • xen-tools-domU-4.12.3_02-3.14.1
    • xen-debugsource-4.12.3_02-3.14.1
    • xen-tools-4.12.3_02-3.14.1
    • xen-tools-debuginfo-4.12.3_02-3.14.1
    • xen-tools-domU-debuginfo-4.12.3_02-3.14.1
    • xen-libs-32bit-4.12.3_02-3.14.1
    • xen-libs-debuginfo-4.12.3_02-3.14.1
  • SUSE Linux Enterprise Server 12 SP5 (x86_64)
    • xen-4.12.3_02-3.14.1
    • xen-libs-debuginfo-32bit-4.12.3_02-3.14.1
    • xen-libs-4.12.3_02-3.14.1
    • xen-doc-html-4.12.3_02-3.14.1
    • xen-tools-domU-4.12.3_02-3.14.1
    • xen-debugsource-4.12.3_02-3.14.1
    • xen-tools-4.12.3_02-3.14.1
    • xen-tools-debuginfo-4.12.3_02-3.14.1
    • xen-tools-domU-debuginfo-4.12.3_02-3.14.1
    • xen-libs-32bit-4.12.3_02-3.14.1
    • xen-libs-debuginfo-4.12.3_02-3.14.1

References: