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             AUSCERT External Security Bulletin Redistribution

                               ESB-2019.3968
               SUSE-SU-2019:14201-1 Security update for xen
                              28 October 2019

===========================================================================

        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           xen
Publisher:         SUSE
Operating System:  SUSE
Impact/Access:     Execute Arbitrary Code/Commands -- Existing Account      
                   Access Privileged Data          -- Existing Account      
                   Denial of Service               -- Remote/Unauthenticated
Resolution:        Patch/Upgrade
CVE Names:         CVE-2019-17344 CVE-2019-17343 CVE-2019-17342
                   CVE-2019-17341 CVE-2019-17340 CVE-2019-15890
                   CVE-2019-14378 CVE-2019-12155 CVE-2019-12068
                   CVE-2019-12067 CVE-2018-20815 CVE-2017-10806

Reference:         ESB-2019.3927
                   ESB-2019.3578
                   ESB-2019.3474
                   ESB-2019.3405
                   ESB-2019.3944.2

Original Bulletin: 
   https://www.suse.com/support/update/announcement/2019/suse-su-201914201-1.html

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SUSE Security Update: Security update for xen

______________________________________________________________________________

Announcement ID:   SUSE-SU-2019:14201-1
Rating:            important
References:        #1047675 #1126140 #1126141 #1126192 #1126195 #1126196
                   #1130680 #1135905 #1143797 #1145652 #1146874 #1149813
Cross-References:  CVE-2017-10806 CVE-2018-20815 CVE-2019-12067 CVE-2019-12068
                   CVE-2019-12155 CVE-2019-14378 CVE-2019-15890 CVE-2019-17340
                   CVE-2019-17341 CVE-2019-17342 CVE-2019-17343 CVE-2019-17344
Affected Products:
                   SUSE Linux Enterprise Point of Sale 11-SP3
                   SUSE Linux Enterprise Debuginfo 11-SP3
______________________________________________________________________________

An update that fixes 12 vulnerabilities is now available.

Description:

This update for xen fixes the following issues:

  o CVE-2019-15890: Fixed a use-after-free in SLiRP networking implementation
    of QEMU emulator which could have led to Denial of Service (bsc#1149813).
  o CVE-2019-12068: Fixed an issue in lsi which could lead to an infinite loop
    and denial of service (bsc#1146874).
  o CVE-2019-14378: Fixed a heap buffer overflow in SLiRp networking
    implementation of QEMU emulator which could have led to execution of
    arbitrary code with privileges of the QEMU process (bsc#1143797).
  o CVE-2019-12067: Fixed a null pointer dereference which could have led to
    denial of service (bsc#1145652).
  o CVE-2019-12155: Fixed a null pointer dereference in QXL VGA card emulator
    of QEMU which could have led to denial of service (bsc#1135905).
  o CVE-2018-20815: Fixed a heap buffer overflow while loading device tree blob
    (bsc#1130680).
  o CVE-2017-10806: Fixed a stack buffer overflow in debug logging (bsc#
    1047675).

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:

  o SUSE Linux Enterprise Point of Sale 11-SP3:
    zypper in -t patch sleposp3-xen-14201=1
  o SUSE Linux Enterprise Debuginfo 11-SP3:
    zypper in -t patch dbgsp3-xen-14201=1

Package List:

  o SUSE Linux Enterprise Point of Sale 11-SP3 (i586):
       xen-kmp-default-4.2.5_21_3.0.101_0.47.106.59-45.33.1
       xen-kmp-pae-4.2.5_21_3.0.101_0.47.106.59-45.33.1
       xen-libs-4.2.5_21-45.33.1
       xen-tools-domU-4.2.5_21-45.33.1
  o SUSE Linux Enterprise Debuginfo 11-SP3 (i586 x86_64):
       xen-debuginfo-4.2.5_21-45.33.1
       xen-debugsource-4.2.5_21-45.33.1


References:

  o https://www.suse.com/security/cve/CVE-2017-10806.html
  o https://www.suse.com/security/cve/CVE-2018-20815.html
  o https://www.suse.com/security/cve/CVE-2019-12067.html
  o https://www.suse.com/security/cve/CVE-2019-12068.html
  o https://www.suse.com/security/cve/CVE-2019-12155.html
  o https://www.suse.com/security/cve/CVE-2019-14378.html
  o https://www.suse.com/security/cve/CVE-2019-15890.html
  o https://www.suse.com/security/cve/CVE-2019-17340.html
  o https://www.suse.com/security/cve/CVE-2019-17341.html
  o https://www.suse.com/security/cve/CVE-2019-17342.html
  o https://www.suse.com/security/cve/CVE-2019-17343.html
  o https://www.suse.com/security/cve/CVE-2019-17344.html
  o https://bugzilla.suse.com/1047675
  o https://bugzilla.suse.com/1126140
  o https://bugzilla.suse.com/1126141
  o https://bugzilla.suse.com/1126192
  o https://bugzilla.suse.com/1126195
  o https://bugzilla.suse.com/1126196
  o https://bugzilla.suse.com/1130680
  o https://bugzilla.suse.com/1135905
  o https://bugzilla.suse.com/1143797
  o https://bugzilla.suse.com/1145652
  o https://bugzilla.suse.com/1146874
  o https://bugzilla.suse.com/1149813

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