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Linux Security Week: February 15th, 2021
3 - 5 min read
Thank you for reading our Linux Security Week newsletter! In this weekly newsletter, we strive to provide readers with a comprehensive overview of the week's most relevant open source security news. We want to provide you with the type of content you are interested in, and would love to hear your thoughts on this week's articles.
Open-Source Kernel Security Technologies - Kernel security is a key determinant of overall system security. From the threats you should be aware of to the initiatives and technologies designed to reinforce and enhance the security of the Linux kernel, here's what you need to know.
Like any OS, Linux and Unix OSes require regular patching - but as security professionals, ethical hackers, and criminal hackers will tell you, regular Linux and Unix patching is often neglected. Learn about a new critical rated Linux\Unix vulnerability you can't afford to ignore.
The Document Foundation has released the LibreOffice 7.1 open-source and cross-platform office suite for all supported platforms - a major release that introduces an array of new features and improvements.
The Debian Project has released Debian GNU/Linux 10.8 as the eighth ISO release for the stable Debian GNU/Linux 10 Buster OS series. This release comes with 45 security updates and 56 updated packages with miscellaneous bug fixes, including the recently released Linux kernel security update addressing 11 flaws, as well as a patch for the recent sudo vulnerability.
Canonical has released a new Linux kernel security update for its Ubuntu 20.10 (Groovy Gorilla) and Ubuntu 20.04 LTS (Focal Fossa) systems to address a single security vulnerability that could allow a local attacker to crash the system by causing a denial of service (DoS) or run programs as an administrator (root).
This LinuxSecurity.com article featured on the frontpage of Slashdot examines the concept of geo filtering and how it could add a valuable layer of security to your firewall , and explores how the Geolocation for nftables project is leveraging Open Source to provide intuitive, customizable geo filtering on Linux.
"Considering the irreparable harm that can be inflicted on users targeted by malware on a permissive SELinux environment, we strongly suggest everyone keep it on enforcing unless absolutely necessary." Learn why you should be wary of installing modules and applications that set SELinux to permissive.