Category Archives: Linux

Vulnerability CVE-2019-19377 in Linux Kernel 5.0.21

Posted on 2019-12-04 by guenni

The Linux kernel 5.0.21 contains a use after free vulnerability CVE-2019-19377. The vulnerability documented on 29.11.2019 with a CVE number is currently awaiting analysis. Advertising

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Windows driver WinBtrfs v1.5 for Linux file system released

Posted on 2019-11-18 by guenni

[German]Short information for people who want to access Linux Btrfs disks under Windows. The Window driver WinBtrfs v1.5 has just been released. Blog reader Gero S. pointed this out to me (thanks for that). Addendum: Version 1.5 crashes the file … Continue reading →

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Ubuntu 12.04 ESM: Vulnerability in Bash

Posted on 2019-11-11 by guenni

[German]The bash shell of Ubuntu 12.04 ESM contains a vulnerability (USN-4180-1, CVE-2012-6711), that also affects Ubuntu derivatives. The vulnerability could allow attackers to infiltrate bash scripts that could cause a crash or potentially execute arbitrary code. Advertising

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Linux Kernel Bug in Wi-Fi driver puts machines at risk

Posted on 2019-10-19 by guenni

[German]Once again, a violent bug has been discovered in the Linux kernel that allows an attack on machines via Wi-Fi. Attackers can crash or even attack the machines via the vulnerability. The bug has been in the Linux kernel since … Continue reading →

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Linux: Bug in sudo allows forbidden commands as root

Posted on 2019-10-15 by guenni

[German]There is an implementation bug in older versions of the Linux command sudo. This allows commands to be executed as root, even if this is not allowed for a user. In the meantime there is an update which fixes the … Continue reading →

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CertBUND warns about a bzip2 vulnerability

Posted on 2019-07-25 by guenni

German CertBUND warns here about he vulnerability CVE-2019-12900 in the open source bzip2 (versions <= 1.0.6), which is used in Ubuntu Linux, SUSE Linux. The vulnerability allows execution of arbitrary program code with the rights of the service. SUSE has … Continue reading →

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SONiC: Microsoft’s Open Source Network OS

Posted on 2019-07-25 by guenni

[German]Microsoft is also engaged in Open Source – and they develop internally an Open Source network operating system for Cloud applications, called SONiC. Here is some information. Advertising

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Linux: Vulnerability CVE-2018-15688 in Systemd

Posted on 2018-10-29 by guenni

[German]A vulnerability in the systemd component of some Linux distributions can be exploited over the network. A single DHCPv6 package is enough to provoke a crash or more. Advertising

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FOSS LinuxBoot replaces UEFI on servers

Posted on 2018-10-14 by guenni

[German]Vendors using Linux-Servers intends to move away from proprietary hardware with UEFI, Intel ME & Co. The free LinuxBoot is the answer to the UEFI glue of the commercial manufacturers, but is limited to the server area. Here is some … Continue reading →

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Microsoft: Linux dominates Azure VMs, has Windows a future?

Posted on 2018-09-30 by guenni

[German]At the Ignite 2018 conference last week in Orlando, Florida, USA, Microsoft management released interesting figures. For virtual machines running on Microsoft Azure, there is a massive migration to Linux: 50% runs on Linux – which raises the question of … Continue reading →

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