---
title: Blog posts tagged "14.04"
description: Canonical makes open source secure, reliable and easy to use, providing
  support for Ubuntu and a portfolio of enterprise-grade technologies. Founded in
  2004, Canonical operates globally with team members in over 80 countries.
url: https://canonical.com/blog/tag/14-04?format=md
---

# Blog posts tagged "14.04"

#### [What lies on the second phase of Ubuntu LTS? Two years of Ubuntu 14.04 in ESM](https://canonical.com/blog/what-lies-after-lts-two-years-of-ubuntu-14-04-in-esm)

Two years ago, we launched the Extended Security Maintenance (ESM) phase of Ubuntu 14.04, providing access to CVE patches through an Ubuntu Advantage for Infrastructure free or paid subscription. This phase extended the lifecycle of Ubuntu 14.04 LTS, released in April 2014, to a total of ten years, ending in April 2024. During the ESM

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Security

#### [Ubuntu updates for TCP SACK Panic vulnerabilities](https://canonical.com/blog/mitigations-for-tcp-sack-panic-vulnerabilities)

Issues have been identified in the way the Linux kernel’s TCP implementation processes Selective Acknowledgement (SACK) options and handles low Maximum Segment Size (MSS) values. These TCP SACK Panic vulnerabilities could expose servers to a denial of service attack, so it is crucial to have systems patched. Updated versions of the Linux

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Cloud and server

#### [Ubuntu updates to mitigate new Microarchitectural Data Sampling (MDS) vulnerabilities](https://canonical.com/blog/ubuntu-updates-to-mitigate-new-microarchitectural-data-sampling-mds-vulnerabilities)

Microarchitectural Data Sampling (MDS) describes a group of vulnerabilities (CVE-2018-12126, CVE-2018-12127, CVE-2018-12130, and CVE-2019-11091) in various Intel microprocessors, which allow a malicious process to read various information from another process which is executing on the same CPU core. This occurs due to the use of various m

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Cloud and server

#### [Ubuntu 14.04 LTS has transitioned to ESM support](https://canonical.com/blog/ubuntu-14-04-esm-support)

Extended Security Maintenance (ESM) is now available for Ubuntu 14.04 LTS to provide ongoing security patches for high and critical CVEs for UA Infrastructure customers.

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Cloud and server

#### [How to ensure the ongoing security and compliance of Ubuntu 14.04 LTS ‘Trusty Tahr’](https://canonical.com/blog/ensure-ongoing-security-compliance-ubuntu-14-04)

As 14.04 reaches the end of its five-year, Standard Security Maintenance, LTS window in April 2019, support for the OS is transitioning into a new phase – Extended Security Maintenance (ESM).

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Cloud and server

#### [Ubuntu 14.04 LTS Trusty Tahr Extended Security Maintenance](https://canonical.com/blog/ubuntu-14-04-trusty-tahr)

Ubuntu 14.04 LTS – As 14.04 reaches the end of its five-year LTS window in April 2019, Ubuntu 14.04 LTS ‘Trusty Tahr’ transitions to Extended Security Maintenance (ESM). ESM is a feature available through Ubuntu Advantage, Canonical’s commercial support package. ESM as a stand-alone addition was available for 12.04 only. Contact the Ubunt

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Desktop