January 2023 - Page 32 of 72

Common Problems 116981

Ubuntu 22.04 LTS – SSH login fails after hardening due to incorrect permissions – 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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Debian 11 — nekohtml — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — nekohtml — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2022-24839 Upstream summary: org.cyberneko.html is an html parser written in Java. The fork of `org.cyberneko.html` used by Nokogiri (Rubygem) raises a `java.lang.OutOfMemoryError` exception when parsing ill-formed HTML markup. […]

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Ubuntu 20.04 — slurm-llnl — multiple vulnerabilities (12 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — slurm-llnl — multiple vulnerabilities (12 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6458-1 Related CVEs: CVE-2022-29500 CVE-2022-29501 CVE-2022-29502 CVE-2016-10030 CVE-2017-15566 CVE-2018-7033 CVE-2018-10995 CVE-2019-6438  +4 more Upstream summary: It was discovered that Slurm did not properly handle credential management, which could allow an […]

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Oracle Linux 8 — virt:kvm_utils2 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — virt:kvm_utils2 — vulnerability — patch and remediation guide (ELSA-2023-12195)

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-12195 Related CVEs: CVE-2022-1050 CVE-2022-4172 CVE-2022-4144 CVE-2022-3165 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches […]

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How to Configure Windows Server 2022 Windows Containers — step-by-step Windows Server 2022 tutorial on Progressive Robot

How to Configure Windows Server 2022 Windows Containers

Overview of Windows Event Forwarding Windows Event Forwarding (WEF) is a built-in Windows mechanism that allows events recorded in the Windows Event Log on one machine (the source) to be pushed or pulled to a central collection server (the collector). WEF operates over HTTPS using WS-Management (WinRM) as its transport protocol, meaning it uses port […]

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Oracle Linux 8 — linux-firmware — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — linux-firmware — vulnerability — patch and remediation guide (ELSA-2024-12797)

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2024-12797 Related CVEs: CVE-2023-31356 CVE-2023-20584 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 9 — dbus-broker — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — dbus-broker — vulnerability — patch and remediation guide (ELSA-2022-6608)

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-6608 Related CVEs: CVE-2022-31213 CVE-2022-31212 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 — 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-2022-9829)

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-9829 Related CVEs: CVE-2022-21546 CVE-2022-1280 CVE-2021-3669 CVE-2022-2586 CVE-2022-21385 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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Oracle Linux 8 — linux-firmware — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — linux-firmware — vulnerability — patch and remediation guide (ELSA-2023-12714)

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-12714 Related CVEs: CVE-2023-20569 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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Debian 11 — binutils — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — binutils — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2005-4807 CVE-2005-4808 CVE-2006-2362 CVE-2008-2310 CVE-2012-3509 CVE-2014-8484 CVE-2014-8485 CVE-2014-8501  +12 more Upstream summary: Stack-based buffer overflow in the as_bad function in messages.c in the GNU as (gas) assembler in […]

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