Red Hat Product Errata RHBA-2016:2944 - Bug Fix Advisory
Issued:
2016-12-13
Updated:
2016-12-13

RHBA-2016:2944 - Bug Fix Advisory

Synopsis

chrony bug fix update

Type/Severity

Bug Fix Advisory

Red Hat Lightspeed patch analysis

Identify and remediate systems affected by this advisory.

View affected systems

Topic

Updated chrony packages that fix one bug are now available for Red Hat Enterprise Linux 6.

Description

The chrony suite, chronyd and chronyc, is an advanced implementation of the Network Time Protocol (NTP), specially designed to support systems with intermittent connections. It can synchronize the system clock with NTP servers, hardware reference clocks, and manual input. It can also operate as an NTPv4 (RFC 5905) server or peer to provide a time service to other computers in the network.

This update fixes the following bug:

  • When chronyd was configured with the smoothtime directive and the leaponly option to perform a server leap smear, the direction of smoothing could be determined incorrectly due to numerical errors in floating point operations. This consequently caused an assertion failure and chronyd terminated unexpectedly. A patch has been applied, which ensures that the direction is calculated and applied correctly when small offsets are employed in a time update. (BZ#1401533)

Users of chrony are advised to upgrade to these updated packages.

Solution

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

Affected Products

  • Red Hat Enterprise Linux Server 6 x86_64
  • Red Hat Enterprise Linux Server 6 i386
  • Red Hat Enterprise Linux Server - Extended Life Cycle Support 6 x86_64
  • Red Hat Enterprise Linux Server - Extended Life Cycle Support 6 i386
  • Red Hat Enterprise Linux Workstation 6 x86_64
  • Red Hat Enterprise Linux Workstation 6 i386
  • Red Hat Enterprise Linux Desktop 6 x86_64
  • Red Hat Enterprise Linux Desktop 6 i386
  • Red Hat Enterprise Linux for IBM z Systems 6 s390x
  • Red Hat Enterprise Linux for Power, big endian 6 ppc64
  • Red Hat Enterprise Linux for Scientific Computing 6 x86_64
  • Red Hat Enterprise Linux Server - Extended Life Cycle Support (for IBM z Systems) 6 s390x
  • Red Hat Enterprise Linux Server - Extended Life Cycle Support Extension 6 x86_64
  • Red Hat Enterprise Linux Server - Extended Life Cycle Support Extension 6 i386
  • Red Hat Enterprise Linux Server - Extended Life Cycle Support Extension (for IBM z Systems) 6 s390x

Fixes

  • BZ - 1401533 - chronyd crashes when performing server leap smear

CVEs

(none)

References

(none)

Red Hat Enterprise Linux Server 6

SRPM
chrony-2.1.1-2.el6_8.src.rpm SHA-256: 14823528b634dac9d260742a645bdcb8bdf5418c0b26ff925cdc8f085662f8ec
x86_64
chrony-2.1.1-2.el6_8.x86_64.rpm SHA-256: f04ea5e673d397aa05aabc30757421ae75e23f9f4bdd2dca1ac4cb8194318ebd
chrony-2.1.1-2.el6_8.x86_64.rpm SHA-256: f04ea5e673d397aa05aabc30757421ae75e23f9f4bdd2dca1ac4cb8194318ebd
chrony-debuginfo-2.1.1-2.el6_8.x86_64.rpm SHA-256: 1d332b45e0f3ea726d327c8865657c13f8c0bbeeb40222cdaaa728d05ed93735
chrony-debuginfo-2.1.1-2.el6_8.x86_64.rpm SHA-256: 1d332b45e0f3ea726d327c8865657c13f8c0bbeeb40222cdaaa728d05ed93735
i386
chrony-2.1.1-2.el6_8.i686.rpm SHA-256: 29d4301857852e2effb845287216eeafc0794a08a08ccbb81fbb41db02b02fca
chrony-debuginfo-2.1.1-2.el6_8.i686.rpm SHA-256: f15118dfa3881d4eb128fe817362a321aa455205569f0febbc0cca18a524efd7

