Ubuntu
linux-distribution os
Ubuntu is a free and open-source Linux distribution based on Debian. Ubuntu is officially released in three editions: Desktop, Server, and Core (for IoT devices and robots).
| Release | Released | Hardware & Maintenance | Maintenance & Security Support | Expanded Security Maintenance | Latest |
|---|---|---|---|---|---|
| 25.10 'Questing Quokka' | 3 weeks and 2 days ago (09 Oct 2025)
|
Ends
in 8 months (01 Jul 2026)
|
Ends
in 8 months (01 Jul 2026)
|
Unavailable |
25.10
(09 Oct 2025)
|
| 25.04 'Plucky Puffin' | 6 months ago (17 Apr 2025)
|
Ends
in 2 months and 2 weeks (17 Jan 2026)
|
Ends
in 2 months and 2 weeks (17 Jan 2026)
|
Unavailable |
25.04
(17 Apr 2025)
|
| 24.10 'Oracular Oriole' | 1 year ago (10 Oct 2024)
|
Ended
3 months and 3 weeks ago (10 Jul 2025)
|
Ended
3 months and 3 weeks ago (10 Jul 2025)
|
Unavailable |
24.10
(10 Oct 2024)
|
| 24.04 'Noble Numbat' (LTS) | 1 year and 6 months ago (25 Apr 2024)
|
Ends
in 3 years and 5 months (25 Apr 2029)
|
Ends
in 3 years and 5 months (25 Apr 2029)
|
Ends
in 10 years (25 Apr 2036)
|
24.04.3
(07 Aug 2025)
|
| 23.10 'Mantic Minotaur' | 2 years ago (12 Oct 2023)
|
Ended
1 year and 3 months ago (12 Jul 2024)
|
Ended
1 year and 3 months ago (12 Jul 2024)
|
Unavailable |
23.10
(12 Oct 2023)
|
| 23.04 'Lunar Lobster' | 2 years and 6 months ago (20 Apr 2023)
|
Ended
1 year and 9 months ago (20 Jan 2024)
|
Ended
1 year and 9 months ago (20 Jan 2024)
|
Unavailable |
23.04
(20 Apr 2023)
|
| 22.10 'Kinetic Kudu' | 3 years ago (20 Oct 2022)
|
Ended
2 years and 3 months ago (20 Jul 2023)
|
Ended
2 years and 3 months ago (20 Jul 2023)
|
Unavailable |
22.10
(20 Oct 2022)
|
| 22.04 'Jammy Jellyfish' (LTS) | 3 years and 6 months ago (21 Apr 2022)
|
Ended
1 year ago (30 Sep 2024)
|
Ends
in 1 year and 5 months (01 Apr 2027)
|
Ends
in 6 years (09 Apr 2032)
|
22.04.5
(12 Sep 2024)
|
| 21.10 'Impish Indri' | 4 years ago (14 Oct 2021)
|
Ended
3 years ago (14 Jul 2022)
|
Ended
3 years ago (14 Jul 2022)
|
Unavailable |
21.10
(14 Oct 2021)
|
| 21.04 'Hirsute Hippo' | 4 years and 6 months ago (22 Apr 2021)
|
Ended
3 years and 9 months ago (20 Jan 2022)
|
Ended
3 years and 9 months ago (20 Jan 2022)
|
Unavailable |
21.04
(22 Apr 2021)
|
| 20.10 'Groovy Gorilla' | 5 years ago (22 Oct 2020)
|
Ended
4 years ago (22 Jul 2021)
|
Ended
4 years ago (22 Jul 2021)
|
Unavailable |
20.10
(22 Oct 2020)
|
| 20.04 'Focal Fossa' (LTS) | 5 years ago (23 Apr 2020)
|
Ended
3 years ago (01 Oct 2022)
|
Ended
5 months ago (31 May 2025)
|
Ends
in 4 years (02 Apr 2030)
|
20.04.6
(23 Mar 2023)
|
| 19.10 'Eoan Ermine' | 6 years ago (17 Oct 2019)
|
Ended
5 years ago (06 Jul 2020)
|
Ended
5 years ago (06 Jul 2020)
|
Unavailable |
19.10
(17 Oct 2019)
