Linux

Oracle Linux 8 — .NET 6.0 security and bugfix update — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — .NET 6.0 security and bugfix update

🟠 High   ⏱ 15–60 min  Last verified: 12 November 2020 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-0826 Related CVEs: CVE-2022-24464 CVE-2022-24512 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 118951

Ubuntu 14.04 LTS drops to grub rescue prompt on boot

🔴 Critical   ⏱ 5–30 min  Last verified: 12 November 2020 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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SLES 12 — npm6 — multiple vulnerabilities (10 CVEs) — patch and remediation guide — diagnosis and fix on SLES 12

SLES 12 — npm6 — multiple vulnerabilities (10 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 12 November 2020 Affected versions: SLES 12 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2020:1568-1 (see also SUSE bugzilla) Related CVEs: CVE-2020-8174 CVE-2019-15604 CVE-2019-15605 CVE-2019-15606 CVE-2019-16775 CVE-2019-16776 CVE-2019-16777 CVE-2020-7598  +2 more Upstream summary: napi_get_value_string_*() allows various kinds of memory corruption in node < 10.21.0, 12.18.0, and […]

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How to Configure Fluentd Log Collector on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Configure Fluentd Log Collector on Debian 9

Introduction Deploying configure fluentd log collector on debian 9 on a Debian 9 Stretch machine is straightforward thanks to Debian’s policy-compliant packaging. Unlike rpm-based distributions, Debian stores configuration helpers in /etc/default/, uses update-rc.d for older init scripts, and provides dpkg-reconfigure for interactive package configuration. This tutorial stays on the systemd path throughout. Prerequisites Ensure Debian […]

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Oracle Linux 8 — nodejs:16 — security and stability fixes — required update — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — nodejs:16 — security and stability fixes — required update (ELSA-2022-6449)

🟡 Medium   ⏱ 10–30 min  Last verified: 11 November 2020 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-6449 Related CVEs: CVE-2021-3807 CVE-2022-32213 CVE-2022-32212 CVE-2022-32214 CVE-2022-32215 CVE-2022-33987 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 118086

Ubuntu 18.04 LTS – kubelet fails to start due to cgroup driver mismatch – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 11 November 2020 Affected versions: Ubuntu 18.04 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 118041

Ubuntu 18.04 Failed to Mount /boot or /boot/efi

🟡 Medium   ⏱ 5–30 min  Last verified: 11 November 2020 📖 ~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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Gentoo Linux — kde-apps/ark — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Gentoo Linux

Gentoo Linux — kde-apps/ark — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read  •  Source: Gentoo GLSA GLSA-202101-06 Related CVEs: CVE-2020-24654 CVE-2020-16116 Upstream summary: KDE Ark did not fully verify symlinks contained within tar archives. Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage […]

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SLES 12 — icu — multiple vulnerabilities (11 CVEs) — patch and remediation guide — diagnosis and fix on SLES 12

SLES 12 — icu — multiple vulnerabilities (11 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 11 November 2020 Affected versions: SLES 12 📖 ~4 min read  •  Source: SUSE advisory SUSE-CU-2020:773-1 (see also SUSE bugzilla) Related CVEs: CVE-2020-10531 CVE-2020-21913 CVE-2014-8146 CVE-2014-8147 CVE-2014-9654 CVE-2016-6293 CVE-2017-14952 CVE-2017-15422  +3 more Upstream summary: An issue was discovered in International Components for Unicode (ICU) for C/C++ through […]

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