Linux

openSUSE Tumbleweed — libcgroup1 — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — libcgroup1 — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory SUSE-SR:2011:007 (see also SUSE bugzilla) Related CVEs: CVE-2011-1006 CVE-2011-1022 Upstream summary: Heap-based buffer overflow in the parse_cgroup_spec function in tools/tools-common.c in the Control Group Configuration Library (aka libcgroup or libcg) before 0.37.1 […]

Read more
Common Problems 115018

RHEL 8 Boots Old Kernel After Successful Update

🟡 Medium   ⏱ 5–30 min  Last verified: 14 June 2019 📖 ~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 & Cross-Refs References & Further […]

Read more
Amazon Linux 2 — geronimo-jaxrpc — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — geronimo-jaxrpc — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2-2020-1524 Related CVEs: CVE-2018-11440 CVE-2018-11577 CVE-2018-11684 CVE-2018-11685 CVE-2018-12085 Upstream summary: Liblouis 3.5.0 has a Segmentation fault in lou_logPrint in logging.c. (CVE-2018-11577) Liblouis 3.5.0 has a stack-based Buffer Overflow in the […]

Read more
Common Problems 114966

RHEL 8 Podman Image Pull Fails Due To Registry TLS Trust

🟡 Medium   ⏱ 5–30 min  Last verified: 14 June 2019 📖 ~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 & Cross-Refs References & Further […]

Read more
Gentoo Linux — dev-php/pecl-imagick — vulnerability — patch and remediation guide — diagnosis and fix on Gentoo Linux

Gentoo Linux — dev-php/pecl-imagick — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read  •  Source: Gentoo GLSA GLSA-202003-38 Related CVEs: CVE-2019-11037 Upstream summary: An out-of-bounds write vulnerability was discovered in the Imagick PHP extension. Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step […]

Read more
Arch Linux — postgresql-libs — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Arch Linux

Arch Linux — postgresql-libs — multiple vulnerabilities (3 CVEs) — 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-201705-24 Related CVEs: CVE-2017-7485 CVE-2019-10209 CVE-2019-10208 Upstream summary: Type: man-in-the-middle. Status: Fixed. Affected: 9.6.2-1. Fixed in: 9.6.3-1. Group: AVG-280. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

Read more
Установка и настройка VNC в Ubuntu 18.04 — step-by-step Linux tutorial on Progressive Robot

Установка и настройка VNC в Ubuntu 18.04

Virtual Network Computing или VNC — это система подключения, позволяющая использовать клавиатуру и мышь для взаимодействия с графической средой рабочего стола на удаленном сервере. Данная система упрощает управление файлами, программным обеспечением и настройками на удаленном…

Read more
Arch Linux — plasma-workspace — vulnerability — patch and remediation guide — diagnosis and fix on Arch Linux

Arch Linux — plasma-workspace — 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-201802-4 Related CVEs: CVE-2018-6791 Upstream summary: Type: arbitrary command execution. Status: Fixed. Affected: 5.11.5-2. Fixed in: 5.12.0-1. Group: AVG-607. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

Read more
How to Harden SSH on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Harden SSH on RHEL 8

SSH is the primary remote administration interface for most RHEL 8 servers, making it a prime target for brute-force attacks and unauthorized access attempts. A default OpenSSH installation leaves several insecure options enabled that should be disabled immediately after provisioning. This guide walks through a comprehensive SSH hardening process covering configuration directives, host access controls, […]

Read more
CHAT