|
| 19.04 'Disco Dingo' | 6 years ago (18 Apr 2019)
|
Ended
5 years and 9 months ago (23 Jan 2020)
|
Ended
5 years and 9 months ago (23 Jan 2020)
|
Unavailable |
19.04
(18 Apr 2019)
|
| 18.10 'Cosmic Cuttlefish' | 7 years ago (18 Oct 2018)
|
Ended
6 years ago (18 Jul 2019)
|
Ended
6 years ago (18 Jul 2019)
|
Unavailable |
18.10
(18 Oct 2018)
|
| 18.04 'Bionic Beaver' (LTS) | 7 years ago (26 Apr 2018)
|
Ended
2 years and 5 months ago (31 May 2023)
|
Ended
2 years and 5 months ago (31 May 2023)
|
Ends
in 2 years and 5 months (01 Apr 2028)
|
18.04.6
(17 Sep 2021)
|
| 17.10 'Artful Aardvark' | 8 years ago (19 Oct 2017)
|
Ended
7 years ago (19 Jul 2018)
|
Ended
7 years ago (19 Jul 2018)
|
Unavailable |
17.10
(19 Oct 2017)
|
| 17.04 'Zesty Zapus' | 8 years ago (13 Apr 2017)
|
Ended
7 years ago (13 Jan 2018)
|
Ended
7 years ago (13 Jan 2018)
|
Unavailable |
17.04
(13 Apr 2017)
|
| 16.10 'Yakkety Yak' | 9 years ago (13 Oct 2016)
|
Ended
8 years ago (20 Jul 2017)
|
Ended
8 years ago (20 Jul 2017)
|
Unavailable |
16.10
(13 Oct 2016)
|
| 16.04 'Xenial Xerus' (LTS) | 9 years ago (21 Apr 2016)
|
Ended
4 years and 7 months ago (02 Apr 2021)
|
Ended
4 years and 7 months ago (02 Apr 2021)
|
Ends
in 5 months (02 Apr 2026)
|
16.04.7
(13 Aug 2020)
|
| 15.10 'Wily Werewolf' | 10 years ago (22 Oct 2015)
|
Ended
9 years ago (28 Jul 2016)
|
Ended
9 years ago (28 Jul 2016)
|
Unavailable |
15.10
(22 Oct 2015)
|
| 15.04 'Vivid Vervet' | 10 years ago (23 Apr 2015)
|
Ended
9 years ago (04 Feb 2016)
|
Ended
9 years ago (04 Feb 2016)
|
Unavailable |
15.04
(23 Apr 2015)
|
| 14.10 'Utopic Unicorn' | 11 years ago (23 Oct 2014)
|
Ended
10 years ago (23 Jul 2015)
|
Ended
10 years ago (23 Jul 2015)
|
Unavailable |
14.10
(23 Oct 2014)
|
| 14.04 'Trusty Tahr' (LTS) | 11 years ago (17 Apr 2014)
|
Ended
6 years ago (02 Apr 2019)
|
Ended
6 years ago (02 Apr 2019)
|
Ended
1 year and 7 months ago (02 Apr 2024)
|
14.04.6
(07 Mar 2019)
|
| 13.10 'Saucy Salamander' | 12 years ago (17 Oct 2013)
|
Ended
11 years ago (17 Jul 2014)
|
Ended
11 years ago (17 Jul 2014)
|
Unavailable |
13.10
(17 Oct 2013)
|
| 13.04 'Raring Ringtail' | 12 years ago (25 Apr 2013)
|
Ended
11 years ago (27 Jan 2014)
|
Ended
11 years ago (27 Jan 2014)
|
Unavailable |
13.04
(25 Apr 2013)
|
| 12.10 'Quantal Quetzal' | 13 years ago (18 Oct 2012)
|
Ended
11 years ago (16 May 2014)
|
Ended
11 years ago (16 May 2014)
|
Unavailable |
12.10
(18 Oct 2012)
|
| 12.04 'Precise Pangolin' (LTS) | 13 years ago (26 Apr 2012)
|
Ended
8 years ago (28 Apr 2017)
|
Ended
8 years ago (28 Apr 2017)
|
Ended
6 years ago (26 Apr 2019)
|
12.04.5
(08 Aug 2014)
|
| 11.10 'Oneiric Ocelot' | 14 years ago (13 Oct 2011)
|
Ended
12 years ago (09 May 2013)
|
Ended
