Ubuntu Users Get New Kernel Security Updates, Three Vulnerabilities Patched

The new Ubuntu kernel security update addresses CVE-2022-29581, a use-after-free vulnerability discovered by Kyle Zeng in the Network Queuing and Scheduling subsystem that could allow a local attacker to cause a denial of service (system crash) or execute arbitrary code. It also patches CVE-2022-30594, a security issue discovered by Jann Horn where the Linux kernel improperly enforces seccomp restrictions in some situations, thus allowing a local attacker to bypass seccomp sandbox restrictions.

Software: New Release of nginx and Some Software Reviews/Overviews

• nginx-1.22.0

  nginx-1.22.0 stable version has been released, incorporating new features and bug fixes from the 1.21.x mainline branch — including hardening against potential requests smuggling and cross-protocol attacks, ALPN support in the stream module, better distribution of connections among worker processes on Linux, support for the PCRE2 library, support for OpenSSL 3.0 and SSL_sendfile(), improved sendfile handling on FreeBSD, the mp4_start_key_frame directive, and more.

• Workspaces is a useful app to manage your development workspace

  Developers often work with several apps and windows at the same time, he requires the IDE or text editor top be open, a file manager, a web browser on certain pages, and a terminal, or more than one terminal.

• dog – Alternative to dig command in Ubuntu Linux for DNS lookup – OSNote

  You must have heard and used the dig command in Linux for DNS lookup. Alternative to that, there is a dog command which is an open-source tool with a beautiful interface used for DNS lookup. Its output is very attractive with different colors provided in Json format. It supports the DNS-over-TLS and DNS-over-HTTPS protocols.

• pdfgrep: Use Grep Like Search on PDF Files in Linux Command Line - It's FOSS

  Even if you use the Linux command line moderately, you must have come across the grep command. Grep is used to search for a pattern in a text file. It can do crazy powerful things, like search for new lines, search for lines where there are no uppercase characters, search for lines where the initial character is a number, and much, much more. Check out some common grep command examples if you are interested. But grep works only on plain text files. It won’t work on PDF files because they are binary files. This is where pdfgrep comes into the picture. It works like grep for PDF files. Let us have a look at that.

• Mini Diary: the stylish cool journaling app is no longer maintained

  Mini Diary is a beautiful open-source journaling app that comes with a dozen of handy features for anyone who takes daily journals. Although, the app gains a momentum, due to its usability and fancy look, the developers stopped to maintain and develop it. Today we will go through its features, and how does it look like, to help anyone who is interested in creating a similar experience.

Red Hat / IBM Leftovers

• Key takeaways from Red Hat Summit 2022

  The 2022 Red Hat Summit was held on May 10-11 and covered a number of customer, partner and industry expert approaches in open source technology delivery. Red Hat has seen a lot of growth and market share when it comes to enterprise Linux. The innovation demonstrated at Red Hat Summit 2022 shows continued growth, not just when it comes to the OS, but also in ways that address organizational challenges such as skills gaps, edge growth and modernization across the ecosystem. The shift in Red Hat's CentOS strategy caused disruption in the market for those using CentOS in production. However, Red Hat's advancements and forward-thinking direction seem to be addressing customers' biggest challenges. Market adoption will ultimately dictate the success of their strategy.

• Version 251 of systemd coming soon to a Linux distro near you

  Version 251 of the controversial systemd Linux init system is here, and you can expect it to feature in the next version of your preferred distro. The unified system and service manager for Linux continues to grow and develop, as does Linux itself. There is a comprehensive changelog on Github, so we will just try to pick out a few of the highlights. New releases of systemd appear roughly twice a year, so the chances are that this will appear in the fall releases of Ubuntu and Fedora. The new version now uses the GCC compiler's C11-with-GNU-extensions standard, nicknamed gnu11. This brings it into line with the Linux kernel itself, which uses the same standard as of version 5.18 – in turn facilitated by kernel 5.15 moving the minimum required GCC version to 5.1.

• How intelligent applications can benefit from streams processing technology (Apache Kafka)

  The creation and delivery of intelligent and stream-based applications requires having a robust streaming platform that can support ingesting and transforming large amounts of data at a fast pace. Red Hat OpenShift Streams for Apache Kafka can support enterprise organizations in solving digital experiences challenges. This article is part of a series that offers technical solutions to commonly known use cases, such as replacing batch data with real-time streams processing, streamlining application modernization and managing event-driven architectures.