Linux

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

Oracle Linux 8 — libreoffice security, bug fix, and — enhancement update — new behaviour and fixes (ELSA-2022-1766)

  • July 19, 2021
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 19 July 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-1766 Related CVEs: CVE-2021-25633 CVE-2021-25634 CVE-2021-25635 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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Common Problems 119157

Ubuntu 14.04 LTS Kernel Panic Triggered by Outdated Third-Party Module

  • July 19, 2021
  • Linux
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🔴 Critical   ⏱ 5–30 min  Last verified: 19 July 2021 Affected versions: 14.04 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 118499

Ubuntu 16.04 LTS Docker Daemon Fails on overlay2 Metadata

  • July 19, 2021
  • Linux
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🟠 High   ⏱ 5–30 min  Last verified: 19 July 2021 Affected versions: 16.04 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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AlmaLinux 8 — xmlgraphics-commons — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — xmlgraphics-commons — vulnerability — patch and remediation guide

  • July 19, 2021
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALBA-2020:5097 Upstream summary: Eclipse is an integrated development environment (IDE). The metadata for the eclipse:rhel8 module has been updated to remove the following unused profiles: c everything To check whether you have […]

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Arch Linux — matrix-synapse — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Arch Linux

Arch Linux — matrix-synapse — multiple vulnerabilities (4 CVEs) — patch and remediation guide

  • July 19, 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-202011-23 Related CVEs: CVE-2020-26890 CVE-2020-26891 CVE-2019-5885 CVE-2021-29471 Upstream summary: Type: denial of service. Status: Fixed. Affected: 1.19.1-1. Fixed in: 1.20.1-1. Group: AVG-1296. Table of contents Symptom & Impact Environment & […]

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SLES 15 — libpoppler89 — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — libpoppler89 — multiple vulnerabilities (4 CVEs) — patch and remediation guide

  • July 19, 2021
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 19 July 2021 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE security advisory (see also SUSE bugzilla) Related CVEs: CVE-2021-30860 CVE-2020-36023 CVE-2019-16115 CVE-2019-9545 Upstream summary: An integer overflow was addressed with improved input validation. This issue is fixed in Security Update 2021-005 Catalina, iOS […]

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How to Configure PostgreSQL Remote Access and SSL on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Configure PostgreSQL Remote Access and SSL on RHEL 8

  • July 19, 2021
  • Linux
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A default PostgreSQL installation on RHEL 8 only accepts connections from the local machine over a Unix socket. To allow client applications on other hosts to connect, you must configure the server to listen on a network interface, update the host-based authentication file, open the firewall port, and enable SSL so that credentials and data […]

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Oracle Linux 8 — python-cryptography security, bug fix, and — enhancement update — new behaviour and fixes — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — python-cryptography security, bug fix, and — enhancement update — new behaviour and fixes (ELSA-2021-1608)

  • July 18, 2021
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 18 July 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2021-1608 Related CVEs: CVE-2020-36242 CVE-2020-25659 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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