SUSE Security Update: Security update for wicked
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Announcement ID:    SUSE-SU-2020:0263-1
Rating:             important
References:         #1160903 #1160905 
Cross-References:   CVE-2019-18902 CVE-2020-7216
Affected Products:
                    SUSE Linux Enterprise Server for SAP 15
                    SUSE Linux Enterprise Server 15-LTSS
                    SUSE Linux Enterprise Module for Basesystem 15
                    SUSE Linux Enterprise High Performance Computing 15-LTSS
                    SUSE Linux Enterprise High Performance Computing 15-ESPOS
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   An update that fixes two vulnerabilities is now available.

Description:

   This update for wicked fixes the following issues:

   - CVE-2019-18902: Fixed a use-after-free when receiving invalid DHCP6
     client options (bsc#1160903).
   - CVE-2020-7216: Fixed a potential denial of service via a memory leak
     when processing packets with missing message type option in DHCP4
     (bsc#1160905).


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 for SAP 15:

      zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-2020-263=1

   - SUSE Linux Enterprise Server 15-LTSS:

      zypper in -t patch SUSE-SLE-Product-SLES-15-2020-263=1

   - SUSE Linux Enterprise Module for Basesystem 15:

      zypper in -t patch SUSE-SLE-Module-Basesystem-15-2020-263=1

   - SUSE Linux Enterprise High Performance Computing 15-LTSS:

      zypper in -t patch SUSE-SLE-Product-HPC-15-2020-263=1

   - SUSE Linux Enterprise High Performance Computing 15-ESPOS:

      zypper in -t patch SUSE-SLE-Product-HPC-15-2020-263=1



Package List:

   - SUSE Linux Enterprise Server for SAP 15 (ppc64le x86_64):

      wicked-0.6.60-3.21.1
      wicked-debuginfo-0.6.60-3.21.1
      wicked-debugsource-0.6.60-3.21.1
      wicked-service-0.6.60-3.21.1

   - SUSE Linux Enterprise Server 15-LTSS (aarch64 s390x):

      wicked-0.6.60-3.21.1
      wicked-debuginfo-0.6.60-3.21.1
      wicked-debugsource-0.6.60-3.21.1
      wicked-service-0.6.60-3.21.1

   - SUSE Linux Enterprise Module for Basesystem 15 (aarch64 ppc64le s390x x86_64):

      wicked-0.6.60-3.21.1
      wicked-debuginfo-0.6.60-3.21.1
      wicked-debugsource-0.6.60-3.21.1
      wicked-service-0.6.60-3.21.1

   - SUSE Linux Enterprise High Performance Computing 15-LTSS (aarch64 x86_64):

      wicked-0.6.60-3.21.1
      wicked-debuginfo-0.6.60-3.21.1
      wicked-debugsource-0.6.60-3.21.1
      wicked-service-0.6.60-3.21.1

   - SUSE Linux Enterprise High Performance Computing 15-ESPOS (aarch64 x86_64):

      wicked-0.6.60-3.21.1
      wicked-debuginfo-0.6.60-3.21.1
      wicked-debugsource-0.6.60-3.21.1
      wicked-service-0.6.60-3.21.1


References:

   https://www.suse.com/security/cve/CVE-2019-18902.html
   https://www.suse.com/security/cve/CVE-2020-7216.html
   https://bugzilla.suse.com/1160903
   https://bugzilla.suse.com/1160905

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