Linux

Ubuntu 16.04 — netty — multiple vulnerabilities (13 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — netty — multiple vulnerabilities (13 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 1 August 2025 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7918-1 Related CVEs: CVE-2025-58057 CVE-2025-58056 CVE-2022-24823 CVE-2024-29025 CVE-2020-11612 CVE-2021-21290 CVE-2021-21295 CVE-2021-21409  +5 more Upstream summary: Jeppe Bonde Weikop discovered that Netty incorrectly parsed HTTP messages. When Netty is used with […]

Read more
openSUSE Leap 15.6 — kubo — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Leap 15.6

openSUSE Leap 15.6 — kubo — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Leap 15.6 📖 ~4 min read  •  Source: SUSE advisory openSUSE-SU-2024:0211-1 (see also SUSE bugzilla) Related CVEs: CVE-2024-22189 CVE-2023-49295 Upstream summary: quic-go is an implementation of the QUIC protocol in Go. Prior to version 0.42.0, an attacker can cause its peer […]

Read more
Oracle Linux 8 — kernel — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — kernel — vulnerability — patch and remediation guide (ELSA-2025-17397)

🟡 Medium   ⏱ 10–30 min  Last verified: 1 August 2025 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2025-17397 Related CVEs: CVE-2025-39730 CVE-2025-38527 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & […]

Read more
Arch Linux — exim — multiple vulnerabilities (9 CVEs) — patch and remediation guide — diagnosis and fix on Arch Linux

Arch Linux — exim — multiple vulnerabilities (9 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Arch Linux (rolling release) 📖 ~4 min read  •  Source: Arch ASA ASA-201910-1 Related CVEs: CVE-2019-16928 CVE-2019-15846 CVE-2019-13917 CVE-2017-16944 CVE-2017-16943 CVE-2017-10140 CVE-2017-1000369 CVE-2025-30232  +1 more Upstream summary: Type: arbitrary code execution. Status: Fixed. Affected: 4.92.2-1. Fixed in: 4.92.3-1. Group: AVG-1038. Table of […]

Read more
Gentoo Linux — www-client/microsoft-edge — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Gentoo Linux

Gentoo Linux — www-client/microsoft-edge — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read  •  Source: Gentoo GLSA GLSA-202511-04 Related CVEs: CVE-2025-8879 CVE-2025-8880 CVE-2025-8881 CVE-2025-8882 CVE-2025-8901 CVE-2025-9132 CVE-2025-9478 CVE-2025-10500  +12 more Upstream summary: Multiple vulnerabilities have been discovered in Chromium and its derivatives. Please review the CVE identifiers referenced below […]

Read more
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 Configure PHP-FPM with Nginx on Ubuntu 24.04

PHP-FPM (FastCGI Process Manager) provides a fast interface between PHP and web servers like Nginx. This guide explains how to install, configure, and tune PHP 8.3-FPM for production use with Nginx on Ubuntu 24.04 LTS. Tested and valid on: Ubuntu 24.04 LTS Prerequisites Ubuntu 24.04 LTS server Nginx installed A user with sudo privileges Step […]

Read more
Common Problems 124152

Oracle Linux 10 – HAProxy fails to start after package upgrade due to config deprecations

🟠 High   ⏱ 5–30 min  Last verified: 31 July 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 […]

Read more
How to Install Icinga2 on CentOS Stream 10 — step-by-step CentOS Stream 10 tutorial on Progressive Robot

How to Install Icinga2 on CentOS Stream 10

Introduction CentOS Stream 10 ships with a stable, security-hardened base that makes deploying install icinga2 on centos stream 10 both straightforward and auditable. This tutorial covers the complete procedure for how to Install Icinga2 on CentOS Stream 10, including dnf module streams where applicable, systemd unit management, and the firewalld rules required for network-facing services. […]

Read more
Common Problems 123997

Oracle Linux 10 Kernel Updated But Old Kernel Remains Default

🟡 Medium   ⏱ 5–30 min  Last verified: 31 July 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 […]

Read more
Common Problems 114003

RHEL 10 – auditd backlog overflow causes dropped audit events – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 31 July 2025 Affected versions: RHEL 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 & […]

Read more
CHAT