🟡 Medium ⏱ 10–30 min Last verified: 21 October 2025 Affected versions: Oracle Linux 10 📖 ~4 min read • Source: ELSA advisory ELSA-2025-9307 Related CVEs: CVE-2025-4478 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]
Introduction This guide explains how to Configure Automatic Kernel Hardening with Hardening.io on Debian 13 on Debian 13 Trixie. Debian Trixie uses systemd for service management, nftables as the underlying packet filter (with ufw or iptables front-ends still available), and AppArmor for mandatory access control. Every command is designed for a minimal Debian 13 install […]
Introduction RHEL 10 ships with a stable, security-hardened base that makes deploying set up an sftp-only user both straightforward and auditable. This tutorial covers the complete procedure for how to Set Up an SFTP-Only User on RHEL 10, including dnf module streams where applicable, systemd unit management, and the firewalld rules required for network-facing services. […]
🟡 Medium ⏱ 5–30 min Last verified: 21 October 2025 Affected versions: Ubuntu 24.04 LTS Ubuntu 24.04 Ubuntu 24.04.1 📖 ~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 […]
🟠 High ⏱ 15–60 min Last verified: 21 October 2025 Affected versions: Oracle Linux 9 📖 ~4 min read • Source: ELSA advisory ELSA-2025-20655 Related CVEs: CVE-2025-49844 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]
🟡 Medium ⏱ 10–30 min Last verified: 21 October 2025 Affected versions: Oracle Linux 9 📖 ~4 min read • Source: ELSA advisory ELSA-2026-0605 Related CVEs: CVE-2025-14242 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]
Introduction Debian 13 Trixie is built around the ethos of stability and free software. Setting up create and manage users on Trixie leverages the same proven Debian packaging system that powers millions of servers worldwide, while benefiting from the latest upstream releases included in the Trixie freeze. Follow each step carefully and the resulting configuration […]
The mdadm utility can be used to create and manage storage arrays using Linux’s software RAID capabilities. Administrators have great flexibility in coordinating their individual storage devices and creating logical storage devices that have greater performance or…
🔴 Critical ⏱ 15–90 min Last verified: 25 May 2026 Affected versions: openSUSE Leap 15.6 📖 ~4 min read • Source: SUSE advisory RHSA-2026:2706 (see also SUSE bugzilla) Related CVEs: CVE-2025-61732 CVE-2025-61731 CVE-2025-68119 CVE-2025-68121 CVE-2025-61727 CVE-2025-61729 CVE-2025-47912 CVE-2025-58188 +12 more Upstream summary: A discrepancy between how Go and C/C++ comments were parsed allowed for […]
🟡 Medium ⏱ 5–30 min Last verified: 20 October 2025 Affected versions: CentOS Stream 10 📖 ~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 […]
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