Package Management

Oracle Linux 9 — linux-firmware security, bug fix, and — enhancement update — new behaviour and fixes — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — linux-firmware security, bug fix, and — enhancement update — new behaviour and fixes (ELSA-2023-6595)

  • October 24, 2023
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 24 October 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-6595 Related CVEs: CVE-2022-40964 CVE-2022-27635 CVE-2023-20569 CVE-2022-38076 CVE-2022-36351 CVE-2022-46329 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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Windows Server 2022 — KB5029653 — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2022

Windows Server 2022 — KB5029653 — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Windows Server 2022 📖 ~4 min read  •  Source: Microsoft KB5029653 • MSRC update-guide entry Related CVEs: CVE-2023-36873 CVE-2023-36899 Affected components: Microsoft .NET Framework 3.5 AND 4.8 on Windows Server 2022 Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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How to Set Up the ELK Stack on CentOS Stream 9 — step-by-step CentOS Stream 9 tutorial on Progressive Robot

How to Set Up the ELK Stack on CentOS Stream 9

  • October 24, 2023
  • CentOS
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Introduction This tutorial demonstrates how to Set Up the ELK Stack 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 […]

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Alpine Linux edge — ruby-activesupport — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux edge

Alpine Linux edge — ruby-activesupport — multiple vulnerabilities (2 CVEs) — patch and remediation guide

  • October 24, 2023
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 7.0.4.3-r0 📖 ~4 min read  •  Source: Alpine secdb entry — ruby-activesupport 7.0.4.3-r0 Related CVEs: CVE-2023-28120 CVE-2023-22796 Upstream summary: Alpine community repository for vedge ships ruby-activesupport 7.0.4.3-r0 which addresses CVE-2023-28120. Table of contents Symptom & Impact […]

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NetBSD 9.4 — firefox31 — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — firefox31 — vulnerability — patch and remediation guide

  • October 24, 2023
  • BSD
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: NetBSD 9.4 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Upstream summary: pkgsrc audit-packages flagged firefox31>=31<31.3 for vulnerability class 'multiple-vulnerabilities'. Reference: https://www.mozilla.org/en-US/security/known-vulnerabilities/firefox-esr/#firefoxesr31.3 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary […]

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How to Set Up TimescaleDB on Oracle Linux 9 — step-by-step Oracle Linux 9 tutorial on Progressive Robot

How to Set Up TimescaleDB on Oracle Linux 9

Introduction How to Set Up TimescaleDB on Oracle Linux 9 on Oracle Linux 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 configuration is […]

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Windows Server 2019 — KB5022503 — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2019

Windows Server 2019 — KB5022503 — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Windows Server 2019 📖 ~4 min read  •  Source: Microsoft KB5022503 • MSRC update-guide entry Related CVEs: CVE-2023-21808 CVE-2023-21722 Affected components: Microsoft .NET Framework 3.5 AND 4.8 on Windows Server 2019 Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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Debian 12 — libbluray — vulnerability — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — libbluray — vulnerability — patch and remediation guide

  • October 24, 2023
  • Linux
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🟢 Low   ⏱ 5–15 min  Last verified: 24 October 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2015-7810 Upstream summary: libbluray MountManager class has a time-of-check time-of-use (TOCTOU) race when expanding JAR files Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis […]

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