Logging Monitoring

Ubuntu 20.04 — ujson — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — ujson — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 13 March 2023 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6629-2 Related CVEs: CVE-2021-45958 CVE-2022-31116 CVE-2022-31117 Upstream summary: USN-6629-1 fixed vulnerabilities in UltraJSON. This update provides the corresponding updates for Ubuntu 20.04 LTS. Original advisory details: It was discovered that […]

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

Oracle Linux 8 — Unbreakable Enterprise kernel-container — vulnerability — patch and remediation guide (ELSA-2023-12121)

🟠 High   ⏱ 15–60 min  Last verified: 13 March 2023 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-12121 Related CVEs: CVE-2022-42896 CVE-2022-4139 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & […]

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Windows Server 2016 — KB5028952 — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2016

Windows Server 2016 — KB5028952 — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Windows Server 2016 📖 ~4 min read  •  Source: Microsoft KB5028952 • MSRC update-guide entry Related CVEs: CVE-2023-36873 CVE-2023-36899 Affected components: Microsoft .NET Framework 4.8 on Windows Server 2016 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick […]

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

Oracle Linux 9 — mysql security, bug fix, and — enhancement update — new behaviour and fixes (ELSA-2022-6590)

🟡 Medium   ⏱ 10–30 min  Last verified: 12 March 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-6590 Related CVEs: CVE-2022-21444 CVE-2022-21534 CVE-2022-21478 CVE-2022-21556 CVE-2022-21547 CVE-2022-21435 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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

Alpine Linux edge — zbar — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 0.23.93-r0 📖 ~4 min read  •  Source: Alpine secdb entry — zbar 0.23.93-r0 Related CVEs: CVE-2023-40889 CVE-2023-40890 Upstream summary: Alpine community repository for vedge ships zbar 0.23.93-r0 which addresses CVE-2023-40889. Table of contents Symptom & Impact […]

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Common Problems 112605

Windows Server 2019 — WindowsUpdate.log conversion fails because ETW decoder cannot find symbols — Fix & Prevention

🟢 Low   ⏱ 5–30 min  Last verified: 12 March 2023 Affected versions: Windows Server 2019 📖 ~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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IBM AIX 7.3 — CVE-2021-38877 — xss — patch and remediation guide — diagnosis and fix on IBM AIX 7.3

IBM AIX 7.3 — CVE-2021-38877 — xss — patch and remediation guide

🟡 Medium   ⏱ 15–45 min  Last verified: 12 March 2023 Affected versions: IBM AIX 7.3 📖 ~4 min read  •  Source: NVD CVE-2021-38877, IBM Support Bulletin CVE: CVE-2021-38877 NVD summary: IBM Jazz for Service Management 1.1.3.10 is vulnerable to stored cross-site scripting. This vulnerability allows users to embed arbitrary JavaScript code in the Web […]

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openSUSE Tumbleweed — traceroute — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — traceroute — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory SUSE-CU-2023:3924-1 (see also SUSE bugzilla) Related CVEs: CVE-2023-46316 Upstream summary: In buc Traceroute 2.0.12 through 2.1.2 before 2.1.3, the wrapper scripts do not properly parse command lines. Table of contents Symptom & […]

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Common Problems 111827

Windows Server 2022 — Failover cluster loses quorum when witness path is unreachable — Fix & Prevention

🔴 Critical   ⏱ 5–30 min  Last verified: 12 March 2023 Affected versions: Windows Server 2022 📖 ~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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