Logging Monitoring

Common Problems 115596

RHEL 7 SELinux Policy Module Outdated After Security Update

🟡 Medium   ⏱ 5–30 min  Last verified: 17 January 2021 Affected versions: RHEL 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 & Hardening Related Errors & […]

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Ubuntu 18.04 — node-trim-newlines — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — node-trim-newlines — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 17 January 2021 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5999-1 Related CVEs: CVE-2021-33623 Upstream summary: It was discovered that trim-newlines incorrectly handled certain inputs. If a user or an automated system were tricked into opening a specially crafted input […]

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Oracle Linux 8 — dhcp — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — dhcp — vulnerability — patch and remediation guide (ELSA-2021-2359)

🟠 High   ⏱ 15–60 min  Last verified: 17 January 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2021-2359 Related CVEs: CVE-2021-25217 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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Arch Linux — ark — multiple vulnerabilities (2 CVEs) — patch and remediation guide

Arch Linux — ark — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Arch Linux (rolling release) 📖 ~4 min read  •  Source: Arch ASA ASA-202009-2 Related CVEs: CVE-2020-24654 CVE-2017-5330 Upstream summary: Type: arbitrary filesystem access. Status: Fixed. Affected: 20.08.0-1. Fixed in: 20.08.0-2. Group: AVG-1216. Table of contents Symptom & Impact Environment & Reproduction Root […]

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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-2021-9474)

🟠 High   ⏱ 15–60 min  Last verified: 17 January 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2021-9474 Related CVEs: CVE-2021-3743 CVE-2021-40490 CVE-2021-3739 CVE-2021-37159 CVE-2021-38198 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative […]

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IBM AIX 7.1 — CVE-2020-4762 — vulnerability — patch and remediation guide — diagnosis and fix on IBM AIX 7.1

IBM AIX 7.1 — CVE-2020-4762 — vulnerability — patch and remediation guide

🟠 High   ⏱ 30–90 min  Last verified: 17 January 2021 Affected versions: IBM AIX 7.1 📖 ~4 min read  •  Source: NVD CVE-2020-4762, IBM Support Bulletin CVE: CVE-2020-4762 NVD summary: IBM Sterling B2B Integrator Standard Edition 5.2.0.0 through 5.2.6.5_2, 6.0.0.0 through 6.0.3.2, and 6.1.0.0 could allow an authenticated user to create a privileged account […]

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Common Problems 125104

Oracle Linux 8 – Common Problem 014 – Diagnosis and Fix

🟡 Medium   ⏱ 5–30 min  Last verified: 16 January 2021 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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Alpine Linux edge — cpio — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux edge

Alpine Linux edge — cpio — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 2.13-r2 📖 ~4 min read  •  Source: Alpine secdb entry — cpio 2.13-r2 Related CVEs: CVE-2021-38185 CVE-2015-1197 CVE-2019-14866 CVE-2016-2037 Upstream summary: Alpine community repository for vedge ships cpio 2.13-r2 which addresses CVE-2021-38185. Table of contents Symptom […]

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Common Problems 115473

RHEL 7 – Incorrect fstab Entry Sends Host to Emergency Mode

🟡 Medium   ⏱ 5–30 min  Last verified: 16 January 2021 📖 ~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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FreeBSD 12 — sympa — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — sympa — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 16 January 2021 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: sympa — Inappropriate use of the cookie parameter can be a security threat. This parameter may also not provide sufficient security. Related CVEs: CVE-2005-0073 CVE-2012-2352 CVE-2015-1306 CVE-2020-29668 CVE-2020-9369 Upstream summary: […]

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