Security Hardening

How to Configure Shared Memory Segments on IBM AIX 7.2 — step-by-step IBM AIX 7.2 tutorial on Progressive Robot

How to Configure Shared Memory Segments on IBM AIX 7.2

Introduction IBM AIX 7.2 is the latest release of IBM’s enterprise-grade UNIX operating system, running on IBM Power Systems hardware. Known for its reliability, security, and performance in mission-critical environments, AIX 7.2 introduces enhanced virtualization, security hardening, and cloud integration features. This guide covers how to configure shared memory segments on ibm aix 7.2 on […]

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AlmaLinux 8 — mingw-binutils — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — mingw-binutils — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2021:1968 Related CVEs: CVE-2019-16168 CVE-2020-13434 CVE-2020-13630 CVE-2020-13631 CVE-2020-13632 Upstream summary: MinGW is a free and open source software development environment to create Microsoft Windows applications. The following packages have been upgraded to […]

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FreeBSD 13 — pt_BR-openoffice — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — pt_BR-openoffice — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 31 May 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: openoffice — DOC document heap overflow vulnerability Related CVEs: CVE-2004-0752 CVE-2005-0941 Upstream summary: AD-LAB reports that a heap-based buffer overflow vulnerability exists in OpenOffice's handling of DOC documents. When reading […]

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SLES 12 — osasnmpd — vulnerability — patch and remediation guide — diagnosis and fix on SLES 12

SLES 12 — osasnmpd — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 31 May 2021 Affected versions: SLES 12 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2021:0776-1 (see also SUSE bugzilla) Related CVEs: CVE-2021-25316 Upstream summary: A Insecure Temporary File vulnerability in s390-tools of SUSE Linux Enterprise Server 12-SP5, SUSE Linux Enterprise Server 15-SP2 allows local attackers to […]

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How to Install pgAdmin 4 on FreeBSD 13 — step-by-step FreeBSD 13 tutorial on Progressive Robot

How to Install pgAdmin 4 on FreeBSD 13

Introduction This guide explains how to Install pgAdmin 4 on FreeBSD 13 on FreeBSD 13. FreeBSD uses the pkg(8) binary package manager, rc.conf(5) for service startup configuration, and pf(4) as its primary packet filter. There is no SELinux or AppArmor — instead, FreeBSD provides the MAC (Mandatory Access Control) framework and Capsicum for fine-grained privilege […]

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Oracle Linux 8 — grafana — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — grafana — vulnerability — patch and remediation guide (ELSA-2020-2641)

🟠 High   ⏱ 15–60 min  Last verified: 31 May 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2020-2641 Related CVEs: CVE-2020-13379 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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FreeBSD 13 — webkit2-gtk — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — webkit2-gtk — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 31 May 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: webkit2-gtk3 — multiple vulnerabilities Related CVEs: CVE-2017-13783 CVE-2017-13784 CVE-2017-13785 CVE-2017-13788 CVE-2017-13791 CVE-2017-13792 CVE-2017-13794 CVE-2017-13795  +12 more Upstream summary: The WebKitGTK project reports vulnerabilities: CVE-2021-30858: Processing maliciously crafted web content may […]

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

Oracle Linux 8 — trousers security, bug fix, and — enhancement update — new behaviour and fixes (ELSA-2021-1627)

🟡 Medium   ⏱ 10–30 min  Last verified: 30 May 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2021-1627 Related CVEs: CVE-2020-24332 CVE-2020-24331 CVE-2020-24330 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification […]

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Common Problems 117466

Ubuntu 20.04 Black Screen After Login With NVIDIA

🟡 Medium   ⏱ 5–30 min  Last verified: 30 May 2021 📖 ~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 […]

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