ProHoster > Articles on: Yuri Gagarin

Author: Yuri Gagarin

A technical specialist at ProHoster with over six years of experience in server administration, VPN solutions, and network security. I manage infrastructure setup and support, monitor service stability, and implement solutions to protect client data. I also contribute to performance optimization and compliance with modern security and privacy requirements.

A vulnerability in the Linux kernel allows for local exploitation through nftables.

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A vulnerability has been discovered in the Netfilter subsystem (CVE-2023-6817) that could theoretically be exploited by a local user to elevate their privileges in the system. The root of the problem lies in the use of freed memory (use-after-free) in the nf_tables module, which is responsible for the functionality of the nftables packet filter. The vulnerability is present starting from Linux kernel version 5.6. A fix has been proposed in the test release of Linux kernel 6.7-rc5 and incorporated into […]

A JIT compiler has been proposed for Python, utilizing the copy-and-patch technique

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Brandt Bucher from Microsoft, a core developer of CPython and a member of the team focused on enhancing the performance of the CPython interpreter, has published an implementation of a JIT compiler for Python using the Copy-and-Patch technique. The JIT release coincides with Christmas, and the announcement is written in verse. The proposed JIT is notable for its extremely high code generation speed, ease of maintenance, and complete integration with the interpreter. The suggested method […]

Local vulnerability in the Linux kernel, exploited through nftables.

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A vulnerability has been detected in the Netfilter subsystem (CVE-2023-6817) that potentially allows a local user to elevate their privileges in the system. The issue is caused by access to memory after it has been freed (use-after-free) in the nf_tables module, which ensures the operation of the nftables packet filter. The vulnerability manifests starting from Linux kernel version 5.6. A fix for the vulnerability has been proposed in the test release of Linux kernel 6.7-rc5 and transferred to the current stable branches […]

The release of the LibreELEC 11.0.4 distribution for creating home theaters.

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The release of LibreELEC 11.0.4 has been published, developing a fork of the OpenELEC distribution for creating home theaters. The user interface is based on the Kodi media center. Images for USB drive or SD card usage (32- and 64-bit x86, Raspberry Pi 2/3/4/5, various devices on Rockchip, Allwinner, NXP, and Amlogic chips) are prepared for download. The build size for the x86_64 architecture is 227 MB. During […]

Launching the Aliendalvik Android environment in Linux distributions from Sailfish

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Jonas Dressler from the GNOME project, which develops the GNOME Shell edition for mobile devices, has published work that allows the Aliendalvik (AppSupport) environment to run on standard Linux distributions. Aliendalvik serves as a layer for the Sailfish mobile platform, enabling the execution of applications written for the Android platform. During the reverse engineering process, patches were prepared for the Mutter composite server, scripts, and bindings […]

ttyplot 1.6.0

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After more than a month of development, a small command-line utility named ttyplot, written in C using the ncurses library and released under the Apache-2.0 license, has been launched. The utility is designed for plotting real-time graphs by obtaining data from stdin / pipe. Changelog: improved stability; added support for outputting multibyte characters; fixed bugs; other changes. Source: linux.org.ru

Update of Mozilla Common Voice voice data 16.0

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Mozilla has updated the Common Voice voice data sets, which include pronunciation samples from over 200,000 people. The data is released as public domain (CC0). The proposed sets can be used in machine learning systems to build speech recognition and synthesis models. Compared to the previous update, the volume of speech material in the collection has increased from 28.7 to 30.3 thousand hours of speech, from […]

Fedora plans to merge the contents of the directories /usr/bin and /usr/sbin

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In the release of Fedora 40, it is proposed to merge the contents of the /usr/bin and /usr/sbin directories, replacing the /usr/sbin directory with a symbolic link pointing to /usr/bin. The transformation of /bin and /sbin into symbolic links to /usr/bin and /usr/sbin was carried out in 2012 in Fedora 17. After consolidating all executable files in one location, references to the /usr/sbin directory will be removed from the environment variable […]

Release of the Enlightenment 0.26 desktop environment and EFL 1.27 libraries

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After a year and a half of development, the release of the Enlightenment 0.26 user environment, which is based on the EFL (Enlightenment Foundation Library) and Elementary widgets, has occurred. The release is available in source code form, and packages for distributions have not yet been formed. The desktop in Enlightenment is composed of such components as a file manager, a set of widgets, an application launcher panel, and a set of graphical configurators. Enlightenment is very flexible […]

Apache OpenOffice 4.1.15

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On December 22, 2023, a new version of the open-source office suite Apache OpenOffice was quietly released, available for Linux, macOS, and Windows in 41 languages. Some new features of this version include: Basic: fixed an error in the help for the len function; Writer: the first line indent of 2 characters is automatically set for Chinese; Calc: fixed a saving error […]

LSP Plugins 1.2.14

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The LSP Plugins project celebrates its eighth anniversary and releases a new version — 1.2.14! The plugins are designed for sound processing in mixing and mastering audio recordings, in live performances, as well as for broadcasting and podcasting. The package is compatible with LADSPA, LV2, LinuxVST, CLAP formats, and also offers standalone versions with JACK support. In this version: A series of new plugins have been released […]

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