CachyOS has officially released the April 2025 Fixup Release, a significant update aimed at addressing bugs from the previous version. This update specifically targets kernel-related issues that have been reported by users. One of the key new features is the inclusion of the OCCT tool, which allows users to utilize the ISO as an isolated stress testing environment. This feature was suggested by community member @kaitokariheddo, and the developers of OCCT played a crucial role in ensuring its successful integration into CachyOS.

AlmaLinux has released updates for several crucial components, including OpenJDK, OpenIDC, and WebKit2GTK3, aimed at enhancing security across its versions. The updates include:

SUSE Linux has released critical and moderate security updates for various components, including `erlang26`, `erlang`, and `govulncheck-vulndb`, to address vulnerabilities.

Ubuntu Security Updates Summary:

The Debian Extended LTS (ELTS) has released an important security update for the libxstream-java package, which is used for serializing Java objects to XML and vice versa. This update, identified as ELA-1402-1, is applicable to Debian GNU/Linux versions 8 (Jessie) and 10 (Buster).

Fedora Linux 42 has recently undergone updates including critical security enhancements for several key software packages: Moodle, OpenIKED, and Traffic Server.

The OpenShift Container Platform 4.18.10 has been updated for Red Hat Enterprise Linux, incorporating critical security updates, bug fixes, and enhancements. This update is categorized under two security advisories:

Fedora Linux 41 has recently implemented a series of security updates across various packages, enhancing the system's stability and security. This update includes crucial packages such as giflib, perl-Devel-Cover, perl-PAR-Packer, rpki-client, ruby, and python-notebook, among others. The updates address several security vulnerabilities, improving the performance and safety of applications.

Ubuntu has announced the release of updated Eclipse Mosquitto packages to address several critical security vulnerabilities. One significant issue involves the improper handling of memory by the Mosquitto client when it receives a SUBACK packet, which could allow an attacker to execute arbitrary code or cause a denial of service (DoS). Additionally, there was a problem with the Mosquitto broker that could lead to a DoS if a malicious client exploited the memory management flaws, specifically affecting Ubuntu versions 22.04 LTS and 24.04 LTS.

ChimeraOS has announced the release of its latest pre-release version, dated April 21, 2025, identified by the build number 8a4f21f. This new version of the ChimeraOS install media is now available for download on GitHub. Notably, the community repository has been removed in this update, indicating a shift in how the software will be maintained or distributed.

Debian GNU/Linux has rolled out critical security updates for several packages, including fig2dev, wget, and transfig. These updates address various vulnerabilities identified in the software, ensuring enhanced security for users.

AlmaLinux 9 has recently received updates that address two critical security vulnerabilities: one related to the kernel and another concerning the libxslt library. These updates are essential for maintaining system integrity and security.

KDE neon has announced the release of its latest version, KDE neon 20250420, which is built on KDE Plasma 6.3.4 and is based on Ubuntu 20.04, following the recent Long Term Support Release. This Linux distribution is designed to provide users with the latest features of the KDE Plasma desktop environment while ensuring a stable and continuous integration experience.

Steven Barrett has announced the release of the Liquorix Linux Kernel 6.14-5, based on Linux kernel version 6.14.3. The Liquorix kernel is designed specifically for enthusiasts, focusing on low-latency performance tailored for audiovisual production, gaming, and interactive applications. It is compatible with Debian, Ubuntu, and Arch Linux distributions.

An update has been released for Ubuntu 20.04 LTS to address a regression in the ImageMagick package, as outlined in Ubuntu Security Notice USN-7440-1, dated April 16, 2025. The update resolves issues stemming from a previous vulnerability fix (USN-6200-2) related to CVE-2023-34151, which was incomplete and could potentially lead to memory handling issues. If exploited, this vulnerability could allow attackers to cause a denial of service or other unspecified impacts when a user opens a specially crafted image file.

Linus Torvalds has announced the release of Linux Kernel 6.15-rc3, the third release candidate of this version, primarily focusing on minor fixes. The significant updates revolve around addressing issues with the ublk driver and its self-tests. Despite a large merge window, the release appears stable with no major problems reported.

Fedora Linux has recently released significant updates that enhance security and improve various software packages. Key updates include the latest versions of Chromium, RPKI-Client, and Python-Notebook among others. The updates address multiple vulnerabilities, ensuring a more secure and stable user experience.

Erlang packages have received critical updates for Debian GNU/Linux 11 (Bullseye) LTS and 12 (Bookworm) to address vulnerabilities in the SSH protocol. Two security advisories, DSA-5906-1 and DLA-4132-1, have been issued detailing these updates.

OpenSUSE has released an important security update for SUSE Linux Enterprise 15 SP6 that addresses two critical vulnerabilities found in Chromium version 135.0.7049.95. The update is identified as openSUSE-SU-2025:0133-1 and targets a heap buffer overflow in Codecs (CVE-2025-3619) and a use-after-free issue in USB (CVE-2025-3620).

The Linux kernel version 6.13.12 has officially been released, marking the end of life (EOL) for this particular version. Users can access the full source code, patches, and PGP signatures through the provided links: