SUSE-SU-2020:3742-1: important: Security update for xen

[sle-security-updates at lists.suse.com]

   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:

   https://www.suse.com/security/cve/CVE-2020-27670.html
   https://www.suse.com/security/cve/CVE-2020-27671.html
   https://www.suse.com/security/cve/CVE-2020-27672.html
   https://www.suse.com/security/cve/CVE-2020-27674.html
   https://www.suse.com/security/cve/CVE-2020-28368.html
   https://bugzilla.suse.com/1177409
   https://bugzilla.suse.com/1177412
   https://bugzilla.suse.com/1177413
   https://bugzilla.suse.com/1177414
   https://bugzilla.suse.com/1178591
   https://bugzilla.suse.com/1178963