SUSE Security Update: Security update for xen
______________________________________________________________________________

Announcement ID:    SUSE-SU-2020:14448-1
Rating:             important
References:         #1154456 #1154458 #1161181 #1163019 #1168140 
                    #1169392 #1174543 
Cross-References:   CVE-2019-18421 CVE-2019-18425 CVE-2020-11740
                    CVE-2020-11741 CVE-2020-11742 CVE-2020-7211
                    CVE-2020-8608
Affected Products:
                    SUSE Linux Enterprise Point of Sale 11-SP3
                    SUSE Linux Enterprise Debuginfo 11-SP3
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   An update that fixes 7 vulnerabilities is now available.

Description:

   This update for xen fixes the following issues:

   - bsc#1174543 - secure boot related fixes
   - bsc#1163019 - CVE-2020-8608: potential OOB access due to unsafe
     snprintf() usages
   - bsc#1169392 - CVE-2020-11742: Bad continuation handling in GNTTABOP_copy
   - bsc#1168140 - CVE-2020-11740, CVE-2020-11741: multiple xenoprof issues
   - bsc#1161181 - CVE-2020-7211: potential directory traversal using
     relative paths via tftp server on Windows host
   - bsc#1154456 - CVE-2019-18425: missing descriptor table limit checking in
     x86 PV emulation
   - bsc#1154458 - CVE-2019-18421: Issues with restartable PV type change
     operations


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 Point of Sale 11-SP3:

      zypper in -t patch sleposp3-xen-14448=1

   - SUSE Linux Enterprise Debuginfo 11-SP3:

      zypper in -t patch dbgsp3-xen-14448=1



Package List:

   - SUSE Linux Enterprise Point of Sale 11-SP3 (i586):

      xen-kmp-default-4.2.5_22_3.0.101_0.47.106.59-45.36.1
      xen-kmp-pae-4.2.5_22_3.0.101_0.47.106.59-45.36.1
      xen-libs-4.2.5_22-45.36.1
      xen-tools-domU-4.2.5_22-45.36.1

   - SUSE Linux Enterprise Debuginfo 11-SP3 (i586 x86_64):

      xen-debuginfo-4.2.5_22-45.36.1
      xen-debugsource-4.2.5_22-45.36.1


References:

   https://www.suse.com/security/cve/CVE-2019-18421.html
   https://www.suse.com/security/cve/CVE-2019-18425.html
   https://www.suse.com/security/cve/CVE-2020-11740.html
   https://www.suse.com/security/cve/CVE-2020-11741.html
   https://www.suse.com/security/cve/CVE-2020-11742.html
   https://www.suse.com/security/cve/CVE-2020-7211.html
   https://www.suse.com/security/cve/CVE-2020-8608.html
   https://bugzilla.suse.com/1154456
   https://bugzilla.suse.com/1154458
   https://bugzilla.suse.com/1161181
   https://bugzilla.suse.com/1163019
   https://bugzilla.suse.com/1168140
   https://bugzilla.suse.com/1169392
   https://bugzilla.suse.com/1174543

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