Security Hardening

NetBSD 10.0 — py-lmbd — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on NetBSD 10.0

NetBSD 10.0 — py-lmbd — multiple vulnerabilities (5 CVEs) — patch and remediation guide

  • July 20, 2025
  • BSD
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: NetBSD 10.0 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Related CVEs: CVE-2019-16224 CVE-2019-16225 CVE-2019-16226 CVE-2019-16227 CVE-2019-16228 Upstream summary: pkgsrc audit-packages flagged py{27,34,35,36,37,38}-lmbd-[0-9]* for vulnerability class 'out-of-bounds-write'. Reference: https://nvd.nist.gov/vuln/detail/CVE-2019-16224 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis […]

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Common Problems 127203

CentOS Stream 10 – Common Problem 199 – Diagnosis and Fix

  • July 20, 2025
  • Linux
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🟢 Low   ⏱ 5–30 min  Last verified: 20 July 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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How to Configure SSH Key Authentication on CentOS Stream 10 — step-by-step CentOS Stream 10 tutorial on Progressive Robot

How to Configure SSH Key Authentication on CentOS Stream 10

  • July 20, 2025
  • CentOS
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Introduction Setting up configure ssh key authentication on centos stream 10 on a CentOS Stream 10 server is a common task for system administrators, DevOps engineers, and site reliability engineers. This guide explains how to Configure SSH Key Authentication on CentOS Stream 10, with all the commands you need, the SELinux and firewalld considerations to […]

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NetBSD 10.0 — mednafen — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 10.0

NetBSD 10.0 — mednafen — vulnerability — patch and remediation guide

  • July 20, 2025
  • BSD
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: NetBSD 10.0 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Upstream summary: pkgsrc audit-packages flagged mednafen<0.8.13 for vulnerability class 'buffer-overflow'. Reference: http://secunia.com/advisories/41337/ Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary […]

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Common Problems 124174

Oracle Linux 10 – multipathd reports path flapping and storage latency spikes – Fix & Prevention

  • July 20, 2025
  • Linux
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🔴 Critical   ⏱ 5–30 min  Last verified: 20 July 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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NetBSD 10.0 — xenkernel41 — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on NetBSD 10.0

NetBSD 10.0 — xenkernel41 — multiple vulnerabilities (2 CVEs) — patch and remediation guide

  • July 20, 2025
  • BSD
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🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: NetBSD 10.0 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Related CVEs: CVE-2013-1432 CVE-2013-6885 Upstream summary: pkgsrc audit-packages flagged xenkernel41<4.1.6.1 for vulnerability class 'privilege-escalation'. Reference: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2013-1432 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step […]

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Common Problems 124030

Oracle Linux 10 – new kernel installed but system still boots old kernel – Fix & Prevention

  • July 20, 2025
  • Linux
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🟡 Medium   ⏱ 5–30 min  Last verified: 20 July 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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NetBSD 10.0 — win32-codecs — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 10.0

NetBSD 10.0 — win32-codecs — vulnerability — patch and remediation guide

  • July 20, 2025
  • BSD
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🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: NetBSD 10.0 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Upstream summary: pkgsrc audit-packages flagged win32-codecs<071007 for vulnerability class 'arbitrary-code-execution'. Reference: http://www.gentoo.org/security/en/glsa/glsa-200803-08.xml Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary […]

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How to Install Helm on Oracle Linux 10 — step-by-step Oracle Linux 10 tutorial on Progressive Robot

How to Install Helm on Oracle Linux 10

Introduction This tutorial demonstrates how to Install Helm on Oracle Linux 10 on Oracle Linux 10. 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 Oracle Linux 10 system with the default AppStream […]

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Common Problems 116630

Ubuntu 24.04 LTS – systemd service fails to start after package upgrade – Fix & Prevention

  • July 20, 2025
  • Linux
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🟠 High   ⏱ 5–30 min  Last verified: 20 July 2025 Affected versions: Ubuntu 24.04 LTS 📖 ~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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