RHSA-2015:2520High

Red Hat Security Advisory: ntp security update

Published
November 26, 2015
Last Modified
November 7, 2026

🔗 CVE IDs covered (1)

CVE-2015-7704 →

📋 Description

CVE-2015-7704 — ntp: disabling synchronization via crafted KoD packet

🎯 Affected products68

  • Red Hat Enterprise Linux Compute Node Optional EUS (v. 6.5)
  • Red Hat Enterprise Linux HPC Node EUS (v. 6.5)
  • Red Hat Enterprise Linux HPC Node EUS (v. 6.6)
  • Red Hat Enterprise Linux HPC Node Optional EUS (v. 6.6)
  • Red Hat Enterprise Linux Server EUS (v. 6.5)
  • Red Hat Enterprise Linux Server EUS (v. 6.6)
  • Red Hat Enterprise Linux Server Optional EUS (v. 6.5)
  • Red Hat Enterprise Linux Server Optional EUS (v. 6.6)
  • ntp-0:4.2.6p5-2.el6_5.1.i686 as a component of Red Hat Enterprise Linux Server EUS (v. 6.5)
  • ntp-0:4.2.6p5-2.el6_5.1.ppc64 as a component of Red Hat Enterprise Linux Server EUS (v. 6.5)
  • ntp-0:4.2.6p5-2.el6_5.1.s390x as a component of Red Hat Enterprise Linux Server EUS (v. 6.5)
  • ntp-0:4.2.6p5-2.el6_5.1.src as a component of Red Hat Enterprise Linux Compute Node Optional EUS (v. 6.5)
  • ntp-0:4.2.6p5-2.el6_5.1.src as a component of Red Hat Enterprise Linux HPC Node EUS (v. 6.5)
  • ntp-0:4.2.6p5-2.el6_5.1.src as a component of Red Hat Enterprise Linux Server EUS (v. 6.5)
  • ntp-0:4.2.6p5-2.el6_5.1.src as a component of Red Hat Enterprise Linux Server Optional EUS (v. 6.5)
  • ntp-0:4.2.6p5-2.el6_5.1.x86_64 as a component of Red Hat Enterprise Linux HPC Node EUS (v. 6.5)
  • ntp-0:4.2.6p5-2.el6_5.1.x86_64 as a component of Red Hat Enterprise Linux Server EUS (v. 6.5)
  • ntp-0:4.2.6p5-3.el6_6.1.i686 as a component of Red Hat Enterprise Linux Server EUS (v. 6.6)
  • ntp-0:4.2.6p5-3.el6_6.1.ppc64 as a component of Red Hat Enterprise Linux Server EUS (v. 6.6)
  • ntp-0:4.2.6p5-3.el6_6.1.s390x as a component of Red Hat Enterprise Linux Server EUS (v. 6.6)
  • ntp-0:4.2.6p5-3.el6_6.1.src as a component of Red Hat Enterprise Linux HPC Node EUS (v. 6.6)
  • ntp-0:4.2.6p5-3.el6_6.1.src as a component of Red Hat Enterprise Linux Server EUS (v. 6.6)
  • ntp-0:4.2.6p5-3.el6_6.1.x86_64 as a component of Red Hat Enterprise Linux HPC Node EUS (v. 6.6)
  • ntp-0:4.2.6p5-3.el6_6.1.x86_64 as a component of Red Hat Enterprise Linux Server EUS (v. 6.6)
  • ntp-debuginfo-0:4.2.6p5-2.el6_5.1.i686 as a component of Red Hat Enterprise Linux Server EUS (v. 6.5)
  • ntp-debuginfo-0:4.2.6p5-2.el6_5.1.i686 as a component of Red Hat Enterprise Linux Server Optional EUS (v. 6.5)
  • ntp-debuginfo-0:4.2.6p5-2.el6_5.1.ppc64 as a component of Red Hat Enterprise Linux Server EUS (v. 6.5)
  • ntp-debuginfo-0:4.2.6p5-2.el6_5.1.ppc64 as a component of Red Hat Enterprise Linux Server Optional EUS (v. 6.5)
  • ntp-debuginfo-0:4.2.6p5-2.el6_5.1.s390x as a component of Red Hat Enterprise Linux Server EUS (v. 6.5)
  • ntp-debuginfo-0:4.2.6p5-2.el6_5.1.s390x as a component of Red Hat Enterprise Linux Server Optional EUS (v. 6.5)
  • +38 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 (4)