October 2025 - Page 19 of 114

Ubuntu 20.04 — linux-gcp-5.15 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — linux-gcp-5.15 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

  • October 27, 2025
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 27 October 2025 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8297-1 Related CVEs: CVE-2023-2640 CVE-2023-32629 CVE-2023-53421 CVE-2023-53520 CVE-2023-53662 CVE-2023-54207 CVE-2025-38057 CVE-2025-38125  +12 more Upstream summary: Stonejiajia, Shir Tamari and Sagi Tzadik discovered that the OverlayFS implementation in the Ubuntu Linux […]

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Windows Server 2016 — KB5066835 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2016

Windows Server 2016 — KB5066835 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Windows Server 2016 📖 ~4 min read  •  Source: Microsoft KB5066835 • MSRC update-guide entry Related CVEs: CVE-2016-9535 CVE-2025-64679 CVE-2025-64680 CVE-2025-62208 CVE-2025-62209 CVE-2025-24990 CVE-2025-24052 CVE-2025-55325  +12 more Affected components: Windows Server 2016 Windows Server 2016 (Server Core installation) Microsoft summary: tif_predict.h and […]

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How to Inspect Container Images with Skopeo on Debian 13 — step-by-step Debian 13 tutorial on Progressive Robot

How to Inspect Container Images with Skopeo on Debian 13

  • October 27, 2025
  • Linux
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Introduction Deploying inspect container images with skopeo on a Debian 13 Trixie machine is straightforward thanks to Debian’s policy-compliant packaging. Unlike rpm-based distributions, Debian stores configuration helpers in /etc/default/, uses update-rc.d for older init scripts, and provides dpkg-reconfigure for interactive package configuration. This tutorial stays on the systemd path throughout. Prerequisites Before you begin, ensure […]

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Common Problems 127108

CentOS Stream 10 – Common Problem 165 – Diagnosis and Fix

  • October 26, 2025
  • Linux
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🟠 High   ⏱ 5–30 min  Last verified: 26 October 2025 Affected versions: CentOS Stream 10 📖 ~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 […]

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Common Problems 124172

Oracle Linux 10 – LVM Thin Pool Metadata Nearly Full and Writes Stall – Capacity Recovery

  • October 26, 2025
  • Linux
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🔴 Critical   ⏱ 5–30 min  Last verified: 26 October 2025 Affected versions: Oracle Linux 10 📖 ~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 […]

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Common Problems 124084

Oracle Linux 10 – Podman container cannot bind low port under SELinux enforcing – Fix & Prevention

  • October 26, 2025
  • Linux
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🟡 Medium   ⏱ 5–30 min  Last verified: 26 October 2025 Affected versions: Oracle Linux 10 📖 ~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 […]

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How to Use Amanda for Enterprise Backup on Oracle Linux 10 — step-by-step Oracle Linux 10 tutorial on Progressive Robot

How to Use Amanda for Enterprise Backup on Oracle Linux 10

Introduction How to Use Amanda for Enterprise Backup on Oracle Linux 10 on Oracle Linux 10 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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Debian 13 — freedombox — vulnerability — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — freedombox — vulnerability — patch and remediation guide

  • October 26, 2025
  • Linux
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🟢 Low   ⏱ 5–15 min  Last verified: 26 October 2025 Affected versions: Debian 13 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2025-68462 Upstream summary: Freedombox before 25.17.1 does not set proper permissions for the backups-data directory, allowing the reading of dump files of databases. Table of contents Symptom & Impact […]

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Common Problems 119632

Debian 13 – fail2ban Not Banning on nftables Backend – Action Configuration Fix

  • October 26, 2025
  • Linux
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🟡 Medium   ⏱ 5–30 min  Last verified: 26 October 2025 Affected versions: Debian 13 (Trixie) 📖 ~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 […]

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Debian 11 — node-elliptic — multiple vulnerabilities (8 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — node-elliptic — multiple vulnerabilities (8 CVEs) — patch and remediation guide

  • October 26, 2025
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 26 October 2025 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2020-13822 CVE-2020-28498 CVE-2024-42459 CVE-2024-42460 CVE-2024-42461 CVE-2024-48948 CVE-2024-48949 CVE-2025-14505 Upstream summary: The Elliptic package 6.5.2 for Node.js allows ECDSA signature malleability via variations in encoding, leading '\0' bytes, or […]

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