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.

Release of GNU Mes 0.23, a tool for self-sufficient building of distributions

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After a year of development, GNU Mes 0.23 has been released, providing the bootstrap process for GCC and enabling a closed-loop rebuild from source code. This toolkit addresses the challenge of verified initial compiler builds in distributions by breaking the cycle of circular rebuilding (where an already built compiler’s executables are required to build the compiler, and binary compiler builds can be a source of hidden backdoors, […]

Release of LeoCAD 21.03, a modeling environment in the style of Lego

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The release of the automated design environment LeoCAD 21.03 has been announced, aimed at creating virtual models composed of Lego-style parts. The program's code is written in C++ using the Qt framework and is distributed under the GPLv2 license. Pre-built binaries are available for Linux (AppImage), macOS, and Windows. The program combines a simple interface that allows newcomers to quickly get acquainted with the modeling process with […]

Release of Chrome OS 89, timed to the 10th anniversary of the Chromebook project

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The release of the Chrome OS 89 operating system has taken place, based on the Linux kernel, the upstart system manager, and ebuild/portage build tools, featuring open components and the Chrome 89 web browser. The user environment of Chrome OS is limited to the web browser, and instead of standard applications, web applications are used; however, Chrome OS includes a fully functional multi-window interface, desktop, and taskbar. The Chrome OS 89 build […]

Canonical will extend support for Ubuntu 16.04 for paying subscribers.

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Canonical has warned of the approaching end of the five-year update release period for the Ubuntu 16.04 LTS distribution. Official public support for Ubuntu 16.04 will cease on April 30, 2021. For users who cannot transition their systems to Ubuntu 18.04 or 20.04 in time, as with previous LTS releases, the ESM (Extended Security Maintenance) program is offered to extend publication […]

Flatpak 1.10.2 update addresses a vulnerability affecting sandbox isolation.

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A corrective update for the Flatpak 1.10.2 toolkit, which enables the creation of self-contained packages, has been released, fixing a vulnerability (CVE-2021-21381) that allowed a package author to bypass the established sandbox isolation mode and access files on the host system. This issue has been present since release 0.9.4. The vulnerability is caused by a flaw in the implementation of the file forwarding function, which enables access manipulation […]

Vulnerability in the Linux kernel iSCSI subsystem allows privilege escalation.

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A vulnerability (CVE-2021-27365) has been discovered in the iSCSI subsystem code of the Linux kernel, allowing an unprivileged local user to execute code at the kernel level and gain root privileges in the system. A working prototype exploit is available for testing. The vulnerability has been resolved in Linux kernel updates 5.11.4, 5.10.21, 5.4.103, 4.19.179, 4.14.224, 4.9.260, and 4.4.260. Kernel package updates are available in Debian, Ubuntu, SUSE/openSUSE distributions, […]

Google demonstrated the exploitation of Spectre vulnerabilities via JavaScript execution in the browser.

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Google has released several exploit prototypes demonstrating the potential exploitation of Spectre-class vulnerabilities when executing JavaScript code in the browser, circumventing previously added protective measures. Exploits can be used to gain access to the memory of the process handling web content in the current tab. A site called leaky.page has been launched for testing the exploit, with the code detailing the logic of operation available on GitHub. The proposed […]

Chrome 89.0.4389.90 update addresses a 0-day vulnerability.

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Google has released Chrome version 89.0.4389.90, which addresses five vulnerabilities, including issue CVE-2021-21193, already being exploited by attackers (0-day). Details have not been disclosed, but it is known that the vulnerability is caused by access to a freed memory area in the JavaScript engine Blink. The issue has been assigned a high, but not critical, severity level, indicating that the vulnerability does not allow for bypassing […]

Release of Wine 6.4

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An experimental release of the open implementation of WinAPI — Wine 6.4 has occurred. Since the release of version 6.3, 38 bug reports have been closed and 396 changes have been made. The most significant changes include: Added support for the DTLS protocol. In DirectWrite, support has been implemented for manipulating font sets (FontSet), defining filters for font sets, and calls to GetFontFaceReference(), GetFontSet(), and GetSystemFontSet(), allowing retrieval of information about […]

Spring update of ALT p9 starter kits

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The eighth release of the starter kits on the Ninth Alt platform is ready. These images are suitable for experienced users who prefer to define the application package list independently and configure the system (up to creating their own derivatives) to start working with a stable repository. They are distributed as composite works under the GPLv2+ license. Options include a basic system and one of the desktop environments […]

RZD is transitioning some workstations to Astra Linux

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Russian Railways is transitioning part of its infrastructure to the Astra Linux platform. A total of 22,000 licenses for the distribution have already been purchased — 5,000 licenses will be used for migrating the automated workplaces of employees, while the rest will be for building a virtual infrastructure for workplaces. The migration to Astra Linux will begin this month. The implementation of Astra Linux into the infrastructure of Russian Railways will be handled by JSC […]

GitLab stops using the default name 'master'

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Following GitHub and Bitbucket, developers of the GitLab collaborative development platform have announced the discontinuation of the use of the word "master" for main branches, in favor of the word "main". The term "master" has recently been deemed politically incorrect, as it alludes to slavery and is perceived by some members of the community as offensive. The change will be made both in the GitLab.com service and after updating the GitLab platform for […]

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