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Blog posts tagged
"livepatch"

Nikos Mavrogiannopoulos
13 September 2021

Managing Livepatch on-prem

Cloud and server Article

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 enterprises manage on private ...

Nikos Mavrogiannopoulos
9 July 2021

Linux kernel Livepatching

Cloud and server Article

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 confusing, so in this post ...

Canonical
26 March 2021

Livepatch 2021-03-24 incident investigation report

Canonical announcements Article

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 processes using the ...

Kris Sharma
12 January 2021

PostgreSQL: The PgMiner botnet attacks & Postgres database security

Ubuntu Article

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 ...

Lech Sandecki
8 December 2020

Ubuntu 16.04 LTS upgrade vs extended security maintenance

Ceph Article

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
10 December 2019

CVE patching alone is not making your Linux secure

Ubuntu Article

Would you like to enhance your Linux security? Do you wonder what factors should be considered when evaluating your open source security from both – the infrastructure and the application perspectives? Are you keen to learn the Ubuntu security team approach? I’ve learned that CVE patching is indeed an important puzzle, but without a struc ...

Canonical
4 December 2019

Canonical announces Ubuntu Pro for Amazon Web Services

Canonical announcements Article

New premium Ubuntu images with extended security, kernel live patching and more 4th December 2019 – Canonical today announced the availability of Ubuntu Pro images for Amazon Web Services (AWS). Available via AWS Marketplace, covering Ubuntu 14.04 LTS, 16.04 LTS and 18.04 LTS, these new premium images allow enterprises to purchase extende ...

Canonical
5 November 2019

Access ESM, now free to the community, via the updated Ubuntu Advantage client

Cloud and server Article

Canonical is happy to announce that all community users are entitled to a free Ubuntu Advantage for Infrastructure account for access to Extended Security Maintenance (ESM) and Kernel Livepatch* for Ubuntu 14.04 LTS (Trusty Tahr) for up to three machines, and up to 50 machines for all official Ubuntu Members. ESM provides fixes for high ...

Lech Sandecki
22 October 2019

How Ubuntu Advantage for Infrastructure delivers top-notch Linux security

Ubuntu Article

Linux security is central to each release of Ubuntu, the most widely-used Linux distribution. With Ubuntu’s predictable six-month release cycle, users know when to expect the latest upstream open source capabilities and security. Long Term Support (LTS) vs Interim releases Every two years in April, a Long Term Support (LTS) release is pub ...

Canonical
9 August 2019

Enhanced Livepatch desktop integration available with Ubuntu 18.04.3 LTS

Desktop Article

Ubuntu 18.04.3 LTS has just been released. For the Desktop, newer stable versions of GNOME components have been included, as well as a new feature – Livepatch desktop integration. As usual with LTS point releases, the main changes are a refreshed hardware enablement stack (newer versions of the kernel, xorg & drivers) and a number ...

Canonical
5 July 2019

Ubuntu updates for TCP SACK Panic vulnerabilities

Cloud and server Article

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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