Security update for wicked

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 CVE-2020-7217
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 (bsc#1160905).
  • 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):
    • wicked-0.6.60-3.5.1
    • wicked-debuginfo-0.6.60-3.5.1
    • wicked-debugsource-0.6.60-3.5.1
    • wicked-service-0.6.60-3.5.1