July 2021 - Page 30 of 69

Common Problems 117551

Ubuntu 20.04 LTS – time sync unstable due to chrony and systemd-timesyncd conflict – Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 20 May 2026 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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Arch Linux — ppp — vulnerability — patch and remediation guide — diagnosis and fix on Arch Linux

Arch Linux — ppp — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Arch Linux (rolling release) 📖 ~4 min read  •  Source: Arch ASA ASA-202003-3 Related CVEs: CVE-2020-8597 Upstream summary: Type: arbitrary code execution. Status: Fixed. Affected: 2.4.7-6. Fixed in: 2.4.7-7. Group: AVG-1101. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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How to Set Up STONITH for Cluster Fencing on SLES 15 — step-by-step SUSE Linux Enterprise 15 tutorial on Progressive Robot

How to Set Up STONITH for Cluster Fencing on SLES 15

Introduction This tutorial covers How to Set Up STONITH for Cluster Fencing on SLES 15 on SLES 15. SLES 15 (SUSE Linux Enterprise Server 16) is SUSE’s enterprise-grade Linux distribution. It uses the zypper package manager, AppArmor for mandatory access control, and systemctl for service management. Prerequisites Ensure your SLES 15 system is up to […]

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Common Problems 115537

SELinux Blocks Custom App Port Binding

🟡 Medium   ⏱ 5–30 min  Last verified: 19 May 2026 📖 ~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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Arch Linux — vivaldi — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Arch Linux

Arch Linux — vivaldi — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Arch Linux (rolling release) 📖 ~4 min read  •  Source: Arch ASA ASA-202106-32 Related CVEs: CVE-2021-30553 CVE-2021-30552 CVE-2021-30551 CVE-2021-30550 CVE-2021-30549 CVE-2021-30548 CVE-2021-30547 CVE-2021-30546  +12 more Upstream summary: Type: multiple issues. Status: Fixed. Affected: 4.0.2312.24-1. Fixed in: 4.0.2312.25-1. Group: AVG-2058. Table of contents […]

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FreeBSD 13 — gpgme — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — gpgme — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: gpgme — heap-based buffer overflow in gpgsm status handler Related CVEs: CVE-2014-3564 Upstream summary: Tomas Trnka reports: Gpgme contains a buffer overflow in the gpgsm status handler that could possibly […]

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FreeBSD 13 — logstash-forwarder — security advisory — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — logstash-forwarder — security advisory — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: logstash-forwarder and logstash — susceptibility to POODLE vulnerability Upstream summary: Elastic reports: The combination of Logstash Forwarder and Lumberjack input (and output) was vulnerable to the POODLE attack in SSLv3 […]

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FreeBSD 12 — py310-nicotine-plus — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — py310-nicotine-plus — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: py-nicotine-plus — Denial of service vulnerability Related CVEs: CVE-2021-45848 Upstream summary: ztauras reports: Denial of service (DoS) vulnerability in Nicotine+ starting with version 3.0.3 and prior to version 3.2.1 allows […]

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