SUSE Security Update: Security update for systemd
______________________________________________________________________________

Announcement ID:    SUSE-SU-2019:0053-1
Rating:             important
References:         #1068588 #1071558 #1113665 #1120323 
Cross-References:   CVE-2018-15686 CVE-2018-16864 CVE-2018-16865
                   
Affected Products:
                    SUSE Linux Enterprise Server 12-LTSS
______________________________________________________________________________

   An update that solves three vulnerabilities and has one
   errata is now available.

Description:

   This update for systemd fixes the following issues:

   * Fix security vulnerabilities CVE-2018-16864 and CVE-2018-16865
     (bsc#1120323): Both issues were memory corruptions via
     attacker-controlled alloca which could have been used to gain root
     privileges by a local attacker.

   * Fix security vulnerability CVE-2018-15686 (bsc#1113665): A vulnerability
     in unit_deserialize of systemd used to allow an attacker to supply
     arbitrary state across systemd re-execution via NotifyAccess. This could
     have been used to improperly influence systemd execution and possibly
     lead to root privilege escalation.

   * Remedy 2048 character line-length limit in systemd-sysctl code that
     would cause parser failures if /etc/sysctl.conf contained lines that
     exceeded this length (bsc#1071558).

   * Fix a bug in systemd's core timer code that would cause timer looping
     under certain conditions, resulting in hundreds of syslog messages being
     written to the journal (bsc#1068588).


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-12-2019-53=1



Package List:

   - SUSE Linux Enterprise Server 12-LTSS (ppc64le s390x x86_64):

      libgudev-1_0-0-210-70.74.1
      libgudev-1_0-0-debuginfo-210-70.74.1
      libgudev-1_0-devel-210-70.74.1
      libudev-devel-210-70.74.1
      libudev1-210-70.74.1
      libudev1-debuginfo-210-70.74.1
      systemd-210-70.74.1
      systemd-debuginfo-210-70.74.1
      systemd-debugsource-210-70.74.1
      systemd-devel-210-70.74.1
      systemd-sysvinit-210-70.74.1
      typelib-1_0-GUdev-1_0-210-70.74.1
      udev-210-70.74.1
      udev-debuginfo-210-70.74.1

   - SUSE Linux Enterprise Server 12-LTSS (s390x x86_64):

      libgudev-1_0-0-32bit-210-70.74.1
      libgudev-1_0-0-debuginfo-32bit-210-70.74.1
      libudev1-32bit-210-70.74.1
      libudev1-debuginfo-32bit-210-70.74.1
      systemd-32bit-210-70.74.1
      systemd-debuginfo-32bit-210-70.74.1

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

      systemd-bash-completion-210-70.74.1


References:

   https://www.suse.com/security/cve/CVE-2018-15686.html
   https://www.suse.com/security/cve/CVE-2018-16864.html
   https://www.suse.com/security/cve/CVE-2018-16865.html
   https://bugzilla.suse.com/1068588
   https://bugzilla.suse.com/1071558
   https://bugzilla.suse.com/1113665
   https://bugzilla.suse.com/1120323

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