Operations

SLES 15 — ruby2.5-rubygem-activesupport — vulnerability — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — ruby2.5-rubygem-activesupport — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 26 July 2023 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2023:0275-1 (see also SUSE bugzilla) Related CVEs: CVE-2023-22796 Upstream summary: A regular expression based DoS vulnerability in Active Support <6.1.7.1 and <7.0.4.1. A specially crafted string passed to the underscore method can […]

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openSUSE Leap 15.5 — cpio — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Leap 15.5

openSUSE Leap 15.5 — cpio — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: openSUSE Leap 15.5 📖 ~4 min read  •  Source: SUSE advisory SUSE-CU-2024:364-1 (see also SUSE bugzilla) Related CVEs: CVE-2023-7207 Upstream summary: Debian's cpio contains a path traversal vulnerability. This issue was introduced by reverting CVE-2015-1197 patches which had caused a regression in […]

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SLES 12 — mdds — vulnerability — patch and remediation guide — diagnosis and fix on SLES 12

SLES 12 — mdds — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 26 July 2023 Affected versions: SLES 12 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2023:4496-1 (see also SUSE bugzilla) Related CVEs: CVE-2023-1183 Upstream summary: A flaw was found in the Libreoffice package. An attacker can craft an odb containing a "database/script" file with a SCRIPT command […]

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Alpine Linux 3.18 — faac — vulnerability — patch and remediation guide — diagnosis and fix on Alpine Linux 3.18

Alpine Linux 3.18 — faac — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.18 / fixed in 1.30-r0 📖 ~4 min read  •  Source: Alpine secdb entry — faac 1.30-r0 Related CVEs: CVE-2018-19886 Upstream summary: Alpine community repository for vv3.18 ships faac 1.30-r0 which addresses CVE-2018-19886. Table of contents Symptom & Impact Environment […]

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Oracle Linux 9 — libmicrohttpd — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — libmicrohttpd — vulnerability — patch and remediation guide (ELSA-2023-6566)

🟡 Medium   ⏱ 10–30 min  Last verified: 26 July 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-6566 Related CVEs: CVE-2023-27371 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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How to Configure Windows Server 2022 Helm Charts — step-by-step Windows Server 2022 tutorial on Progressive Robot

How to Configure Windows Server 2022 Helm Charts

Introduction to IPsec on Windows Server 2022 IPsec (Internet Protocol Security) is a suite of protocols that provides authentication and encryption at the IP layer, securing communications between hosts regardless of the application running above it. Windows Server 2022 includes a fully integrated IPsec implementation through Windows Firewall with Advanced Security (WFAS), allowing administrators to […]

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NetBSD 9.4 — atheme — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — atheme — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: NetBSD 9.4 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Related CVEs: CVE-2014-9773 CVE-2022-24976 CVE-2016-4478 Upstream summary: pkgsrc audit-packages flagged atheme<7.2.7 for vulnerability class 'remote-information-modification'. Reference: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-9773 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage […]

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

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

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 9 📖 ~4 min read  •  Source: AlmaLinux ALSA 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 when […]

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Common Problems 117505

Time Drift in VM Despite NTP Enabled

🟡 Medium   ⏱ 5–30 min  Last verified: 25 July 2023 Affected versions: 20.04 📖 ~1 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related Errors & Cross-Refs […]

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How to Automate Oracle Linux 9 Deployment with Kickstart — step-by-step Oracle Linux 9 tutorial on Progressive Robot

How to Automate Oracle Linux 9 Deployment with Kickstart

Introduction How to Automate Oracle Linux 9 Deployment with Kickstart on Oracle Linux 9 provides administrators with a robust, enterprise-ready workflow that integrates cleanly with systemd, SELinux, firewalld, and the modern AppStream module system. In this tutorial we will walk through every step required, from package installation to verification, so that the resulting configuration is […]

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