Common Problems

Oracle Linux 9 — ncurses — security and stability fixes — required update — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — ncurses — security and stability fixes — required update (ELSA-2023-6698)

🟡 Medium   ⏱ 10–30 min  Last verified: 19 February 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-6698 Related CVEs: CVE-2023-29491 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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Common Problems 119073

Ubuntu 14.04 LTS swap not activating at boot

🟡 Medium   ⏱ 5–30 min  Last verified: 19 February 2023 📖 ~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 & Cross-Refs References & Further […]

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IBM AIX 7.2 — CVE-2022-22485 — vulnerability — patch and remediation guide — diagnosis and fix on IBM AIX 7.2

IBM AIX 7.2 — CVE-2022-22485 — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 15–45 min  Last verified: 19 February 2023 Affected versions: IBM AIX 7.2 📖 ~4 min read  •  Source: NVD CVE-2022-22485, IBM Support Bulletin CVE: CVE-2022-22485 NVD summary: In some cases, an unsuccessful attempt to log into IBM Spectrum Protect Operations Center 8.1.0.000 through 8.1.14.000 does not cause the administrator's invalid sign-on […]

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Common Problems 118494

Ubuntu 16.04 LTS sudo command fails due to corrupted /etc/sudoers

🔴 Critical   ⏱ 5–30 min  Last verified: 19 February 2023 Affected versions: 16.04 📖 ~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 & Cross-Refs […]

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AlmaLinux 9 — logrotate — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 9

AlmaLinux 9 — logrotate — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 9 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2022:8393 Related CVEs: CVE-2022-1348 Upstream summary: The logrotate utility simplifies the administration of multiple log files by allowing their automatic rotation, compression, removal, and mailing. Security Fix(es): * logrotate: potential DoS from […]

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Common Problems 117617

Ubuntu 20.04 LTS – cron jobs fail silently due to environment path mismatch – Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 19 February 2023 Affected versions: Ubuntu 20.04 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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Ubuntu 16.04 — exo — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — exo — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 19 February 2023 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6008-1 Related CVEs: CVE-2022-32278 Upstream summary: It was discovered that Exo did not properly sanitized desktop files. A remote attacker could possibly use this issue to to cause a crash […]

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Common Problems 113524

Windows Server 2016 – Hyper-V checkpoint merge stuck with AVHDX growth – Fix & Prevention (FIX-PREVENTION-2)

🟠 High   ⏱ 5–30 min  Last verified: 19 February 2023 Affected versions: Windows Server 2016 📖 ~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 113481

Windows Server 2012 R2 — BITS service job database corruption — Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 19 February 2023 Affected versions: Windows Server 2012 R2 📖 ~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 […]

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