Common Problems

Common Problems 116534

Ubuntu 24.04 LTS – Docker permission denied on /var/run/docker.sock – Fix & Prevention (FIX-PREVENTION-2)

🟡 Medium   ⏱ 5–30 min  Last verified: 19 May 2026 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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Oracle Linux 9 — .NET 8.0 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — .NET 8.0 — vulnerability — patch and remediation guide (ELSA-2024-0152)

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2024-0152 Related CVEs: CVE-2024-21319 CVE-2024-0056 CVE-2024-0057 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 117031

Ubuntu 22.04 LTS – ext4 filesystem errors force read-only remount – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 19 May 2026 Affected versions: Ubuntu 22.04 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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Oracle Linux 8 — firefox — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — firefox — vulnerability — patch and remediation guide (ELSA-2022-4776)

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-4776 Related CVEs: CVE-2022-1529 CVE-2022-1802 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 117531

Ubuntu 20.04 LTS – SSH key authentication fails due to permission errors – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 19 May 2026 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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SLES 16 — npm22 — multiple vulnerabilities (19 CVEs) — patch and remediation guide — diagnosis and fix on SLES 16

SLES 16 — npm22 — multiple vulnerabilities (19 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: SLES 16 📖 ~4 min read  •  Source: SUSE advisory RHSA-2026:1842 (see also SUSE bugzilla) Related CVEs: CVE-2025-55130 CVE-2025-55131 CVE-2025-59465 CVE-2025-23083 CVE-2025-23166 CVE-2025-59466 CVE-2026-21637 CVE-2026-22036  +11 more Upstream summary: A flaw in Node.js's Permissions model allows attackers to bypass `–allow-fs-read` and `–allow-fs-write` […]

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Common Problems 118036

Ubuntu 18.04 LTS – SSH key authentication fails due to permission errors – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 19 May 2026 Affected versions: Ubuntu 18.04 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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SLES 15 — vim — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — vim — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2026:1347-1 (see also SUSE bugzilla) Related CVEs: CVE-2026-34714 CVE-2026-34982 CVE-2023-4750 CVE-2024-22667 CVE-2023-5535 CVE-2023-4733 CVE-2023-4738 CVE-2023-4752  +12 more Upstream summary: Vim before 9.2.0272 allows code execution that happens immediately upon opening a crafted […]

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Common Problems 118531

Ubuntu 16.04 LTS – cloud-init stalls and delays first boot provisioning – Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 19 May 2026 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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SLES 12 — gdm — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on SLES 12

SLES 12 — gdm — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: SLES 12 📖 ~4 min read  •  Source: SUSE advisory SUSE-RU-2025:20479-1 (see also SUSE bugzilla) Related CVEs: CVE-2025-6018 CVE-2020-16125 CVE-2011-1709 CVE-2018-14424 Upstream summary: A Local Privilege Escalation (LPE) vulnerability has been discovered in pam-config within Linux Pluggable Authentication Modules (PAM). This flaw […]

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