12 years ago (09 May 2013)
|
Unavailable |
11.10
(13 Oct 2011)
|
| 11.04 'Natty Narwhal' | 14 years ago (28 Apr 2011)
|
Ended
13 years ago (28 Oct 2012)
|
Ended
13 years ago (28 Oct 2012)
|
Unavailable |
11.04
(28 Apr 2011)
|
| 10.10 'Maverick Meerkat' | 15 years ago (10 Oct 2010)
|
Ended
13 years ago (10 Apr 2012)
|
Ended
13 years ago (10 Apr 2012)
|
Unavailable |
10.10
(10 Oct 2010)
|
| 10.04 'Lucid Lynx' (LTS) | 15 years ago (29 Apr 2010)
|
Ended
12 years ago (09 May 2013)
|
Ended
12 years ago (09 May 2013)
|
Unavailable |
10.04.4
(16 Feb 2012)
|
| 9.10 'Karmic Koala' | 16 years ago (29 Oct 2009)
|
Ended
14 years ago (30 Apr 2011)
|
Ended
14 years ago (30 Apr 2011)
|
Unavailable |
9.10
(29 Oct 2009)
|
| 9.04 'Jaunty Jackalope' | 16 years ago (23 Apr 2009)
|
Ended
15 years ago (23 Oct 2010)
|
Ended
15 years ago (23 Oct 2010)
|
Unavailable |
9.04
(23 Apr 2009)
|
| 8.10 'Intrepid Ibex' | 17 years ago (30 Oct 2008)
|
Ended
15 years ago (30 Apr 2010)
|
Ended
15 years ago (30 Apr 2010)
|
Unavailable |
8.10
(30 Oct 2008)
|
| 8.04 'Hardy Heron' (LTS) | 17 years ago (24 Apr 2008)
|
Ended
12 years ago (09 May 2013)
|
Ended
12 years ago (09 May 2013)
|
Unavailable |
8.04.4
(29 Jan 2010)
|
| 7.10 'Gutsy Gibbon' | 18 years ago (18 Oct 2007)
|
Ended
16 years ago (18 Apr 2009)
|
Ended
16 years ago (18 Apr 2009)
|
Unavailable |
7.10
(18 Oct 2007)
|
| 7.04 'Feisty Fawn' | 18 years ago (19 Apr 2007)
|
Ended
17 years ago (19 Oct 2008)
|
Ended
17 years ago (19 Oct 2008)
|
Unavailable |
7.04
(19 Apr 2007)
|
| 6.10 'Edgy Eft' | 19 years ago (26 Oct 2006)
|
Ended
19 years ago (26 Oct 2006)
|
Ended
17 years ago (26 Apr 2008)
|
Unavailable |
6.10
(26 Oct 2006)
|
| 6.06 'Dapper Drake' (LTS) | 19 years ago (10 Aug 2006)
|
Ended
14 years ago (01 Jun 2011)
|
Ended
14 years ago (01 Jun 2011)
|
Unavailable |
6.06.2
(22 Jan 2008)
|
| 5.10 'Breezy Badger' | 20 years ago (13 Oct 2005)
|
Ended
18 years ago (13 Apr 2007)
|
Ended
18 years ago (13 Apr 2007)
|
Unavailable |
5.10
(13 Oct 2005)
|
| 5.04 'Hoary Hedgehog' | 20 years ago (08 Apr 2005)
|
Ended
19 years ago (31 Oct 2006)
|
Ended
19 years ago (31 Oct 2006)
|
Unavailable |
5.04
(08 Apr 2005)
|
| 4.10 'Warty Warthog' | 21 years ago (20 Oct 2004)
|
Ended
21 years ago (26 Oct 2004)
|
Ended
19 years ago (30 Apr 2006)
|
Unavailable |
4.10
(20 Oct 2004)
|
Release Cadence
Releases of Ubuntu get a development codename (“Breezy Badger”) and are versioned by the year and month of delivery — for example, Ubuntu 17.10 was released in October 2017. LTS or “Long-Term Support” releases are published every two years in April. Every six months between LTS versions, Canonical publishes an interim release of Ubuntu. See this link for more details on the Ubuntu Release Cycle.
