Category Archives: Linux

Operating system/Windows share (October 2024)

Posted on 2024-10-03 by guenni

[German]I haven't addressed it for a while, but it's time again to take a quick look at the figures with regard to operating system distribution on the desktop and, in particular, Microsoft Windows distribution and distribution across all devices. How … Continue reading →

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Linux/Unix RCE vulnerabilities in CUPS (Sept. 2024)

Posted on 2024-09-28 by guenni

[German]There are several critical vulnerabilities in the CUPS printing system, which is used under Linux and Unix. Under certain circumstances, these can be used for remote code execution (RCE) attacks.

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Microsoft responds to Linux boot bricked by Windows August 2024 update

Posted on 2024-08-22 by guenni

[German]The August 2024 updates for Windows have caused collateral damage for Linux users. By switching the boot mechanism to Secure Boot Advanced Targeting (SBAT), the Linux boot loader refused to start on dual-boot systems following the update installation. Microsoft has … Continue reading →

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Windows August 2024 update 'paralyzes' Linux boot

Posted on 2024-08-21 by guenni

[German]Users who use Windows and Linux via Secure Boot on computers are likely to have a problem since August 13, 2024. Microsoft has changed something in the boot process with the August 2024 Patchday and switched boot entries from DBX … Continue reading →

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regreSSHion: Critical OpenSSH server vulnerability CVE-2024-6387

Posted on 2024-07-02 by guenni

[German]A critical vulnerability CVE-2024-6387 has been disclosed in OpenSSH servers. The vulnerability, known as regreSSHion, allows remote unauthenticated code execution – and security firms have found over 14 million potentially vulnerable OpenSSH servers on the internet. However, the risk should … Continue reading →

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Linux: Backdoor in upstream xz/liblzma; compromise of SSH servers

Posted on 2024-03-30 by guenni

[German]As of Friday, March 29, 2024, Red Hat has published a warning. The latest versions of the "xz" tools and libraries contain malicious code, a backdoor, which is apparently intended to allow unauthorized access. Affected by the backdoor (vulnerability CVE-2024-3094) … Continue reading →

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Vulnerability in GNU C Library (glibc) jeopardizes Linux distros

Posted on 2024-01-31 by guenni

[German]The Qualys Threat Research Unit (TRU) has recently uncovered four significant vulnerabilities in the GNU C Library (glibc). This library is used in countless Linux applications in common Linux distributions. The vulnerabilities allow attackers to gain root privileges on Linux … Continue reading →

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Ubuntu 24.04 LTS gets 12 year of support from Cannonical

Posted on 2024-01-22 by guenni

Cannonical wants to extend the support period for Ubuntu 24.04 LTS, which is expected in April 2024, to 12 years. The extended support period was announced by Canonical CEO Mark Shuttleworth in an interview with the YouTube channel Destination Linux … Continue reading →

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Linux kernel vulnerability CVE-2024-0193 allows root access

Posted on 2024-01-09 by guenni

[German]The vulnerability CVE-2024-0193, which allows root access, was discovered in the Linux kernel. This is a use-after-free error in the Netfilter subsystem, which was given a CVSS score of 7.8. However, the vulnerability can only be exploited by local attackers … Continue reading →

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Google Chrome 120.0.6099.62/.63 released

Posted on 2023-12-06 by guenni

[English]Google has released updates of the Google Chrome browser in the Stable Channel for Mac, Linux and Windows to version 120.0.6099.62/.63 on December 5, 2023. Version 120.0.6099.62/.63 for Mac and Windows was released in the Extended Stable Channel. The Android … Continue reading →

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