SUSE-SU-2020:0351-1: important: Security update for wicked

sle-security-updates at sle-security-updates at
Thu Feb 6 13:18:09 MST 2020

   SUSE Security Update: Security update for wicked

Announcement ID:    SUSE-SU-2020:0351-1
Rating:             important
References:         #1142214 #1160903 #1160904 #1160905 #1160906 
Cross-References:   CVE-2019-18902 CVE-2019-18903 CVE-2020-7216
Affected Products:
                    SUSE Linux Enterprise Server 12-SP5

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


   This update for wicked fixes the following issues:

   Security issues fixed:

   - CVE-2019-18902: Fixed a use-after-free when receiving invalid DHCP6
     client options (bsc#1160903).
   - CVE-2019-18903: Fixed a use-after-free when receiving invalid DHCP6
     IA_PD option (bsc#1160904).
   - CVE-2020-7216: Fixed a potential denial of service via a memory leak
     when processing packets with missing message type option in DHCP4
   - CVE-2020-7217: Fixed a memory leak in DHCP4 fsm when processing packets
     for other client ids (bsc#1160906).

   Non-security issue fixed:

   - dhcp4: Fixed an intermittent hang during network setup by cleaning up
     the defer timer pointer (bsc#1142214).

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-SP5:

      zypper in -t patch SUSE-SLE-SERVER-12-SP5-2020-351=1

Package List:

   - SUSE Linux Enterprise Server 12-SP5 (aarch64 ppc64le s390x x86_64):



More information about the sle-security-updates mailing list