Red Hat Enterprise Linux Server - Extended Life Cycle Support 6

SRPM
chrony-2.1.1-2.el6_8.src.rpm SHA-256: 14823528b634dac9d260742a645bdcb8bdf5418c0b26ff925cdc8f085662f8ec
x86_64
chrony-2.1.1-2.el6_8.x86_64.rpm SHA-256: f04ea5e673d397aa05aabc30757421ae75e23f9f4bdd2dca1ac4cb8194318ebd
chrony-debuginfo-2.1.1-2.el6_8.x86_64.rpm SHA-256: 1d332b45e0f3ea726d327c8865657c13f8c0bbeeb40222cdaaa728d05ed93735
i386
chrony-2.1.1-2.el6_8.i686.rpm SHA-256: 29d4301857852e2effb845287216eeafc0794a08a08ccbb81fbb41db02b02fca
chrony-debuginfo-2.1.1-2.el6_8.i686.rpm SHA-256: f15118dfa3881d4eb128fe817362a321aa455205569f0febbc0cca18a524efd7

Red Hat Enterprise Linux Workstation 6

SRPM
chrony-2.1.1-2.el6_8.src.rpm SHA-256: 14823528b634dac9d260742a645bdcb8bdf5418c0b26ff925cdc8f085662f8ec
x86_64
chrony-2.1.1-2.el6_8.x86_64.rpm SHA-256: f04ea5e673d397aa05aabc30757421ae75e23f9f4bdd2dca1ac4cb8194318ebd
chrony-debuginfo-2.1.1-2.el6_8.x86_64.rpm SHA-256: 1d332b45e0f3ea726d327c8865657c13f8c0bbeeb40222cdaaa728d05ed93735
i386
chrony-2.1.1-2.el6_8.i686.rpm SHA-256: 29d4301857852e2effb845287216eeafc0794a08a08ccbb81fbb41db02b02fca
chrony-debuginfo-2.1.1-2.el6_8.i686.rpm SHA-256: f15118dfa3881d4eb128fe817362a321aa455205569f0febbc0cca18a524efd7

Red Hat Enterprise Linux Desktop 6

SRPM
chrony-2.1.1-2.el6_8.src.rpm SHA-256: 14823528b634dac9d260742a645bdcb8bdf5418c0b26ff925cdc8f085662f8ec
x86_64
chrony-2.1.1-2.el6_8.x86_64.rpm SHA-256: f04ea5e673d397aa05aabc30757421ae75e23f9f4bdd2dca1ac4cb8194318ebd
chrony-debuginfo-2.1.1-2.el6_8.x86_64.rpm SHA-256: 1d332b45e0f3ea726d327c8865657c13f8c0bbeeb40222cdaaa728d05ed93735
i386
chrony-2.1.1-2.el6_8.i686.rpm SHA-256: 29d4301857852e2effb845287216eeafc0794a08a08ccbb81fbb41db02b02fca
chrony-debuginfo-2.1.1-2.el6_8.i686.rpm SHA-256: f15118dfa3881d4eb128fe817362a321aa455205569f0febbc0cca18a524efd7

Red Hat Enterprise Linux for IBM z Systems 6

SRPM
chrony-2.1.1-2.el6_8.src.rpm SHA-256: 14823528b634dac9d260742a645bdcb8bdf5418c0b26ff925cdc8f085662f8ec
s390x
chrony-2.1.1-2.el6_8.s390x.rpm SHA-256: f1839e281f4b32900826f5ddc4e37f2de8130a64bcdafd99ed4f52730ffe2d47
chrony-debuginfo-2.1.1-2.el6_8.s390x.rpm SHA-256: bb11ed0207f0de8e95cf21ef14fa2d6a4c016bda12d137804e5b1cd7bacaf395

