SUSE Security Update: Security update for xen
______________________________________________________________________________

Announcement ID:    SUSE-SU-2018:2483-1
Rating:             important
References:         #1027519 #1091107 #1101684 #1102116 
Cross-References:   CVE-2018-3646
Affected Products:
                    SUSE Linux Enterprise Server 12-LTSS
______________________________________________________________________________

   An update that solves one vulnerability and has three fixes
   is now available.

Description:

   This update for xen fixes the following issues:

   This security issue was fixed:

   - CVE-2018-3646: Systems with microprocessors utilizing speculative
     execution and address translations may have allowed unauthorized
     disclosure of information residing in the L1 data cache to an attacker
     with local user access with guest OS privilege via a terminal page fault
     and a side-channel analysis (bsc#1091107, bsc#1027519).

   These non-security issue were fixed:

   - bsc#1102116: SSBD is not virtualized for guests
   - bsc#1101684: Not able to disable the visibility of the new CPU flags


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 12-LTSS:

      zypper in -t patch SUSE-SLE-SERVER-12-2018-1746=1



Package List:

   - SUSE Linux Enterprise Server 12-LTSS (x86_64):

      xen-4.4.4_36-22.74.1
      xen-debugsource-4.4.4_36-22.74.1
      xen-doc-html-4.4.4_36-22.74.1
      xen-kmp-default-4.4.4_36_k3.12.61_52.141-22.74.1
      xen-kmp-default-debuginfo-4.4.4_36_k3.12.61_52.141-22.74.1
      xen-libs-32bit-4.4.4_36-22.74.1
      xen-libs-4.4.4_36-22.74.1
      xen-libs-debuginfo-32bit-4.4.4_36-22.74.1
      xen-libs-debuginfo-4.4.4_36-22.74.1
      xen-tools-4.4.4_36-22.74.1
      xen-tools-debuginfo-4.4.4_36-22.74.1
      xen-tools-domU-4.4.4_36-22.74.1
      xen-tools-domU-debuginfo-4.4.4_36-22.74.1


References:

   https://www.suse.com/security/cve/CVE-2018-3646.html
   https://bugzilla.suse.com/1027519
   https://bugzilla.suse.com/1091107
   https://bugzilla.suse.com/1101684
   https://bugzilla.suse.com/1102116

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