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Security Leftovers

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Security
  • Researchers Discover Intel CPU Ring Interconnects Vulnerable To Side Channel Attack

    University of Illinois researchers have discovered that Intel's CPU ring interconnects are vulnerable to exploit by side-channel attacks. This opens a whole new can of worms with the cross-core interconnect now being vulnerable to exploit but so far Intel doesn't appear to be overly concerned and there are some open questions on whether this interconnect exploit would still work with the latest Intel Xeon processors.

    The university researchers believe their new side-channel attack vector could lead to encryption keys being leaked among other sensitive information. Existing side channel mitigations don't effectively protect against this "Lord of the Ring(s)" vulnerability.

  • Wladimir Palant: How Amazon Assistant lets Amazon track your every move on the web

    I recently noticed that Amazon is promoting their Amazon Assistant extension quite aggressively. With success: while not all browsers vendors provide usable extension statistics, it would appear that this extension has beyond 10 million users across Firefox, Chrome, Opera and Edge. Reason enough to look into what this extension is doing and how.

    Here I must say that the privacy expectations for shopping assistants aren’t very high to start with. Still, I was astonished to discover that Amazon built the perfect machinery to let them track any Amazon Assistant user or all of them: what they view and for how long, what they search on the web, what accounts they are logged into and more. Amazon could also mess with the web experience at will and for example hijack competitors’ web shops.

  • ROS Kinetic and Ubuntu 16.04 EOL: how to mitigate the impact

    For more than ten years, the Robot Operating System (ROS) has been enabling innovators around the world to develop their robot platforms and applications. Through its collection of tools, libraries, and conventions, ROS simplifies the task of creating complex and robust robot behaviour.

    Ubuntu has been the primary platform for ROS from the very beginning. That is the reason why every ROS release is supported on exactly one Ubuntu LTS. A ROS distribution is a versioned set of ROS packages. Today, the ROS Kinetic release, and its corresponding Ubuntu distribution, Xenial, reach end-of-life (EOL) in April 2021. This means the end of security updates and Common Vulnerabilities and Exposures (CVE) fixes for both ROS and Ubuntu, as well as dependencies such as Python 2.

    Issues with unsupported software tend to manifest themselves in different and often unexpected ways. Continue reading to understand what the implications are for developers, explore some key considerations to prepare for the impending Xenial and Kinetic EOL, and read to the end for information about how you might stay with ROS Kinetic.

More in Tux Machines

digiKam 7.7.0 is released

After three months of active maintenance and another bug triage, the digiKam team is proud to present version 7.7.0 of its open source digital photo manager. See below the list of most important features coming with this release. Read more

Dilution and Misuse of the "Linux" Brand

Samsung, Red Hat to Work on Linux Drivers for Future Tech

The metaverse is expected to uproot system design as we know it, and Samsung is one of many hardware vendors re-imagining data center infrastructure in preparation for a parallel 3D world. Samsung is working on new memory technologies that provide faster bandwidth inside hardware for data to travel between CPUs, storage and other computing resources. The company also announced it was partnering with Red Hat to ensure these technologies have Linux compatibility. Read more

today's howtos

  • How to install go1.19beta on Ubuntu 22.04 – NextGenTips

    In this tutorial, we are going to explore how to install go on Ubuntu 22.04 Golang is an open-source programming language that is easy to learn and use. It is built-in concurrency and has a robust standard library. It is reliable, builds fast, and efficient software that scales fast. Its concurrency mechanisms make it easy to write programs that get the most out of multicore and networked machines, while its novel-type systems enable flexible and modular program constructions. Go compiles quickly to machine code and has the convenience of garbage collection and the power of run-time reflection. In this guide, we are going to learn how to install golang 1.19beta on Ubuntu 22.04. Go 1.19beta1 is not yet released. There is so much work in progress with all the documentation.

  • molecule test: failed to connect to bus in systemd container - openQA bites

    Ansible Molecule is a project to help you test your ansible roles. I’m using molecule for automatically testing the ansible roles of geekoops.

  • How To Install MongoDB on AlmaLinux 9 - idroot

    In this tutorial, we will show you how to install MongoDB on AlmaLinux 9. For those of you who didn’t know, MongoDB is a high-performance, highly scalable document-oriented NoSQL database. Unlike in SQL databases where data is stored in rows and columns inside tables, in MongoDB, data is structured in JSON-like format inside records which are referred to as documents. The open-source attribute of MongoDB as a database software makes it an ideal candidate for almost any database-related project. This article assumes you have at least basic knowledge of Linux, know how to use the shell, and most importantly, you host your site on your own VPS. The installation is quite simple and assumes you are running in the root account, if not you may need to add ‘sudo‘ to the commands to get root privileges. I will show you the step-by-step installation of the MongoDB NoSQL database on AlmaLinux 9. You can follow the same instructions for CentOS and Rocky Linux.

  • An introduction (and how-to) to Plugin Loader for the Steam Deck. - Invidious
  • Self-host a Ghost Blog With Traefik

    Ghost is a very popular open-source content management system. Started as an alternative to WordPress and it went on to become an alternative to Substack by focusing on membership and newsletter. The creators of Ghost offer managed Pro hosting but it may not fit everyone's budget. Alternatively, you can self-host it on your own cloud servers. On Linux handbook, we already have a guide on deploying Ghost with Docker in a reverse proxy setup. Instead of Ngnix reverse proxy, you can also use another software called Traefik with Docker. It is a popular open-source cloud-native application proxy, API Gateway, Edge-router, and more. I use Traefik to secure my websites using an SSL certificate obtained from Let's Encrypt. Once deployed, Traefik can automatically manage your certificates and their renewals. In this tutorial, I'll share the necessary steps for deploying a Ghost blog with Docker and Traefik.