livepatch | Ubuntu

Rajan Patel
27 June 2025

How is Livepatch safeguarded against bad actors?

Article Security

What safeguards the Livepatch security patching solution against bad actors and malicious code masquerading as an update? Learn about Secure Boot and module signing.

Rajan Patel
27 June 2025

Rajan Patel
31 March 2025

Automated patching for the Linux kernel

Article Security

To start securely and efficiently, Linux systems follow a carefully orchestrated sequence of steps to initialize firmware and manage services. Applying security patches to the software responsible for some of these early steps of Linux startup often requires a full system reboot. Frequent reboots driven by unplanned...

Rajan Patel
31 March 2025

Rajan Patel
4 March 2025

Install FreePBX and Asterisk on Ubuntu 24.04 LTS for security patches until 2036

Article Cloud and server

Deploying FreePBX and Asterisk on a single Ubuntu virtual machine in a public cloud is an ideal solution for personal users and small to medium-sized businesses with voice over IP (VoIP) and fax over IP (FoIP) needs. This setup costs nothing, is scalable and secure, and has daily recovery points with a recovery time measured

Rajan Patel
4 March 2025

Lech Sandecki
23 October 2024

6 facts for CentOS users who are holding on

Article Cloud and server

Considering migrating to Ubuntu from other Linux platforms, such as CentOS? Find six useful facts to get started!

Lech Sandecki
23 October 2024

ijlal-loutfi
13 April 2023

Livepatch has a new 13-month sliding support window – What does it mean for you?

Livepatch Security

The Livepatch tool is a valuable solution for resolving critical and high-security kernel CVEs without requiring an immediate system reboot. However, it is not a substitute for regular maintenance windows and reboots, as some CVEs still require a system reboot. Additionally, Livepatch only covers security-related kernel...

ijlal-loutfi
13 April 2023

Canonical Livepatch gets even better – Now supporting Hardware Enablement Kernels

Livepatch Security

Livepatch allows Ubuntu users to fix critical and high kernel vulnerabilities at runtime, which reduces the need for unplanned reboots. Until now, Livepatch has only been available for Long-Term Release (LTS) kernels, but starting with the release of Ubuntu’s interim release of 23.04 Lunar Lobster in April 2023, it will...

ijlal-loutfi
13 April 2023

Rajan Patel
28 February 2022

An overview of live kernel patching

Article Cloud and server

Learn how Canonical improves security on Linux with live kernel patching. Track Livepatch activity over time in Landscape.

Rajan Patel
28 February 2022

Hugo Huang
22 November 2021

FIPS on Google Cloud

Article Cloud and server

In August 2016, the United States government announced a new federal source-code policy, which mandates that at least 20% of custom source code developed by or for any agency of the federal government must be released as open-source software (OSS). The memo of this policy also states that the Federal Government spends...

Hugo Huang
22 November 2021

Canonical
14 September 2021

Ubuntu Livepatch on-prem reduces downtime and unplanned work on enterprise environments!

Article Canonical announcements

London, United Kingdom – Canonical announces Ubuntu Livepatch on-prem, an enhancement to its Ubuntu Livepatch service enabling organisations to take control of their kernel livepatching policy. Designed for complex enterprise environments that follow their own patch rollout policy, Ubuntu Livepatch on-prem provides the...

Canonical
14 September 2021

Nikos Mavrogiannopoulos
13 September 2021

Managing Livepatch on-prem

Article Cloud and server

Ubuntu Livepatch is the service and the software that enables organizations to quickly patch vulnerabilities on the Linux kernel. It enables uninterrupted service while reducing fire drills during high and critical severity kernel vulnerabilities. With Ubuntu Livepatch on-prem we enhance our service to enable...

Nikos Mavrogiannopoulos
13 September 2021

Nikos Mavrogiannopoulos
9 July 2021

Linux kernel Livepatching

Article Cloud and server

Ubuntu Livepatch is the service and the software that enables organizations to quickly patch vulnerabilities on the Ubuntu Linux kernels. Livepatch provides uninterrupted service while reducing fire drills during high and critical severity kernel vulnerabilities. It is a complex technology and the details can be...

Nikos Mavrogiannopoulos
9 July 2021

Canonical
26 March 2021

Livepatch 2021-03-24 incident investigation report

Article Canonical announcements

Description A defective livepatch for kernel 4.4 in Ubuntu 16.04 LTS (Xenial) was not caught in internal testing processes because the defect was a race condition, triggered by workload-specific behaviour, under load. The livepatch would cause the madvise system call to block indefinitely, and thus cause lockup to the...

Canonical
26 March 2021

Kris Sharma
12 January 2021

PostgreSQL: The PgMiner botnet attacks & Postgres database security

Article Ubuntu

Assuring the security of PostgreSQL and all open source database systems is critical as many learned with the PgMiner botnet attacks in December 2020. Having an understanding of, and visibility into, how these attacks happen and following standard best practices is the best way to make sure that your data is not at risk. This

Kris Sharma
12 January 2021

Lech Sandecki
8 December 2020

Ubuntu 16.04 LTS upgrade vs extended security maintenance

Article Ceph

Weighing the options with an Ubuntu 16.04 upgrade Ubuntu 16.04 LTS Xenial Xerus is transitioning from its five-year standard security maintenance window in four months, leaving many asking the question: can I manage an Ubuntu 16.04 LTS upgrade by April 2021, or do I need more time to plan this migration? In the Less than

Lech Sandecki
8 December 2020

Blog posts tagged "livepatch"

Blog posts tagged
"livepatch"