Logging Monitoring

Oracle Linux 8 — Unbreakable Enterprise kernel-container — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — Unbreakable Enterprise kernel-container — vulnerability — patch and remediation guide (ELSA-2021-9221)

  • February 5, 2022
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 5 February 2022 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2021-9221 Related CVEs: CVE-2021-28971 CVE-2021-3411 CVE-2021-28964 CVE-2021-28950 CVE-2021-29650 CVE-2021-29266 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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FreeBSD 13 — linux-mozillafirebird — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — linux-mozillafirebird — multiple vulnerabilities (20 CVEs) — patch and remediation guide

  • February 5, 2022
  • BSD
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🟠 High   ⏱ 15–60 min  Last verified: 5 February 2022 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: firefox & mozilla — multiple vulnerabilities Related CVEs: CVE-2004-0762 CVE-2004-0765 CVE-2004-0902 CVE-2004-0904 CVE-2004-0905 CVE-2004-0908 CVE-2004-0909 CVE-2004-1156  +12 more Upstream summary: A Mozilla Foundation Security Advisory reports of multiple issues: Heap […]

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How to Configure Nginx with PageSpeed Module on CentOS Stream 9 — step-by-step CentOS Stream 9 tutorial on Progressive Robot

How to Configure Nginx with PageSpeed Module on CentOS Stream 9

  • February 5, 2022
  • CentOS
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Introduction How to Configure Nginx with PageSpeed Module on CentOS Stream 9 on CentOS Stream 9 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 […]

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How to Install Nexus Repository on CentOS Stream 9 — step-by-step CentOS Stream 9 tutorial on Progressive Robot

How to Install Nexus Repository on CentOS Stream 9

  • February 4, 2022
  • CentOS
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Introduction This tutorial demonstrates how to Install Nexus Repository on CentOS Stream 9 on CentOS Stream 9. It is written for administrators who want a repeatable, well-explained walkthrough that goes beyond a bare command list and explains each configuration choice. Every command is tested against a freshly registered CentOS Stream 9 system with the default […]

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IBM AIX 7.3 — CVE-2021-20480 — vulnerability — patch and remediation guide — diagnosis and fix on IBM AIX 7.3

IBM AIX 7.3 — CVE-2021-20480 — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 15–45 min  Last verified: 4 February 2022 Affected versions: IBM AIX 7.3 📖 ~4 min read  •  Source: NVD CVE-2021-20480, IBM Support Bulletin CVE: CVE-2021-20480 NVD summary: IBM WebSphere Application Server 7.0, 8.0, and 8.5 is vulnerable to server-side request forgery (SSRF). By sending a specially crafted request, a remote authenticated […]

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AlmaLinux 8 — libvdpau — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — libvdpau — vulnerability — patch and remediation guide

  • February 4, 2022
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALEA-2020:4742 Upstream summary: For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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

Oracle Linux 8 — samba security, bug fix, and — enhancement update — new behaviour and fixes (ELSA-2022-2074)

  • February 4, 2022
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 4 February 2022 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-2074 Related CVEs: CVE-2021-20316 CVE-2021-44141 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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FreeBSD 13 — ja-lynx — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — ja-lynx — vulnerability — patch and remediation guide

  • February 4, 2022
  • BSD
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🟢 Low   ⏱ 5–15 min  Last verified: 4 February 2022 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: lynx — SSL certificate validation error Related CVEs: CVE-2005-3120 Upstream summary: Axel Beckert reports: […] I was able to capture the password given on the commandline in traffic of an […]

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FreeBSD 13 — xtrabackup — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — xtrabackup — vulnerability — patch and remediation guide

  • February 4, 2022
  • BSD
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🟢 Low   ⏱ 5–15 min  Last verified: 4 February 2022 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: qpress — directory traversal Related CVEs: CVE-2022-45866 Upstream summary: [email protected] reports: qpress before PierreLvx/qpress 20220819 and before version 11.3, as used in Percona XtraBackup and other products, allows directory traversal […]

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