Common Problems

Ubuntu 18.04 — zziplib — multiple vulnerabilities (9 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — zziplib — multiple vulnerabilities (9 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 9 November 2020 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6298-1 Related CVEs: CVE-2018-7727 CVE-2020-18442 CVE-2018-6381 CVE-2018-6484 CVE-2018-6540 CVE-2018-6541 CVE-2018-6869 CVE-2018-7725  +1 more Upstream summary: Liu Zhu discovered that ZZIPlib incorrectly handled certain inputs. If a user or an automated […]

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Gentoo Linux — dev-vcs/fossil — vulnerability — patch and remediation guide — diagnosis and fix on Gentoo Linux

Gentoo Linux — dev-vcs/fossil — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read  •  Source: Gentoo GLSA GLSA-202011-04 Related CVEs: CVE-2020-24614 Upstream summary: Multiple vulnerabilities have been discovered in Fossil. Please review the CVE identifiers referenced below for details. Table of contents Symptom & Impact Environment & Reproduction Root […]

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SLES 15 — kubernetes-client — multiple vulnerabilities (9 CVEs) — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — kubernetes-client — multiple vulnerabilities (9 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 9 November 2020 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory SUSE-CU-2020:783-1 (see also SUSE bugzilla) Related CVEs: CVE-2020-15106 CVE-2020-15112 CVE-2020-8557 CVE-2020-8565 CVE-2020-8566 CVE-2020-15184 CVE-2020-15185 CVE-2020-15186  +1 more Upstream summary: In etcd before versions 3.3.23 and 3.4.10, a large slice causes panic in […]

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Oracle Linux 8 — fence-agents — security and stability fixes — required update — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — fence-agents — security and stability fixes — required update (ELSA-2024-2968)

🟡 Medium   ⏱ 10–30 min  Last verified: 8 November 2020 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2024-2968 Related CVEs: CVE-2024-22195 CVE-2023-45803 CVE-2023-52323 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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Common Problems 112431

Windows Server 2019 – Cluster Shared Volume remains in redirected mode – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 8 November 2020 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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Alpine Linux edge — glib-networking — vulnerability — patch and remediation guide — diagnosis and fix on Alpine Linux edge

Alpine Linux edge — glib-networking — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 2.64.3-r0 📖 ~4 min read  •  Source: Alpine secdb entry — glib-networking 2.64.3-r0 Related CVEs: CVE-2020-13645 Upstream summary: Alpine community repository for vedge ships glib-networking 2.64.3-r0 which addresses CVE-2020-13645. Table of contents Symptom & Impact Environment […]

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Oracle Linux 8 — lua — security and stability fixes — required update — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — lua — security and stability fixes — required update (ELSA-2019-3706)

🟡 Medium   ⏱ 10–30 min  Last verified: 7 November 2020 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2019-3706 Related CVEs: CVE-2019-6706 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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openSUSE Tumbleweed — openfortivpn — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — openfortivpn — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory openSUSE-SU-2020:0301-1 (see also SUSE bugzilla) Related CVEs: CVE-2020-7041 CVE-2020-7042 CVE-2020-7043 Upstream summary: An issue was discovered in openfortivpn 1.11.0 when used with OpenSSL 1.0.2 or later. tunnel.c mishandles certificate validation because an […]

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Common Problems 118583

Ubuntu 16.04 LTS – journald grows rapidly and fills /var – Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 7 November 2020 Affected versions: Ubuntu 16.04 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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Common Problems 118426

Ubuntu 16.04 LTS – DNS resolution fails after network config changes

🟠 High   ⏱ 5–30 min  Last verified: 7 November 2020 Affected versions: Ubuntu 16.04 LTS Ubuntu 16.04 Ubuntu 16.04.7 📖 ~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 […]

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