Support Lifecycle
LTS releases are in “General Support” for 5 years and “Expanded Security Maintenance” (see below) for an additional 5 years.
Ubuntu breaks General Support into “Hardware and Maintenance updates” (2 years) followed by “Maintenance Updates” for another 3 years1.
Interim releases (non-LTS) are supported for 9 months.
Packages in main and restricted are supported for 5 years in long-term support (LTS) releases.
Ubuntu Flavors generally support their packages for 3 years in LTS releases but there are exceptions.
During the lifetime of an Ubuntu release, Canonical provides security maintenance.
Basic Security Maintenance covers binary packages that reside in the main and restricted components of the Ubuntu archive,
typically for a period of 5 years from LTS release.
Packages in universe are expected to be community-supported on a best-effort basis during the LTS phase,
but in practice, security-updates are only released to pro subscriptions.
Expanded Security Maintenance (ESM) provides security updates on Ubuntu LTS releases for an additional 5 years. It is available with the Ubuntu Pro subscription or a Free subscription for personal use2.
Ubuntu Pro offers security fixes for critical, high, and selected medium CVEs in the main and universe repositories.
Ubuntu Pro (Infra-only)3 only guarantees security fixes for packages in the main repository.
Canonical also offers Ubuntu Legacy Support, to extend the support of Ubuntu LTS releases from 14.04 by another 2 years beyond Expanded Security Maintenance (ESM). This offer is only available for Ubuntu Pro paying customers.
Support Comparison
| Feature/Plan | Ubuntu LTS | Ubuntu Pro (Infra-Only) 3 | Ubuntu Pro | Legacy Support |
|---|---|---|---|---|
| Main repository | 5 years | 10 years | 10 years | 12 years |
| Restricted repository | 5 years | 10 years4 | 10 years 4 | 12 years5 |
| Universe repository | Best Effort6 | Best Effort | 10 years | 12 years5 |
| Phone/Ticket Support | No | Yes | Yes | Yes |
| Kernel Live Patching | No | Yes | Yes | Yes |
| Security Certifications and Hardening7 | No | Yes | Yes | Yes |
| Ubuntu Landscape | No | Yes | Yes | No8 |
For package-specific support details, the following commands are available:
-
ubuntu-security-statuscommand (ubuntu-support-statuson versions before20.04) for non-ESM. -
pro security-statusfor ESM.
-
The difference between these two is unclear, and not explained. ↩
-
Anyone can use Ubuntu Pro for free on up to 5 machines, or 50 if you are an official Ubuntu Community member. ↩
-
The restricted repository isn’t explicitly listed in the Ubuntu Pro list of supported repositories, but it is likely supported. ↩ ↩2
-
The announcement for Legacy Support does not clarify which repositories are supported, so this is an estimate. ↩ ↩2
-
While promised, Canonical doesn’t seem to be backporting any security-fixes in the universe repository to users without a Pro subscription. ↩
-
This includes NIST-certified FIPS crypto-modules, USG hardening with CIS and DISA-STIG profiles, and Common Criteria EAL2. ↩
-
Ubuntu Landscape can manage all versions of Ubuntu above 16.04, and Legacy Support is limited to 14.04 for now. ↩
More information is available on the Ubuntu website.
You should be running one of the supported release numbers listed above in the rightmost column.
cat /etc/os-release
Show Product Identifiers
-
cpe:
cpe:2.3:o:canonical:ubuntu_linux -
cpe:
cpe:/o:canonical:ubuntu_linux
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