Ubuntu has announced security updates addressing vulnerabilities in libssh and File::Find::Rule, as detailed in the following security notices:

The ELevate project has introduced new upgrade pathways for users transitioning from AlmaLinux OS 9 to AlmaLinux OS 10.0, Kitten 10, and from CentOS Stream 9 to CentOS Stream 10. These pathways now also support various third-party repositories including EPEL, Docker CE, and PostgreSQL.

A security update for djvulibre has been released for Debian GNU/Linux 12 (Bookworm). This advisory, identified as DSA-5960-1, addresses a critical vulnerability (CVE-2025-53367) discovered by Antonio Morales. The vulnerability involves an out-of-bounds write in the MMRDecoder::scanruns method of the djvulibre library, which could potentially allow an attacker to execute arbitrary code when processing a specially crafted DjVu document.

The Fedora Respins Special Interest Group (SIG) has officially released the updated live ISO images for Fedora Linux version 42, designated as F42-20250701. These new ISOs come equipped with the latest kernel version 6.15.4 and include a multitude of updates that enhance system performance and security.

The GNOME project has announced the release of GNOME 49.alpha, the first unstable version in the upcoming 49 series. This alpha version introduces notable changes and improvements across various applications and system functionalities. Key applications such as Showtime (which replaces Totem), Papers (replacing Evince), and Manuals (substituting Devhelp) have successfully graduated from the Incubator program and will be included in GNOME going forward.

The latest weekly live testing images for Debian GNU/Linux 13, code-named Trixie, have been released as of July 7, 2025. These images showcase a variety of desktop environments, providing users with multiple options to suit their preferences. The available environments include:

Linus Torvalds has announced the release of the fifth release candidate for Linux Kernel 6.16, designated as 6.16-rc5. This release appears stable, with no major oddities noted by Torvalds. The majority of changes involve updates to drivers, particularly in the GPU and networking sectors, but also include modifications to USB, RTC, and platform drivers.

Debian GNU/Linux has released important security updates for two software packages: Xmedcon for Debian 11 and Thunderbird for Debian 12.

Red Hat Enterprise Linux (RHEL) has recently released multiple important security updates for the Xorg-X11-Server. These updates address vulnerabilities that could pose a security risk to systems running various versions of RHEL.

Fedora Linux has announced security updates for two key applications: Darktable and Sudo.

The Liquorix Linux Kernel 6.15-5 has been officially released by Steven Barrett. This latest version is based on the Linux kernel version 6.15.5 and is designed for enthusiasts who require an optimized kernel for low-latency tasks, particularly in audiovisual production, gaming, and interactive applications. The Liquorix kernel is compatible with popular distributions such as Debian, Ubuntu, and Arch Linux.

The Linux kernel version 6.15.5 has been officially released, providing users with the latest updates and improvements. Users can access the full source of the kernel at the provided link, as well as a patch for updates and a PGP signature for verification.

The Linux kernel version 6.12.36 has officially been released, providing users with the latest updates and improvements to the operating system.

Linux Kernel version 6.6.96 has been officially released. Users can download the full source code, patches, and PGP signatures from the provided links. The full source can be found at [this link](https://cdn.kernel.org/pub/linux/kernel/v6.x/linux-6.6.96.tar.xz), while the patch is available [here](https://cdn.kernel.org/pub/linux/kernel/v6.x/patch-6.6.96.xz), and the PGP signature can be accessed [at this link](https://cdn.kernel.org/pub/linux/kernel/v6.x/linux-6.6.96.tar.sign).

The Linux kernel version 6.1.143 has been officially released, bringing various updates and improvements to the system. Users can download the full source code, patches, and PGP signature from the provided links.

KDE neon 20250706 has officially been released, showcasing the latest developments from the KDE community. This Linux distribution is built on the Ubuntu platform and offers users the newest version of the KDE Plasma desktop environment.

SUSE Linux recently rolled out a series of security updates aimed at enhancing the security of its systems, particularly for openSUSE Tumbleweed. The updates address multiple vulnerabilities across a wide range of packages, ensuring users can maintain a secure environment.

An update for the mbedtls library has been released for Fedora Linux version 42, specifically version 3.6.4-1.fc42. This update is part of the security updates issued by Fedora and was announced on July 6, 2025. Mbed TLS is a lightweight open-source library that provides cryptographic and SSL/TLS functionalities, making it easier for developers to integrate these capabilities into their applications, particularly in embedded systems.

Summary of Linux Kernel Updates for Ubuntu Ubuntu has recently released multiple updates for the Linux Kernel addressing various vulnerabilities across its distributions. The updates, dated July 4, 2025, include critical security fixes for several kernel versions related to OEM, Intel IoT, IBM, and low-latency systems. Each update targets specific vulnerabilities that could potentially allow attackers unauthorized access or compromise system integrity.

A security update for the JPEG-XL image coding library has been issued for Debian GNU/Linux 12 (Bookworm). The update, identified as Debian Security Advisory DSA-5958-1, addresses multiple vulnerabilities that could lead to serious issues, including out-of-bounds read/write operations and stack-based buffer overflows. These vulnerabilities pose risks of excessive memory usage and potential denial of service attacks. The specific issues are associated with several CVE IDs: CVE-2023-0645, CVE-2023-35790, CVE-2024-11403, and CVE-2024-11498.