Security update for xen

Announcement ID: SUSE-SU-2020:3052-1
Rating: important
References:
Cross-References:
CVSS scores:
  • CVE-2020-27670 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
  • CVE-2020-27670 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
  • CVE-2020-27671 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
  • CVE-2020-27671 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
  • CVE-2020-27672 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
  • CVE-2020-27672 ( NVD ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
  • CVE-2020-27673 ( SUSE ): 6.2 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  • CVE-2020-27673 ( NVD ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Affected Products:
  • SUSE Linux Enterprise High Performance Computing 15
  • SUSE Linux Enterprise High Performance Computing 15 LTSS 15
  • SUSE Linux Enterprise Server 15
  • SUSE Linux Enterprise Server 15 LTSS 15
  • SUSE Linux Enterprise Server ESPOS 15
  • SUSE Linux Enterprise Server for SAP Applications 15

An update that solves four vulnerabilities can now be installed.

Description:

This update for xen fixes the following issues:

  • bsc#1177409 - VUL-0: CVE-2020-27673: xen: x86 PV guest INVLPG-like flushes may leave stale TLB entries (XSA-286)
  • bsc#1177412 - VUL-0: CVE-2020-27672: xen: Race condition in Xen mapping code (XSA-345)
  • bsc#1177413 - VUL-0: CVE-2020-27671: xen: undue deferral of IOMMU TLB flushes (XSA-346)
  • bsc#1177414 - VUL-0: CVE-2020-27670: xen: unsafe AMD IOMMU page table updates (XSA-347)

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 Server ESPOS 15
    zypper in -t patch SUSE-SLE-Product-HPC-15-2020-3052=1
  • SUSE Linux Enterprise High Performance Computing 15 LTSS 15
    zypper in -t patch SUSE-SLE-Product-HPC-15-2020-3052=1
  • SUSE Linux Enterprise Server 15 LTSS 15
    zypper in -t patch SUSE-SLE-Product-SLES-15-2020-3052=1
  • SUSE Linux Enterprise Server for SAP Applications 15
    zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-2020-3052=1

Package List:

  • SUSE Linux Enterprise Server ESPOS 15 (x86_64)
    • xen-libs-4.10.4_18-3.44.1
    • xen-4.10.4_18-3.44.1
    • xen-tools-domU-4.10.4_18-3.44.1
    • xen-libs-debuginfo-4.10.4_18-3.44.1
    • xen-devel-4.10.4_18-3.44.1
    • xen-tools-4.10.4_18-3.44.1
    • xen-tools-debuginfo-4.10.4_18-3.44.1
    • xen-debugsource-4.10.4_18-3.44.1
    • xen-tools-domU-debuginfo-4.10.4_18-3.44.1
  • SUSE Linux Enterprise High Performance Computing 15 LTSS 15 (x86_64)
    • xen-libs-4.10.4_18-3.44.1
    • xen-4.10.4_18-3.44.1
    • xen-tools-domU-4.10.4_18-3.44.1
    • xen-libs-debuginfo-4.10.4_18-3.44.1
    • xen-devel-4.10.4_18-3.44.1
    • xen-tools-4.10.4_18-3.44.1
    • xen-tools-debuginfo-4.10.4_18-3.44.1
    • xen-debugsource-4.10.4_18-3.44.1
    • xen-tools-domU-debuginfo-4.10.4_18-3.44.1
  • SUSE Linux Enterprise Server 15 LTSS 15 (x86_64)
    • xen-libs-4.10.4_18-3.44.1
    • xen-4.10.4_18-3.44.1
    • xen-tools-domU-4.10.4_18-3.44.1
    • xen-libs-debuginfo-4.10.4_18-3.44.1
    • xen-devel-4.10.4_18-3.44.1
    • xen-tools-4.10.4_18-3.44.1
    • xen-tools-debuginfo-4.10.4_18-3.44.1
    • xen-debugsource-4.10.4_18-3.44.1
    • xen-tools-domU-debuginfo-4.10.4_18-3.44.1
  • SUSE Linux Enterprise Server for SAP Applications 15 (x86_64)
    • xen-libs-4.10.4_18-3.44.1
    • xen-4.10.4_18-3.44.1
    • xen-tools-domU-4.10.4_18-3.44.1
    • xen-libs-debuginfo-4.10.4_18-3.44.1
    • xen-devel-4.10.4_18-3.44.1
    • xen-tools-4.10.4_18-3.44.1
    • xen-tools-debuginfo-4.10.4_18-3.44.1
    • xen-debugsource-4.10.4_18-3.44.1
    • xen-tools-domU-debuginfo-4.10.4_18-3.44.1

References: