Security update for xen

SUSE Security Update: Security update for xen
Announcement ID: SUSE-SU-2020:3742-1
Rating: important
References: #1177409 #1177412 #1177413 #1177414 #1178591 #1178963
Cross-References:CVE-2020-27670 CVE-2020-27671 CVE-2020-27672 CVE-2020-27674 CVE-2020-28368
Affected Products:
  • SUSE OpenStack Cloud 7
  • SUSE Linux Enterprise Server for SAP 12-SP2
  • SUSE Linux Enterprise Server 12-SP2-LTSS
  • SUSE Linux Enterprise Server 12-SP2-BCL

An update that solves 5 vulnerabilities and has one errata is now available.

Description:

This update for xen fixes the following issues:

  • bsc#1178963 - stack corruption from XSA-346 change (XSA-355)
  • bsc#1177409 - CVE-2020-27674: x86 PV guest INVLPG-like flushes may leave stale TLB entries (XSA-286)
  • bsc#1177412 - CVE-2020-27672: Race condition in Xen mapping code (XSA-345)
  • bsc#1177413 - CVE-2020-27671: undue deferral of IOMMU TLB flushes (XSA-346)
  • bsc#1177414 - CVE-2020-27670: unsafe AMD IOMMU page table updates (XSA-347)
  • bsc#1178591 - CVE-2020-28368: Intel RAPL sidechannel attack aka PLATYPUS attack aka XSA-351

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 OpenStack Cloud 7:
    zypper in -t patch SUSE-OpenStack-Cloud-7-2020-3742=1
  • SUSE Linux Enterprise Server for SAP 12-SP2:
    zypper in -t patch SUSE-SLE-SAP-12-SP2-2020-3742=1
  • SUSE Linux Enterprise Server 12-SP2-LTSS:
    zypper in -t patch SUSE-SLE-SERVER-12-SP2-2020-3742=1
  • SUSE Linux Enterprise Server 12-SP2-BCL:
    zypper in -t patch SUSE-SLE-SERVER-12-SP2-BCL-2020-3742=1

Package List:

  • SUSE OpenStack Cloud 7 (x86_64):
    • xen-4.7.6_12-43.70.1
    • xen-debugsource-4.7.6_12-43.70.1
    • xen-doc-html-4.7.6_12-43.70.1
    • xen-libs-32bit-4.7.6_12-43.70.1
    • xen-libs-4.7.6_12-43.70.1
    • xen-libs-debuginfo-32bit-4.7.6_12-43.70.1
    • xen-libs-debuginfo-4.7.6_12-43.70.1
    • xen-tools-4.7.6_12-43.70.1
    • xen-tools-debuginfo-4.7.6_12-43.70.1
    • xen-tools-domU-4.7.6_12-43.70.1
    • xen-tools-domU-debuginfo-4.7.6_12-43.70.1
  • SUSE Linux Enterprise Server for SAP 12-SP2 (x86_64):
    • xen-4.7.6_12-43.70.1
    • xen-debugsource-4.7.6_12-43.70.1
    • xen-doc-html-4.7.6_12-43.70.1
    • xen-libs-32bit-4.7.6_12-43.70.1
    • xen-libs-4.7.6_12-43.70.1
    • xen-libs-debuginfo-32bit-4.7.6_12-43.70.1
    • xen-libs-debuginfo-4.7.6_12-43.70.1
    • xen-tools-4.7.6_12-43.70.1
    • xen-tools-debuginfo-4.7.6_12-43.70.1
    • xen-tools-domU-4.7.6_12-43.70.1
    • xen-tools-domU-debuginfo-4.7.6_12-43.70.1
  • SUSE Linux Enterprise Server 12-SP2-LTSS (x86_64):
    • xen-4.7.6_12-43.70.1
    • xen-debugsource-4.7.6_12-43.70.1
    • xen-doc-html-4.7.6_12-43.70.1
    • xen-libs-32bit-4.7.6_12-43.70.1
    • xen-libs-4.7.6_12-43.70.1
    • xen-libs-debuginfo-32bit-4.7.6_12-43.70.1
    • xen-libs-debuginfo-4.7.6_12-43.70.1
    • xen-tools-4.7.6_12-43.70.1
    • xen-tools-debuginfo-4.7.6_12-43.70.1
    • xen-tools-domU-4.7.6_12-43.70.1
    • xen-tools-domU-debuginfo-4.7.6_12-43.70.1
  • SUSE Linux Enterprise Server 12-SP2-BCL (x86_64):
    • xen-4.7.6_12-43.70.1
    • xen-debugsource-4.7.6_12-43.70.1
    • xen-doc-html-4.7.6_12-43.70.1
    • xen-libs-32bit-4.7.6_12-43.70.1
    • xen-libs-4.7.6_12-43.70.1
    • xen-libs-debuginfo-32bit-4.7.6_12-43.70.1
    • xen-libs-debuginfo-4.7.6_12-43.70.1
    • xen-tools-4.7.6_12-43.70.1
    • xen-tools-debuginfo-4.7.6_12-43.70.1
    • xen-tools-domU-4.7.6_12-43.70.1
    • xen-tools-domU-debuginfo-4.7.6_12-43.70.1

References: