Common Problems

Oracle Linux 8 — nodejs:14 security, bug fix, and — enhancement update — new behaviour and fixes — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — nodejs:14 security, bug fix, and — enhancement update — new behaviour and fixes (ELSA-2023-0050)

  • March 7, 2021
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 7 March 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-0050 Related CVEs: CVE-2021-44906 CVE-2022-0235 CVE-2022-3517 CVE-2022-43548 CVE-2022-24999 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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Gentoo Linux — net-ftp/pure-ftpd — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Gentoo Linux

Gentoo Linux — net-ftp/pure-ftpd — multiple vulnerabilities (2 CVEs) — patch and remediation guide

  • March 7, 2021
  • Linux
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🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read  •  Source: Gentoo GLSA GLSA-202003-54 Related CVEs: CVE-2020-9274 CVE-2020-9365 Upstream summary: Multiple vulnerabilities have been discovered in Pure-FTPd. Please review the CVE identifiers referenced below for details. Table of contents Symptom & Impact Environment & Reproduction […]

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Common Problems 118391

Ubuntu 16.04 Wi-Fi disconnects or fails to reconnect

  • March 7, 2021
  • Linux
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🟡 Medium   ⏱ 5–30 min  Last verified: 7 March 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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Amazon Linux 2 — dcraw — vulnerability — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — dcraw — vulnerability — patch and remediation guide

  • March 7, 2021
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2-2025-3017 Related CVEs: CVE-2021-3624 Upstream summary: There is an integer overflow vulnerability in dcraw. When the victim runs dcraw with a maliciously crafted X3F input image, arbitrary code may be […]

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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-2022-9013)

  • March 7, 2021
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 7 March 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-9013 Related CVEs: CVE-2021-4155 CVE-2021-0920 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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Arch Linux — jupyterlab — vulnerability — patch and remediation guide — diagnosis and fix on Arch Linux

Arch Linux — jupyterlab — vulnerability — patch and remediation guide

  • March 7, 2021
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Arch Linux (rolling release) 📖 ~4 min read  •  Source: Arch ASA ASA-202108-10 Related CVEs: CVE-2021-32797 Upstream summary: Type: cross-site scripting. Status: Fixed. Affected: 3.1.2-1. Fixed in: 3.1.4-1. Group: AVG-2266. Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis […]

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

Oracle Linux 8 — libgcrypt — vulnerability — patch and remediation guide (ELSA-2022-5311)

  • March 7, 2021
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 7 March 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-5311 Related CVEs: CVE-2021-40528 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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Oracle Linux 8 — kernel security, bug fix, and — enhancement update — new behaviour and fixes — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — kernel security, bug fix, and — enhancement update — new behaviour and fixes (ELSA-2024-3138)

  • March 6, 2021
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 6 March 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2024-3138 Related CVEs: CVE-2023-42755 CVE-2023-52448 CVE-2024-25742 CVE-2024-25743 CVE-2023-52620 CVE-2023-24023 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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Common Problems 121533

Debian 9: chrony not syncing and system clock drift

  • March 6, 2021
  • Linux
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🟡 Medium   ⏱ 5–30 min  Last verified: 6 March 2021 Affected versions: Debian 9 📖 ~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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