RHSA-2015:1930High

Red Hat Security Advisory: ntp security update

Published
October 26, 2015
Last Modified
November 7, 2026

🔗 CVE IDs covered (2)

CVE-2015-5300 →CVE-2015-7704 →

📋 Description

CVE-2015-5300 — ntp: MITM attacker can force ntpd to make a step larger than the panic threshold CVE-2015-7704 — ntp: disabling synchronization via crafted KoD packet

🎯 Affected products119

  • Red Hat Enterprise Linux Client (v. 7)
  • Red Hat Enterprise Linux Client Optional (v. 7)
  • Red Hat Enterprise Linux ComputeNode (v. 7)
  • Red Hat Enterprise Linux ComputeNode Optional (v. 7)
  • Red Hat Enterprise Linux Desktop (v. 6)
  • Red Hat Enterprise Linux Desktop Optional (v. 6)
  • Red Hat Enterprise Linux HPC Node (v. 6)
  • Red Hat Enterprise Linux HPC Node Optional (v. 6)
  • Red Hat Enterprise Linux Server (v. 6)
  • Red Hat Enterprise Linux Server (v. 7)
  • Red Hat Enterprise Linux Server Optional (v. 6)
  • Red Hat Enterprise Linux Server Optional (v. 7)
  • Red Hat Enterprise Linux Workstation (v. 6)
  • Red Hat Enterprise Linux Workstation (v. 7)
  • Red Hat Enterprise Linux Workstation Optional (v. 6)
  • Red Hat Enterprise Linux Workstation Optional (v. 7)
  • ntp-0:4.2.6p5-19.ael7b_1.3.ppc64le as a component of Red Hat Enterprise Linux Server (v. 7)
  • ntp-0:4.2.6p5-19.ael7b_1.3.src as a component of Red Hat Enterprise Linux Server (v. 7)
  • ntp-0:4.2.6p5-19.el7_1.3.ppc64 as a component of Red Hat Enterprise Linux Server (v. 7)
  • ntp-0:4.2.6p5-19.el7_1.3.s390x as a component of Red Hat Enterprise Linux Server (v. 7)
  • ntp-0:4.2.6p5-19.el7_1.3.src as a component of Red Hat Enterprise Linux Client (v. 7)
  • ntp-0:4.2.6p5-19.el7_1.3.src as a component of Red Hat Enterprise Linux ComputeNode (v. 7)
  • ntp-0:4.2.6p5-19.el7_1.3.src as a component of Red Hat Enterprise Linux Server (v. 7)
  • ntp-0:4.2.6p5-19.el7_1.3.src as a component of Red Hat Enterprise Linux Workstation (v. 7)
  • ntp-0:4.2.6p5-19.el7_1.3.x86_64 as a component of Red Hat Enterprise Linux Client (v. 7)
  • ntp-0:4.2.6p5-19.el7_1.3.x86_64 as a component of Red Hat Enterprise Linux ComputeNode (v. 7)
  • ntp-0:4.2.6p5-19.el7_1.3.x86_64 as a component of Red Hat Enterprise Linux Server (v. 7)
  • ntp-0:4.2.6p5-19.el7_1.3.x86_64 as a component of Red Hat Enterprise Linux Workstation (v. 7)
  • ntp-0:4.2.6p5-5.el6_7.2.i686 as a component of Red Hat Enterprise Linux Desktop (v. 6)
  • ntp-0:4.2.6p5-5.el6_7.2.i686 as a component of Red Hat Enterprise Linux Server (v. 6)
  • +89 more not shown

✅ Remediation

Before applying this update, make sure all previously released errata relevant to your system have been applied. For details on how to apply this update, refer to: https://access.redhat.com/articles/11258

🔗 References (5)