Security auditing is a critical practice for any Linux administrator responsible for maintaining compliant and hardened systems. Lynis is a free, open-source security auditing tool that performs deep system scans and produces actionable hardening recommendations. On RHEL 9, Lynis integrates seamlessly and covers hundreds of security controls across authentication, networking, storage, and more. This tutorial […]
🟡 Medium ⏱ 10–30 min Last verified: 25 June 2025 Affected versions: Oracle Linux 8 📖 ~4 min read • Source: ELSA advisory ELSA-2024-5598 Related CVEs: CVE-2024-6472 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]
🟠 High ⏱ 15–60 min Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read • Source: AlmaLinux ALSA ALSA-2025:21140 Related CVEs: CVE-2025-59088 CVE-2025-59089 CVE-2025-7493 CVE-2025-4404 CVE-2024-2698 CVE-2024-3183 CVE-2020-17049 CVE-2023-5455 +1 more Upstream summary: AlmaLinux Identity Management (IdM) is a centralized authentication, identity management, and authorization solution for both traditional and […]
🟡 Medium ⏱ 5–30 min Last verified: 25 June 2025 Affected versions: Windows Server 2025 📖 ~2 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 […]
🟠 High ⏱ 15–60 min Last verified: 25 May 2026 Affected versions: Arch Linux (rolling release) 📖 ~4 min read • Source: Arch ASA ASA-202505-8 Related CVEs: CVE-2025-23167 CVE-2025-23166 CVE-2025-23165 Upstream summary: Type: multiple issues. Status: Fixed. Affected: 20.19.1-1. Fixed in: 20.19.2-1. Group: AVG-2873. Table of contents Symptom & Impact Environment & Reproduction Root […]
🔴 Critical ⏱ 15–90 min Last verified: 25 May 2026 Affected versions: Arch Linux (rolling release) 📖 ~4 min read • Source: Arch ASA ASA-202501-1 Related CVEs: CVE-2024-12747 CVE-2024-12088 CVE-2024-12087 CVE-2024-12086 CVE-2024-12085 CVE-2024-12084 CVE-2018-5764 CVE-2017-17434 +4 more Upstream summary: Type: multiple issues. Status: Fixed. Affected: 3.3.0-2. Fixed in: 3.4.0-1. Group: AVG-2858. Table of contents […]
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: NetBSD 10.0 📖 ~4 min read • Source: pkgsrc audit-packages entry Upstream summary: pkgsrc audit-packages flagged transifex-client<0.9 for vulnerability class 'ssl-certificate-spoofing'. Reference: http://secunia.com/advisories/53413/ Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary […]
Introduction This tutorial demonstrates how to Set Up OpenVSwitch on CentOS Stream 10 on CentOS Stream 10. It is written for administrators who want a repeatable, well-explained walkthrough that goes beyond a bare command list and explains each configuration choice. Every command is tested against a freshly registered CentOS Stream 10 system with the default […]
🟢 Low ⏱ 5–15 min Last verified: 24 June 2025 Affected versions: FreeBSD 14 📖 ~4 min read • Source: FreeBSD VuXML VuXML topic: py-social-auth-app-django — Unsafe account association Related CVEs: CVE-2025-61783 Upstream summary: Michal Čihař reports: Upon authentication, the user could be associated by e-mail even if the associate_by_email pipeline was not included. […]
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: NetBSD 10.0 📖 ~4 min read • Source: pkgsrc audit-packages entry Related CVEs: CVE-2021-41146 Upstream summary: pkgsrc audit-packages flagged qutebrowser<2.4.0 for vulnerability class 'arbitrary-command-execution'. Reference: https://nvd.nist.gov/vuln/detail/CVE-2021-41146 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis […]
