Ubuntu 20.04

Ubuntu 20.04 — nodejs — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — nodejs — multiple vulnerabilities (20 CVEs) — patch and remediation guide

  • May 14, 2023
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 14 May 2023 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7469-3 Related CVEs: CVE-2023-44487 CVE-2023-30588 CVE-2023-30589 CVE-2023-30590 CVE-2023-23919 CVE-2023-23920 CVE-2023-2650 CVE-2022-32212  +12 more Upstream summary: USN-7469-1 fixed a vulnerability in Apache Traffic Server. This update provides the corresponding updates for […]

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Ubuntu 20.04 — isc-dhcp — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — isc-dhcp — multiple vulnerabilities (3 CVEs) — patch and remediation guide

  • May 13, 2023
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 13 May 2023 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5658-1 Related CVEs: CVE-2022-2928 CVE-2022-2929 CVE-2021-25217 Upstream summary: It was discovered that DHCP incorrectly handled option reference counting. A remote attacker could possibly use this issue to cause DHCP servers […]

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Ubuntu 20.04 — node-moment — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — node-moment — multiple vulnerabilities (2 CVEs) — patch and remediation guide

  • May 12, 2023
  • Linux
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🟢 Low   ⏱ 5–15 min  Last verified: 12 May 2023 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5559-1 Related CVEs: CVE-2022-24785 CVE-2022-31129 Upstream summary: It was discovered that Moment.js incorrectly handled certain input paths. An attacker could possibly use this issue to cause a loss of integrity […]

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Ubuntu 20.04 — gnome-control-center — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — gnome-control-center — vulnerability — patch and remediation guide

  • May 12, 2023
  • Linux
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🟢 Low   ⏱ 5–15 min  Last verified: 12 May 2023 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6554-1 Related CVEs: CVE-2023-5616 Upstream summary: Zygmunt Krynicki discovered that GNOME Settings did not accurately reflect the SSH remote login status when the system was configured to use systemd socket […]

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How To Install R on Ubuntu 20.04 [Quickstart] — step-by-step Linux tutorial on Progressive Robot

How To Install R on Ubuntu 20.04 [Quickstart]

  • May 10, 2023
  • Linux
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An open-source programming language, R specializes in statistical computing and graphics. In this tutorial, we will install R on an Ubuntu 20.04 server. For a more detailed version of this tutorial, with more thorough explanations of each step, please refer to [How To…

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Common Problems 117531

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

  • May 8, 2023
  • Linux
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🟠 High   ⏱ 5–30 min  Last verified: 8 May 2023 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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Common Problems 117602

Ubuntu 20.04 LTS User Login Loop at GDM

  • May 7, 2023
  • Linux
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🟡 Medium   ⏱ 5–30 min  Last verified: 7 May 2023 Affected versions: 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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