Red Hat Enterprise Linux editions and release dates

Red Hat Enterprise Linux 7

Release/update	General Availability Date	Redhat-release errata date*	Kernel Version
RHEL 7 Update 2	Tba	Tba	Tba
RHEL 7 Update 1	2015-03-05	2015-03-05 rhea-2015:0524	3.10.0-229
RHEL 7 GA	2014-06-09	-	3.10.0-123
RHEL 7 RC	2014-04-23	-	3.10.0-121
RHEL 7 Beta	2013-12-11	-	3.10.0-54.0.1

Codename:maipo (based on a mix of fedora, fedora, and several modifications)

Red Hat Enterprise Linux 6

Release/update	General Availability Date	Redhat-release errata date*	Kernel Version
RHEL 6 Update 7	Tba	Tba	Tba
RHEL 6 Update 6	2014-10-14	2014-10-13 rhea-2014:1608	2.6.32-504
RHEL 6 Update 5	2013-11-21	2013-11-20 rhsa-2013:1645-2	2.6.32-431
RHEL 6 Update 4	2013-02-21	2013-02-21 rhsa-2013-0496	2.6.32-358
RHEL 6 Update 3	2012-06-20	2012-06-19 rhsa-2012-0862	2.6.32-279
RHEL 6 Update 2	2011-12-06	2011-12-06 rhea-2011:1743	2.6.32-220
RHEL 6 Update 1	2011-05-19	2011-05-19 rhea-2011:0540	2.6.32-131.0.15
RHEL 6 GA	2010-11-09	-	2.6.32-71

Codename:santiago (based on a mix of fedora, fedora, and several modifications)

Red Hat Enterprise Linux 5

Release/update	General Availability Date	Redhat-release errata date*	Kernel Version
RHEL 5 Update 11	2014-09-16	2014-09-16 rhea-2014-1238	2.6.18-398
RHEL 5 Update 10	2013-10-01	2013-09-30 rhea-2013-1311	2.6.18-371
RHEL 5 Update 9	2013-01-07	2013-01-07 rhea-2013-0021	2.6.18-348
RHEL 5 Update 8	2012-02-20	2012-02-20 rhea-2012:0315	2.6.18-308
RHEL 5 Update 7	2011-07-21	2011-07-20 rhea-2011:0977	2.6.18-274
RHEL 5 Update 6	2011-01-13	2011-01-12 rhea-2011:0020	2.6.18-238
RHEL 5 Update 5	2010-03-30	2010-03-30 rhea-2010:0207	2.6.18-194
RHEL 5 Update 4	2009-09-02	2009-09-02 rhea-2009:1400	2.6.18-164
RHEL 5 Update 3	2009-01-20	2009-01-20 rhea-2009:0133	2.6.18-128
RHEL 5 Update 2	2008-05-21	2008-05-20 rhea-2008:0436	2.6.18-92
RHEL 5 Update 1	2007-11-07	2007-11-07 rhea-2007:0854	2.6.18-53
RHEL 5 GA	2007-03-15	-	2.6.18-8

Codename:tikanga (based on Fedora Core 6)

Red Hat Enterprise Linux 4

Release/update	General Availability Date	Redhat-release errata date*	Kernel Version
RHEL 4 Update 9	2011-02-16	2011-02-16 rhea-2011:0251	2.6.9-100
RHEL 4 Update 8	2009-05-19	2009-05-18 rhea-2009:1002	2.6.9-89
RHEL 4 Update 7	2008-07-29	2008-07-24 rhea-2008:0769	2.6.9-78
RHEL 4 Update 6	2007-11-15	2007-11-15 rhba-2007:0897	2.6.9-67
RHEL 4 Update 5	2007-05-01	2007-04-27 rhba-2007:0196	2.6.9-55
RHEL 4 Update 4	2006-08-10	2006-08-10 rhba-2006:0601	2.6.9-42
RHEL 4 Update 3	2006-03-12	2006-03-07 rhba-2006:0149	2.6.9-34
RHEL 4 Update 2	2005-10-05	2005-10-05 rhea-2005:786	2.6.9-22
RHEL 4 Update 1	2005-06-08	2005-06-08 rhea-2005:318	2.6.9-11
RHEL 4 GA	2005-02-15	-	2.6.9-5

Codename:nahant (based on Fedora Core 3)

Red Hat Enterprise Linux 3

Release/update	General Availability Date	Kernel Version
RHEL 3 Update 9	2007-06-20	2.4.21-50
RHEL 3 Update 8	2006-07-20	2.4.21-47
RHEL 3 Update 7	2006-03-17	2.4.21-40
RHEL 3 Update 6	2005-09-28	2.4.21-37
RHEL 3 Update 5	2005-05-18	2.4.21-32
RHEL 3 Update 4	2004-12-12	2.4.21-27
RHEL 3 Update 3	2004-09-03	2.4.21-20
RHEL 3 Update 2	2004-05-12	2.4.21-15
RHEL 3 Update 1	2004-01-16	2.4.21-9
RHEL 3 GA	2003-10-22	2.4.21-4

Codename:taroon (based on Red Hat Linux 9)

Red Hat Enterprise Linux 2.1

Release/update	General Availability Date	Kernel Version
RHEL 2.1 Update 7	2005-04-28	-
RHEL 2.1 Update 6	2004-12-13	2.4.9-e.57
RHEL 2.1 Update 5	2004-08-18	2.4.9-e.49
RHEL 2.1 Update 4	2004-04-21	2.4.9-e.40
RHEL 2.1 Update 3	2004-12-19	2.4.9-e.34
RHEL 2.1 Update 2	2003-03-29	2.4.9-e.24
RHEL 2.1 Update 1	2003-02-14	2.4.9-e.12
RHEL 2.1 GA	2002-03-23	2.4.9-e.3

Codename:pensacola (AS)/Panama (ES) (based on Red Hat Linux 7.2)

* Helpful when cloning channels on satellite for a minor version plus all errata prior to the next minor release using Spa Cewalk-clone-by-date or the WebUI.

For detailed information, refer to the official website https://access.redhat.com/articles/3078

Red Hat Enterprise Linux editions and release dates