2025 - Page 668 of 1252

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

Oracle Linux 8 — Unbreakable Enterprise kernel — vulnerability — patch and remediation guide (ELSA-2025-20521)

  • June 25, 2025
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 25 June 2025 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2025-20521 Related CVEs: CVE-2023-6931 CVE-2024-36350 CVE-2024-36357 CVE-2024-38541 CVE-2024-56655 CVE-2025-37819 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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How to Migrate from AIX 7.2 to AIX 7.3 — step-by-step IBM AIX 7.3 tutorial on Progressive Robot

How to Migrate from AIX 7.2 to AIX 7.3

  • June 25, 2025
  • IBM AIX
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Introduction IBM AIX 7.3 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 7.3 introduces enhanced virtualization, security hardening, and cloud integration features. This guide covers how to migrate from aix 7.2 to aix 7.3 on IBM […]

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Windows Server 2022 — KB5058497 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2022

Windows Server 2022 — KB5058497 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Windows Server 2022 📖 ~4 min read  •  Source: Microsoft KB5058497 • MSRC update-guide entry Related CVEs: CVE-2025-32710 CVE-2025-29966 CVE-2025-29967 CVE-2025-29833 CVE-2024-49128 CVE-2025-47955 CVE-2025-29959 CVE-2025-29960  +12 more Affected components: Windows Server 2022 Windows Server 2022, 23H2 Edition (Server Core installation) Microsoft summary: […]

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openSUSE Leap 15.6 — fetchmail — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Leap 15.6

openSUSE Leap 15.6 — fetchmail — vulnerability — patch and remediation guide

  • June 25, 2025
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Leap 15.6 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2025:3845-1 (see also SUSE bugzilla) Related CVEs: CVE-2025-61962 Upstream summary: In fetchmail before 6.5.6, the SMTP client can crash when authenticating upon receiving a 334 status code in a malformed context. […]

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Windows Server 2016 — KB5052038 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2016

Windows Server 2016 — KB5052038 — 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 KB5052038 • MSRC update-guide entry Related CVEs: CVE-2025-21376 CVE-2025-21352 CVE-2025-21368 CVE-2025-21369 CVE-2025-21375 CVE-2025-21418 CVE-2025-21208 CVE-2025-21406  +12 more Affected components: Windows Server 2016 Table of contents Symptom & Impact Environment & Reproduction Root […]

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Oracle Linux 8 — mariadb:10.5 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — mariadb:10.5 — vulnerability — patch and remediation guide (ELSA-2025-19572)

  • June 25, 2025
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 June 2025 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2025-19572 Related CVEs: CVE-2025-21490 CVE-2023-52969 CVE-2025-30693 CVE-2025-30722 CVE-2023-52970 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative […]

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How to Audit Linux Security with Lynis on RHEL 9 — step-by-step RHEL 9 tutorial on Progressive Robot

How to Audit Linux Security with Lynis on RHEL 9

  • June 25, 2025
  • Linux
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Security auditing is a critical practice for any Linux administrator responsible for maintaining compliant and hardened systems. Lynis is a free, open-source security auditing tool that performs deep system scans and produces actionable hardening recommendations. On RHEL 9, Lynis integrates seamlessly and covers hundreds of security controls across authentication, networking, storage, and more. This tutorial […]

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Oracle Linux 8 — libreoffice — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — libreoffice — vulnerability — patch and remediation guide (ELSA-2024-5598)

  • June 25, 2025
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 June 2025 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2024-5598 Related CVEs: CVE-2024-6472 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

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AlmaLinux 8 — ipa-healthcheck — multiple vulnerabilities (9 CVEs) — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — ipa-healthcheck — multiple vulnerabilities (9 CVEs) — patch and remediation guide

  • June 25, 2025
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2025:21140 Related CVEs: CVE-2025-59088 CVE-2025-59089 CVE-2025-7493 CVE-2025-4404 CVE-2024-2698 CVE-2024-3183 CVE-2020-17049 CVE-2023-5455  +1 more Upstream summary: AlmaLinux Identity Management (IdM) is a centralized authentication, identity management, and authorization solution for both traditional and […]

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Common Problems 111118

Windows Server 2025 — User quota report showing incorrect usage due to hard link counting — Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 25 June 2025 Affected versions: Windows Server 2025 📖 ~2 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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