Red Hat Enterprise Linux for Power, big endian 6

SRPM
chrony-2.1.1-2.el6_8.src.rpm SHA-256: 14823528b634dac9d260742a645bdcb8bdf5418c0b26ff925cdc8f085662f8ec
ppc64
chrony-2.1.1-2.el6_8.ppc64.rpm SHA-256: 895b0a4ea3e56506ed8be37d1dbcf4172e56190a7fb17eac8e3ff17d7c28bbed
chrony-debuginfo-2.1.1-2.el6_8.ppc64.rpm SHA-256: 6292c4c4bfb3c72838afb3fbed086afe31f49edcea1a68c2e9b54d10047cabaf

Red Hat Enterprise Linux for Scientific Computing 6

SRPM
chrony-2.1.1-2.el6_8.src.rpm SHA-256: 14823528b634dac9d260742a645bdcb8bdf5418c0b26ff925cdc8f085662f8ec
x86_64
chrony-2.1.1-2.el6_8.x86_64.rpm SHA-256: f04ea5e673d397aa05aabc30757421ae75e23f9f4bdd2dca1ac4cb8194318ebd
chrony-debuginfo-2.1.1-2.el6_8.x86_64.rpm SHA-256: 1d332b45e0f3ea726d327c8865657c13f8c0bbeeb40222cdaaa728d05ed93735

Red Hat Enterprise Linux Server - Extended Life Cycle Support (for IBM z Systems) 6

SRPM
chrony-2.1.1-2.el6_8.src.rpm SHA-256: 14823528b634dac9d260742a645bdcb8bdf5418c0b26ff925cdc8f085662f8ec
s390x
chrony-2.1.1-2.el6_8.s390x.rpm SHA-256: f1839e281f4b32900826f5ddc4e37f2de8130a64bcdafd99ed4f52730ffe2d47
chrony-debuginfo-2.1.1-2.el6_8.s390x.rpm SHA-256: bb11ed0207f0de8e95cf21ef14fa2d6a4c016bda12d137804e5b1cd7bacaf395

Red Hat Enterprise Linux Server - Extended Life Cycle Support Extension 6

SRPM
chrony-2.1.1-2.el6_8.src.rpm SHA-256: 14823528b634dac9d260742a645bdcb8bdf5418c0b26ff925cdc8f085662f8ec
x86_64
chrony-2.1.1-2.el6_8.x86_64.rpm SHA-256: f04ea5e673d397aa05aabc30757421ae75e23f9f4bdd2dca1ac4cb8194318ebd
chrony-debuginfo-2.1.1-2.el6_8.x86_64.rpm SHA-256: 1d332b45e0f3ea726d327c8865657c13f8c0bbeeb40222cdaaa728d05ed93735
i386
chrony-2.1.1-2.el6_8.i686.rpm SHA-256: 29d4301857852e2effb845287216eeafc0794a08a08ccbb81fbb41db02b02fca
chrony-debuginfo-2.1.1-2.el6_8.i686.rpm SHA-256: f15118dfa3881d4eb128fe817362a321aa455205569f0febbc0cca18a524efd7

Red Hat Enterprise Linux Server - Extended Life Cycle Support Extension (for IBM z Systems) 6

SRPM
chrony-2.1.1-2.el6_8.src.rpm SHA-256: 14823528b634dac9d260742a645bdcb8bdf5418c0b26ff925cdc8f085662f8ec
s390x
chrony-2.1.1-2.el6_8.s390x.rpm SHA-256: f1839e281f4b32900826f5ddc4e37f2de8130a64bcdafd99ed4f52730ffe2d47
chrony-debuginfo-2.1.1-2.el6_8.s390x.rpm SHA-256: bb11ed0207f0de8e95cf21ef14fa2d6a4c016bda12d137804e5b1cd7bacaf395

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