Package Management

Debian 11 — powerline-gitstatus — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — powerline-gitstatus — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 21 February 2023 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2022-42906 Upstream summary: powerline-gitstatus (aka Powerline Gitstatus) before 1.3.2 allows arbitrary code execution. git repositories can contain per-repository configuration that changes the behavior of git, including running arbitrary […]

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How to Set Up Spinnaker on Oracle Linux 9 — step-by-step Oracle Linux 9 tutorial on Progressive Robot

How to Set Up Spinnaker on Oracle Linux 9

Introduction Setting up set up spinnaker on oracle linux 9 on a Oracle Linux 9 server is a common task for system administrators, DevOps engineers, and site reliability engineers. This guide explains how to Set Up Spinnaker on Oracle Linux 9, with all the commands you need, the SELinux and firewalld considerations to keep in […]

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Ubuntu 16.04 — quagga — multiple vulnerabilities (11 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — quagga — multiple vulnerabilities (11 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 21 February 2023 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6432-1 Related CVEs: CVE-2023-41358 CVE-2023-41360 CVE-2018-5378 CVE-2018-5379 CVE-2018-5380 CVE-2018-5381 CVE-2017-16227 CVE-2017-5495  +3 more Upstream summary: It was discovered that the Quagga BGP daemon did not properly check the attribute length […]

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Ubuntu 22.04 — packagekit — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — packagekit — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 21 February 2023 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8195-1 Related CVEs: https://launchpad.net/bugs/2149908 Upstream summary: It was discovered that PackageKit incorrectly handled certain transactions. A local attacker could use this issue to install arbitrary packages as root, possibly resulting […]

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CentOS Stream 9 — python3.11-cryptography — vulnerability — patch and remediation guide — diagnosis and fix on CentOS Stream 9

CentOS Stream 9 — python3.11-cryptography — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 21 February 2023 Affected versions: CentOS Stream 9 📖 ~4 min read  •  Source: AlmaLinux/RHEL advisory ALSA-2024:2337 Related CVEs: CVE-2023-49083 Upstream summary: The python-cryptography packages contain a Python Cryptographic Authority's (PyCA's) cryptography library, which provides cryptographic primitives and recipes to Python developers. Security Fix(es): * python-cryptography: NULL-dereference […]

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Windows Server 2019 — KB5026409 — multiple vulnerabilities (14 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2019

Windows Server 2019 — KB5026409 — multiple vulnerabilities (14 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Windows Server 2019 📖 ~4 min read  •  Source: Microsoft KB5026409 • MSRC update-guide entry Related CVEs: CVE-2023-28283 CVE-2023-24941 CVE-2023-24903 CVE-2023-24943 CVE-2023-29325 CVE-2023-28251 CVE-2023-24939 CVE-2023-24900  +6 more Affected components: Windows Server 2019 (Server Core installation) Table of contents Symptom & Impact Environment […]

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How to Configure Windows Server 2022 Initial Settings — step-by-step Windows Server 2022 tutorial on Progressive Robot

How to Configure Windows Server 2022 Initial Settings

How to Configure Windows Server 2022 with PowerShell PowerShell is the primary management interface for Windows Server 2022. Whether you are managing a single server or hundreds, understanding how to configure and use PowerShell effectively is a prerequisite for any Windows Server administrator. This guide covers execution policy, running scripts correctly, essential cmdlets, remoting, service […]

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Oracle Linux 9 — .NET 9.0 security, bug fix, and — enhancement update — new behaviour and fixes — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — .NET 9.0 security, bug fix, and — enhancement update — new behaviour and fixes

🟠 High   ⏱ 15–60 min  Last verified: 20 February 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2025-2668 Related CVEs: CVE-2025-24070 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

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