The International Earth Rotation and Reference Systems Service (IERS) have announced that a positive leap second will be added to the end of December 2016, which will be 23:59:60 UTC
Here is a patch table for various Linux operating systems, with the minimum versions of each affected package that should be updated.
| Distribution | ntp4 | Linux Kernel | tzdata5 |
|---|---|---|---|
| Ubuntu 10.04 | Not supported3 | 2.6.32-42.951 | Not available |
| Ubuntu 12.04 | 4.2.6.p3+dfsg-1ubuntu3.11 | 3.2.0-29.462 | 2016g-0ubuntu0.12.04 |
| Ubuntu 14.04 | 4.2.6.p5+dfsg-3ubuntu2.14.04.10 | 3.13.0-33.582 | 2016g-0ubuntu0.14.04 |
| Ubuntu 16.04 | 4.2.8p4+dfsg-3ubuntu5.3 | Not affected | 2016g-0ubuntu0.16.04 |
| CentOS / RHEL 5 | Not supported3 | 2.6.18-1642 | 2016g-2.el5 |
| CentOS / RHEL 6 | 4.2.6p5-10.el6 | 2.6.32-6422 | 2016g-2.el6 |
| CentOS / RHEL 7 | 4.2.6p5-25.el7 | >=3.10.0-514.2.2.el7 or ==3.10.0-327.41.4.el72 | 2016g-2.el7 |
Red Hat or CentOS users can get more information from the Red Hat website.
- [1] - https://lkml.org/lkml/2009/1/2/373
- [2] - https://lkml.org/lkml/2015/5/27/458
- [3] - These distributions are End of Life
- [4] - http://pkgs.fedoraproject.org/cgit/rpms/ntp.git/commit/ntp-4.2.6p5-xleap.patch?id=cad98fe3e43004f347cbca91569beaa8a52ff9a4
- [5] - https://mm.icann.org/pipermail/tz-announce/2016-September/000041.html