Fix Prevention

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

Oracle Linux 9 — kernel — vulnerability — patch and remediation guide (ELSA-2025-18281)

🟡 Medium   ⏱ 10–30 min  Last verified: 13 October 2025 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2025-18281 Related CVEs: CVE-2022-50087 CVE-2025-38566 CVE-2025-38571 CVE-2025-39817 CVE-2025-39849 CVE-2025-39841 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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How to Install and Configure Xdebug 3 for PHP 8.3 on Ubuntu 24.04 — step-by-step Linux tutorial on Progressive Robot

How to Install Symfony 7 on Ubuntu 24.04

Symfony 7 is a high-performance PHP framework built for flexibility and scalability. This guide installs the Symfony CLI and creates a new Symfony 7 web application on Ubuntu 24.04 LTS. Tested and valid on: Ubuntu 24.04 LTS Prerequisites Ubuntu 24.04 LTS server PHP 8.3 installed Composer installed A user with sudo privileges Step 1 – […]

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How to Set Up HTTP/2 in Nginx on Debian 13 — step-by-step Debian 13 tutorial on Progressive Robot

How to Set Up HTTP/2 in Nginx on Debian 13

Introduction This guide explains how to Set Up HTTP/2 in Nginx 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 with […]

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Amazon Linux 2 — fontforge — multiple vulnerabilities (8 CVEs) — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — fontforge — multiple vulnerabilities (8 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2-2026-3164 Related CVEs: CVE-2025-15270 CVE-2025-15269 CVE-2025-15275 CVE-2025-15279 CVE-2025-50949 CVE-2024-25081 CVE-2024-25082 CVE-2020-5395 Upstream summary: FontForge SFD File Parsing Improper Validation of Array Index Remote Code Execution Vulnerability. This vulnerability allows remote […]

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Common Problems 127089

CentOS Stream 10 – Common Problem 238 – Diagnosis and Fix

🟡 Medium   ⏱ 5–30 min  Last verified: 12 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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How to Set Up a DevSecOps Pipeline on Oracle Linux 10 — step-by-step Oracle Linux 10 tutorial on Progressive Robot

How to Set Up a DevSecOps Pipeline on Oracle Linux 10

Introduction Setting up set up a devsecops pipeline on oracle linux 10 on a Oracle Linux 10 server is a common task for system administrators, DevOps engineers, and site reliability engineers. This guide explains how to Set Up a DevSecOps Pipeline on Oracle Linux 10, with all the commands you need, the SELinux and firewalld […]

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Amazon Linux 2023 — aws-nitro-enclaves-cli — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Amazon Linux 2023

Amazon Linux 2023 — aws-nitro-enclaves-cli — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2023 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2023-2024-575 Related CVEs: CVE-2022-31394 CVE-2025-3416 Upstream summary: RUSTSEC-2024-0006 NOTE: https://rustsec.org/advisories/RUSTSEC-2024-0006.html NOTE: https://github.com/comex/rust-shlex/security/advisories/GHSA-r7qv-8r2h-pg27 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – […]

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FreeBSD 14 — libsodium — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 14

FreeBSD 14 — libsodium — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 12 October 2025 Affected versions: FreeBSD 14 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: security/libsodium — crypto_core_ed25519_is_valid_point mishandles checks for whether an elliptic curve point is valid Related CVEs: CVE-2025-69277 Upstream summary: Libsodium maintainer reports: The function crypto_core_ed25519_is_valid_point(), a low-level function used to check […]

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Debian 13 — openarena — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — openarena — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 12 October 2025 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2010-5077 CVE-2011-2764 CVE-2011-3012 Upstream summary: server/sv_main.c in Quake3 Arena, as used in ioquake3 before r1762, OpenArena, Tremulous, and other products, allows remote attackers to cause a denial of […]

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Common Problems 124080

Oracle Linux 10 – firewalld zone assignment resets when interface name changes

🟡 Medium   ⏱ 5–30 min  Last verified: 12 October 2025 Affected versions: Oracle Linux 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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