Security update for ntp

SUSE Security Update: Security update for ntp
Announcement ID: SUSE-SU-2019:13991-1
Rating: moderate
References: #1001182 #1128525
Affected Products:
  • SUSE Linux Enterprise Server 11-SP4
  • SUSE Linux Enterprise Debuginfo 11-SP4

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


This update for ntp fixes the following issues:
Security issue fixed:

  • CVE-2019-8936: Fixed a null pointer exception which could allow an authenticated attcker to cause segmentation fault to ntpd (bsc#1128525).

Other issues addressed:
  • Make sure that SLE12 version is higher than the one in SLE11 (bsc#1001182).
  • Fixed several bugs in the BANCOMM reclock driver.
  • Fixed ntp_loopfilter.c snprintf compilation warnings.
  • Fixed spurious initgroups() error message.
  • Fixed STA_NANO struct timex units.
  • Fixed GPS week rollover in libparse.
  • Fixed incorrect poll interval in packet.
  • Added a missing check for ENABLE_CMAC.

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 11-SP4:
    zypper in -t patch slessp4-ntp-13991=1
  • SUSE Linux Enterprise Debuginfo 11-SP4:
    zypper in -t patch dbgsp4-ntp-13991=1

Package List:

  • SUSE Linux Enterprise Server 11-SP4 (i586 ia64 ppc64 s390x x86_64):
    • ntp-4.2.8p13-64.13.1
    • ntp-doc-4.2.8p13-64.13.1
  • SUSE Linux Enterprise Debuginfo 11-SP4 (i586 ia64 ppc64 s390x x86_64):
    • ntp-debuginfo-4.2.8p13-64.13.1
    • ntp-debugsource-4.2.8p13-64.13.1