Security Hardening

How to Use cron and at Scheduling on IBM AIX 7.2 — step-by-step IBM AIX 7.2 tutorial on Progressive Robot

How to Use cron and at Scheduling 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 use cron and at scheduling on ibm aix 7.2 […]

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FreeBSD 12 — libraw — multiple vulnerabilities (11 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — libraw — multiple vulnerabilities (11 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 26 April 2020 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: libraw — multiple DoS vulnerabilities Related CVEs: CVE-2015-3885 CVE-2015-8366 CVE-2015-8367 CVE-2017-14265 CVE-2017-14348 CVE-2017-14608 CVE-2017-16909 CVE-2017-16910  +3 more Upstream summary: Secunia Research reports: CVE-2018-5800: An off-by-one error within the "LibRaw::kodak_ycbcr_load_raw()" function […]

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openSUSE Tumbleweed — ruby2.2-rubygem-rack — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — ruby2.2-rubygem-rack — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory openSUSE-SU-2025:14811-1 (see also SUSE bugzilla) Related CVEs: CVE-2013-0262 CVE-2013-0263 CVE-2015-3225 Upstream summary: rack/file.rb (Rack::File) in Rack 1.5.x before 1.5.2 and 1.4.x before 1.4.5 allows attackers to access arbitrary files outside the intended […]

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FreeBSD 12 — strongswan — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — strongswan — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 26 April 2020 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: strongSwan — Heap-based buffer overflow in eap-mschapv2 plugin due to improper handling of failure request packets Related CVEs: CVE-2013-2944 CVE-2013-5018 CVE-2013-6075 CVE-2013-6076 CVE-2014-2338 CVE-2015-3991 CVE-2015-4171 CVE-2015-8023  +12 more Upstream summary: […]

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Arch Linux — pam-krb5 — vulnerability — patch and remediation guide — diagnosis and fix on Arch Linux

Arch Linux — pam-krb5 — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Arch Linux (rolling release) 📖 ~4 min read  •  Source: Arch ASA ASA-202004-5 Related CVEs: CVE-2020-10595 Upstream summary: Type: arbitrary code execution. Status: Fixed. Affected: 4.8-1. Fixed in: 4.9-1. Group: AVG-1119. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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Debian 10 — minidlna — vulnerability — patch and remediation guide — diagnosis and fix on Debian 10

Debian 10 — minidlna — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 26 April 2020 Affected versions: Debian 10 (buster) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2020-12695 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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Oracle Linux 8 — go-toolset:ol8 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — go-toolset:ol8 — vulnerability — patch and remediation guide (ELSA-2019-1519)

🟡 Medium   ⏱ 10–30 min  Last verified: 26 April 2020 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2019-1519 Related CVEs: CVE-2019-9741 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 Configure Hot-Plug PCI Devices on IBM AIX 7.1 — step-by-step IBM AIX 7.1 tutorial on Progressive Robot

How to Configure Hot-Plug PCI Devices on IBM AIX 7.1

Introduction IBM AIX 7.1 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 7.1 introduces enhanced virtualization, security hardening, and cloud integration features. This guide covers how to configure hot-plug pci devices on ibm aix 7.1 on […]

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FreeBSD 12 — bash-static — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — bash-static — multiple vulnerabilities (6 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 April 2020 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: bash — remote code execution Related CVEs: CVE-2014-6271 CVE-2014-6277 CVE-2014-6278 CVE-2014-7169 CVE-2014-7186 CVE-2014-7187 Upstream summary: Note that this is different than the public "Shellshock" issue. Specially crafted environment variables could […]

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How to Configure Network Bonding with LACP on Debian 10 — step-by-step Debian 10 tutorial on Progressive Robot

How to Configure Network Bonding with LACP on Debian 10

Introduction This guide explains how to Configure Network Bonding with LACP on Debian 10 on Debian 10 Buster. Debian Buster uses systemd for service management, nftables as the underlying packet filter (with ufw or iptables front-ends still available), and AppArmor for mandatory access control. Every command is designed for a minimal Debian 10 install with […]

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