January 2022 - Page 5 of 72

Ubuntu 20.04 — dbus — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — dbus — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5704-1 Related CVEs: CVE-2022-42010 CVE-2022-42011 CVE-2022-42012 CVE-2020-35512 CVE-2020-12049 Upstream summary: It was discovered that DBus incorrectly handled messages with invalid type signatures. A local attacker could possibly use this issue […]

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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-2023-12017)

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-12017 Related CVEs: CVE-2022-42896 CVE-2022-42895 CVE-2022-4378 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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Oracle Linux 8 — vim — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — vim — vulnerability — patch and remediation guide (ELSA-2022-0894)

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-0894 Related CVEs: CVE-2022-0392 CVE-2022-0359 CVE-2022-0361 CVE-2022-0413 CVE-2022-0318 CVE-2022-0261 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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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-2023-12018)

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-12018 Related CVEs: CVE-2022-42896 CVE-2022-42895 CVE-2022-4378 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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How To Install and Configure ownCloud on Ubuntu 18.04 — step-by-step Linux tutorial on Progressive Robot

How To Install and Configure ownCloud on Ubuntu 18.04

ownCloud is an open-source file sharing server and collaboration platform that can store your personal content, like documents and pictures, in a centralized location. This allows you to take control of your content and security by not relying on third-party content hosting…

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How to Build Docker Images with Multi-Stage Builds on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Build Docker Images with Multi-Stage Builds on RHEL 8

Multi-stage builds are one of the most powerful features in Docker, allowing you to produce lean production images by separating the build environment from the runtime environment. On RHEL 8, where production image size and attack surface matter, multi-stage builds reduce final image size dramatically by discarding build tools and intermediate artifacts. This tutorial walks […]

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AlmaLinux 8 — scap-security-guide — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — scap-security-guide — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALBA-2022:1900 Upstream summary: For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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Common Problems 125193

Oracle Linux 8 – Common Problem 023 – Diagnosis and Fix

🟢 Low   ⏱ 5–30 min  Last verified: 20 May 2026 Affected versions: Oracle Linux 8 📖 ~3 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-2021-38954 — vulnerability — patch and remediation guide — diagnosis and fix on IBM AIX 7.3

IBM AIX 7.3 — CVE-2021-38954 — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 15–45 min  Last verified: 25 May 2026 Affected versions: IBM AIX 7.3 📖 ~4 min read  •  Source: NVD CVE-2021-38954, IBM Support Bulletin CVE: CVE-2021-38954 NVD summary: IBM Sterling B2B Integrator Standard Edition 6.0.0.0 through 6.0.3.5 and 6.1.0.0 through 6.1.1.0 could disclose sensitive version information that could aid in future attacks […]

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