Package Management

Ubuntu 18.04 — linux-oracle-5.0 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — linux-oracle-5.0 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

  • February 1, 2021
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 1 February 2021 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4325-1 Related CVEs: CVE-2019-19046 CVE-2020-8428 CVE-2019-19053 CVE-2019-19056 CVE-2019-19058 CVE-2019-19059 CVE-2019-19066 CVE-2019-19068  +12 more Upstream summary: It was discovered that the IPMI message handler implementation in the Linux kernel did not […]

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Ubuntu 16.04 — libxstream-java — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — libxstream-java — multiple vulnerabilities (20 CVEs) — patch and remediation guide

  • February 1, 2021
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 1 February 2021 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6978-1 Related CVEs: CVE-2016-3674 CVE-2020-26217 CVE-2020-26258 CVE-2020-26259 CVE-2021-21341 CVE-2021-21342 CVE-2021-21343 CVE-2021-21344  +12 more Upstream summary: It was discovered that XStream incorrectly handled parsing of certain crafted XML documents. A remote […]

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How to Configure syslog-ng on FreeBSD 12 — step-by-step FreeBSD 12 tutorial on Progressive Robot

How to Configure syslog-ng on FreeBSD 12

  • February 1, 2021
  • FreeBSD
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Introduction FreeBSD 12 is a UNIX-derived operating system renowned for its network stack performance, ZFS integration, and Jail isolation primitives. Setting up configure syslog-ng on freebsd 12 on FreeBSD 12 follows the rc.conf/service(8) paradigm rather than systemd, which means enabling a service and configuring its startup options are done differently from any Linux distribution. This […]

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Ubuntu 18.04 — flac — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — flac — multiple vulnerabilities (4 CVEs) — patch and remediation guide

  • February 1, 2021
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 1 February 2021 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6360-2 Related CVEs: CVE-2020-22219 CVE-2017-6888 CVE-2020-0499 CVE-2021-0561 Upstream summary: USN-6360-1 fixed a vulnerability in FLAC. This update provides the corresponding update for Ubuntu 14.04 LTS, Ubuntu 16.04 LTS, and Ubuntu […]

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Oracle Linux 8 — curl — security and stability fixes — required update — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — curl — security and stability fixes — required update (ELSA-2021-4511)

  • January 31, 2021
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 31 January 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2021-4511 Related CVEs: CVE-2021-22876 CVE-2021-22925 CVE-2021-22898 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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IBM AIX 7.1 — CVE-2020-4761 — vulnerability — patch and remediation guide — diagnosis and fix on IBM AIX 7.1

IBM AIX 7.1 — CVE-2020-4761 — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 15–45 min  Last verified: 31 January 2021 Affected versions: IBM AIX 7.1 📖 ~4 min read  •  Source: NVD CVE-2020-4761, IBM Support Bulletin CVE: CVE-2020-4761 NVD summary: IBM Sterling B2B Integrator Standard Edition 5.2.0.0 through 5.2.6.5_2, 6.0.0.0 through 6.0.3.2, and 6.1.0.0 could allow a remote attacker to obtain sensitive information when […]

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Arch Linux — weechat — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Arch Linux

Arch Linux — weechat — multiple vulnerabilities (5 CVEs) — patch and remediation guide

  • January 31, 2021
  • Linux
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🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Arch Linux (rolling release) 📖 ~4 min read  •  Source: Arch ASA ASA-202002-12 Related CVEs: CVE-2020-9760 CVE-2020-9759 CVE-2020-8955 CVE-2017-8073 CVE-2017-14727 Upstream summary: Type: multiple issues. Status: Fixed. Affected: 2.7-2. Fixed in: 2.7.1-1. Group: AVG-1103. Table of contents Symptom & Impact Environment & […]

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How to Configure AIX Fast Connect (SMB) on IBM AIX 7.2 — step-by-step IBM AIX 7.2 tutorial on Progressive Robot

How to Configure AIX Fast Connect (SMB) on IBM AIX 7.2

  • January 31, 2021
  • IBM AIX
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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 aix fast connect (smb) on ibm aix 7.2 […]

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IBM AIX 7.1 — CVE-2021-29771 — xss — patch and remediation guide — diagnosis and fix on IBM AIX 7.1

IBM AIX 7.1 — CVE-2021-29771 — xss — patch and remediation guide

🟡 Medium   ⏱ 15–45 min  Last verified: 31 January 2021 Affected versions: IBM AIX 7.1 📖 ~4 min read  •  Source: NVD CVE-2021-29771, IBM Support Bulletin CVE: CVE-2021-29771 NVD summary: IBM InfoSphere Information Server 11.7 is vulnerable to cross-site scripting. This vulnerability allows users to embed arbitrary JavaScript code in the Web UI thus […]

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How to Configure XFS on Oracle Linux 8 — step-by-step Oracle Linux 8 tutorial on Progressive Robot

How to Configure XFS on Oracle Linux 8

Introduction How to Configure XFS on Oracle Linux 8 on Oracle Linux 8 provides administrators with a robust, enterprise-ready workflow that integrates cleanly with systemd, SELinux, firewalld, and the modern AppStream module system. In this tutorial we will walk through every step required, from package installation to verification, so that the resulting configuration is reproducible […]

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