Linux

Debian 11 — widelands — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — widelands — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 14 January 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2011-1932 CVE-2011-4675 Upstream summary: Directory traversal vulnerability in io/filesystem/filesystem.cc in Widelands before 15.1 might allow remote attackers to overwrite arbitrary files via . (dot) characters in a pathname […]

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Cloud Servers: An Introduction — step-by-step Linux tutorial on Progressive Robot

Cloud Servers: An Introduction

A **cloud server** is internet infrastructure that provides computing resources to users remotely. You can think of a cloud server as a private computer that you can set up and control in the same way as an on-premise computer, such as a laptop or desktop. Though the types of software and tooling you install on your cloud server can vary greatly, understanding a few key components will help prepare you to plan and set up your own cloud server.

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How to Secure Apache with Let's Encrypt and Certbot on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Secure Apache with Let’s Encrypt and Certbot on RHEL 7

How to Secure Apache with Let’s Encrypt and Certbot on RHEL 7 Running your Apache web server over plain HTTP exposes your users to traffic interception and degrades trust in modern browsers. Let’s Encrypt provides free, trusted TLS certificates that can be automated entirely on the command line. Certbot is the official Let’s Encrypt client […]

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Oracle Linux 8 — kernel security, bug fix, and — enhancement update — new behaviour and fixes — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — kernel security, bug fix, and — enhancement update — new behaviour and fixes (ELSA-2024-1607)

🟠 High   ⏱ 15–60 min  Last verified: 13 January 2022 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2024-1607 Related CVEs: CVE-2022-38096 CVE-2021-33631 CVE-2023-6931 CVE-2023-6546 CVE-2024-0565 CVE-2024-1086 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 Configure iSCSI Storage on CentOS Stream 9 — step-by-step CentOS Stream 9 tutorial on Progressive Robot

How to Configure iSCSI Storage on CentOS Stream 9

Introduction CentOS Stream 9 ships with a stable, security-hardened base that makes deploying configure iscsi storage on centos stream 9 both straightforward and auditable. This tutorial covers the complete procedure for how to Configure iSCSI Storage on CentOS Stream 9, including dnf module streams where applicable, systemd unit management, and the firewalld rules required for […]

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AlmaLinux 8 — python3-azure-sdk — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — python3-azure-sdk — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALEA-2019:3314 Upstream summary: For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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Debian 11 — gdm3 — multiple vulnerabilities (9 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — gdm3 — multiple vulnerabilities (9 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 13 January 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2011-0727 CVE-2013-7273 CVE-2015-7496 CVE-2016-1000002 CVE-2017-12164 CVE-2018-14424 CVE-2019-3825 CVE-2020-16125  +1 more Upstream summary: GNOME Display Manager (gdm) 2.x before 2.32.1 allows local users to change the ownership of arbitrary […]

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AlmaLinux 8 — cockpit-composer — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — cockpit-composer — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALBA-2022:1903 Upstream summary: For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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Debian 11 — xymon — multiple vulnerabilities (16 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — xymon — multiple vulnerabilities (16 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 13 January 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2011-1716 CVE-2013-4173 CVE-2015-1430 CVE-2016-2054 CVE-2016-2055 CVE-2016-2056 CVE-2016-2057 CVE-2016-2058  +8 more Upstream summary: Multiple cross-site scripting (XSS) vulnerabilities in the Web UI in Xymon before 4.3.1 allow remote attackers […]

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Debian 11 — chicken — multiple vulnerabilities (17 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — chicken — multiple vulnerabilities (17 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 13 January 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2012-6122 CVE-2012-6123 CVE-2012-6124 CVE-2012-6125 CVE-2013-1874 CVE-2013-2024 CVE-2013-4385 CVE-2014-3776  +9 more Upstream summary: Buffer overflow in the thread scheduler in Chicken before 4.8.0.1 allows attackers to cause a denial […]

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