SUSE Security Update: Security update for xen
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Announcement ID:    SUSE-SU-2020:14557-1
Rating:             important
References:         #1177409 #1177412 #1177413 #1177414 #1178591 
                    #1178935 #1178963 
Cross-References:   CVE-2020-25723 CVE-2020-27670 CVE-2020-27671
                    CVE-2020-27672 CVE-2020-27674 CVE-2020-28368
                   
Affected Products:
                    SUSE Linux Enterprise Server 11-SP4-LTSS
                    SUSE Linux Enterprise Debuginfo 11-SP4
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   An update that solves 6 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#1178935 - CVE-2020-25723: assertion failure through
     usb_packet_unmap() in hw/usb/hcd-ehci.c
   - 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 Linux Enterprise Server 11-SP4-LTSS:

      zypper in -t patch slessp4-xen-14557=1

   - SUSE Linux Enterprise Debuginfo 11-SP4:

      zypper in -t patch dbgsp4-xen-14557=1



Package List:

   - SUSE Linux Enterprise Server 11-SP4-LTSS (i586 x86_64):

      xen-kmp-default-4.4.4_46_3.0.101_108.117-61.58.1
      xen-libs-4.4.4_46-61.58.1
      xen-tools-domU-4.4.4_46-61.58.1

   - SUSE Linux Enterprise Server 11-SP4-LTSS (x86_64):

      xen-4.4.4_46-61.58.1
      xen-doc-html-4.4.4_46-61.58.1
      xen-libs-32bit-4.4.4_46-61.58.1
      xen-tools-4.4.4_46-61.58.1

   - SUSE Linux Enterprise Server 11-SP4-LTSS (i586):

      xen-kmp-pae-4.4.4_46_3.0.101_108.117-61.58.1

   - SUSE Linux Enterprise Debuginfo 11-SP4 (i586 x86_64):

      xen-debuginfo-4.4.4_46-61.58.1
      xen-debugsource-4.4.4_46-61.58.1


References:

   https://www.suse.com/security/cve/CVE-2020-25723.html
   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/1178935
   https://bugzilla.suse.com/1178963