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A vulnerability in the Linux kernel that allows bypassing Lockdown mode restrictions.

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A vulnerability has been identified in the Linux kernel (CVE-2022-21505) that easily circumvents the Lockdown protection mechanism, which restricts root user access to the kernel and blocks UEFI Secure Boot bypass paths. To exploit this, the kernel's IMA (Integrity Measurement Architecture) subsystem can be used, which is designed to verify the integrity of operating system components via digital signatures and hashes. In lockdown mode, access to /dev/mem is restricted […]

Release of VirtualBox 6.1.36

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Oracle has released a corrective update for the VirtualBox virtualization system version 6.1.36, which includes 27 fixes. Key changes: Addressed a potential kernel crash of the guest system with Linux when enabling the ‘Speculative Store Bypass’ protection mode for a single vCPU VM. Resolved a mouse usage issue in the virtual machine configuration dialog that occurs when using KDE. Improved update performance […]

The release of nomenus-rex 0.7.0, a utility for batch renaming files.

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A new release of Nomenus-rex is available, a console utility for batch file renaming. It can be configured using a simple configuration file. The program is written in C++ and is distributed under the GPL 3.0 license. Since the last news, the utility has gained functionality and numerous bugs and issues have been fixed: New rule: "file creation date". The syntax is similar to the Date rule. A significant amount of boilerplate code has been removed. Notable […]

Release of nginx 1.23.1 and njs 0.7.6

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The release of the main branch nginx 1.23.1 has been formed, continuing the development of new features. The parallel stable branch 1.22.x only includes changes related to fixing serious bugs and vulnerabilities. Next year, a stable branch 1.24 will be formed based on the main branch 1.23.x. Changes include: Optimization of memory consumption in SSL proxy configurations. In the directive […]

The toolkit for decoding Intel microcode has been released

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A group of security researchers from the uCode team have published source texts for decrypting Intel microcode. The Red Unlock technique, developed by the same researchers in 2020, can be used to extract the encrypted microcode. The proposed microcode decryption capability allows for the exploration of the internal structure of the microcode and the implementation methods of x86 machine instructions. Additionally, the researchers have restored the update format for the microcode, the encryption algorithm, and the key, […]

Release of the graph-oriented DBMS Nebula Graph 3.2

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The release of the open-source database Nebula Graph 3.2 has been published, designed for the efficient storage of large sets of interconnected data forming a graph that can contain billions of nodes and trillions of connections. The project is written in C++ and is distributed under the Apache 2.0 license. Client libraries for accessing the database are available for Go, Python, and Java. The database employs a distributed […]

Update of Qubes OS 4.1.1, utilizing virtualization for application isolation.

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An update for the Qubes operating system 4.1.1 has been formed, implementing the idea of using a hypervisor for strict isolation of applications and OS components (each class of applications and system services operates in separate virtual machines). The system requires 6 GB of RAM and a 64-bit Intel or AMD CPU with support for VT-x with EPT/AMD-v with RVI and VT-d/AMD IOMMU, ideally […]

The Asahi Linux distribution has implemented initial support for Apple devices with the M2 chip.

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The developers of the Asahi project, aimed at porting Linux to run on Apple computers equipped with ARM chips, have published the July update of the distribution, allowing anyone interested to assess the current level of project development. Among the most notable improvements in the new release is the implementation of Bluetooth support, availability for Mac Studio devices, and initial support for the new Apple M2 chip. Asahi Linux […]

An experiment to improve the efficiency of the cat utility

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Ariadne Conill, the creator of the Audacious music player, initiator of the IRCv3 protocol development, and leader of the Alpine Linux security team, conducted research on how to optimize the cat utility, which outputs one or multiple files to the standard output stream. To improve the performance of cat in Linux, two optimization options have been proposed, based on using the system calls sendfile and splice […]

Firefox has introduced basic PDF editing features

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In the nightly builds of Firefox, from which the release of Firefox 104 will be formed on August 23, an editing mode has been added to the built-in PDF document viewer, offering features such as freehand annotations and comment attachments. To enable the new mode, a parameter pdfjs.annotationEditorMode has been proposed on the about:config page. Until now, the built-in capabilities of Firefox […]

The Xfce window manager xfwm4 has been ported to work with Wayland

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Within the xfwm4-wayland project, an independent enthusiast is developing a version of the xfwm4 window manager adapted for the Wayland protocol and ported to the Meson build system. Support for Wayland in xfwm4-wayland is provided through integration with the wlroots library, developed by the Sway desktop environment creators, which offers essential functions for running a compositing manager based on Wayland. Xfwm4 is utilized in the Xfce desktop environment […]

Release of the T2 SDE 22.6 meta-distribution

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The release of the T2 SDE 21.6 meta-distribution has taken place, providing an environment for creating custom distributions, cross-compiling, and maintaining current package versions. Distributions can be built based on Linux, Minix, Hurd, OpenDarwin, Haiku, and OpenBSD. Among the popular distributions built on the T2 system is Puppy Linux. The project offers basic bootable ISO images with minimal graphical environments in various […]

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