Linux

SLES 15 — xrdb — vulnerability — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — xrdb — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 27 October 2019 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory SUSE-SA:2011:016 (see also SUSE bugzilla) Related CVEs: CVE-2011-0465 Upstream summary: xrdb.c in xrdb before 1.0.9 in X.Org X11R7.6 and earlier allows remote attackers to execute arbitrary commands via shell metacharacters in a […]

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Arch Linux — pass — vulnerability — patch and remediation guide — diagnosis and fix on Arch Linux

Arch Linux — pass — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Arch Linux (rolling release) 📖 ~4 min read  •  Source: Arch ASA ASA-201806-11 Related CVEs: CVE-2018-12356 Upstream summary: Type: arbitrary code execution. Status: Fixed. Affected: 1.7.1-1. Fixed in: 1.7.2-1. Group: AVG-720. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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Oracle Linux 8 — freeradius:3.0 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — freeradius:3.0 — vulnerability — patch and remediation guide (ELSA-2020-1672)

🟡 Medium   ⏱ 10–30 min  Last verified: 27 October 2019 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2020-1672 Related CVEs: CVE-2019-13456 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

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How to Harden PHP on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Harden PHP on RHEL 8

PHP runs on millions of web servers, but a default installation leaves many dangerous settings enabled that attackers can exploit. On RHEL 8, hardening PHP through /etc/php.ini is one of the most impactful steps you can take to protect your application without touching a single line of code. This tutorial covers the most important security-oriented […]

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How to Set Up NFS Server and Client on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Set Up NFS Server and Client on Debian 9

Introduction How to Set Up NFS Server and Client on Debian 9 is a fundamental operation for any administrator maintaining a Debian 9 Stretch server. Debian 9 Stretch ships with the Linux 6.12 kernel, updated toolchains, and a fully refreshed package archive — meaning version numbers, configuration file paths, and some dependency chains differ from […]

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openSUSE Tumbleweed — libFS6 — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — libFS6 — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2013:1103-1 (see also SUSE bugzilla) Related CVEs: CVE-2013-1996 Upstream summary: X.org libFS 1.0.4 and earlier allows X servers to trigger allocation of insufficient memory and a buffer overflow via vectors related to […]

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Первоначальная настройка сервера с ОС Ubuntu 18.04 — step-by-step Linux tutorial on Progressive Robot

Первоначальная настройка сервера с ОС Ubuntu 18.04

При создании нового сервера Ubuntu 18.04 необходимо выполнить ряд операций конфигурирования в рамках ранней стадии базовой настройки. Это повысит уровень безопасности и удобства использования вашего сервера, а также создаст прочную основу для дальнейших…

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Ubuntu 18.04 — lua5.3 — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — lua5.3 — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 26 October 2019 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-3941-1 Related CVEs: CVE-2019-6706 Upstream summary: Fady Othman discovered that Lua incorrectly handled certain scripts. An attacker could possibly use this issue to cause a denial of service. Table of […]

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Ubuntu 14.04 — irssi — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 14.04

Ubuntu 14.04 — irssi — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 26 October 2019 Affected versions: Ubuntu 14.04 (trusty) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-3862-1 Related CVEs: CVE-2019-5882 CVE-2018-7050 CVE-2018-7051 CVE-2018-7052 CVE-2018-7053 CVE-2018-7054 CVE-2018-5205 CVE-2018-5206  +12 more Upstream summary: It was discovered that Irssi incorrectly handled certain inputs. An attacker could possibly use this […]

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