Common Problems

Common Problems 118498

SSH connection refused after reboot

🟡 Medium   ⏱ 5–30 min  Last verified: 12 May 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 — sys-devel/grub — multiple vulnerabilities (15 CVEs) — patch and remediation guide — diagnosis and fix on Gentoo Linux

Gentoo Linux — sys-devel/grub — multiple vulnerabilities (15 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-202104-05 Related CVEs: CVE-2020-10713 CVE-2020-14308 CVE-2020-14309 CVE-2020-14310 CVE-2020-14311 CVE-2020-14372 CVE-2020-15705 CVE-2020-15706  +7 more Upstream summary: Multiple vulnerabilities have been discovered in GRUB. Please review the CVE identifiers referenced below for details. Table […]

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Arch Linux — thrift — vulnerability — patch and remediation guide — diagnosis and fix on Arch Linux

Arch Linux — thrift — 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-202102-43 Related CVEs: CVE-2020-13949 Upstream summary: Type: denial of service. Status: Fixed. Affected: 0.13.0-1. Fixed in: 0.14.0-1. Group: AVG-1568. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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Ubuntu 16.04 — xdg-utils — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — xdg-utils — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 12 May 2020 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4649-2 Related CVEs: https://launchpad.net/bugs/1909941 CVE-2020-27748 CVE-2017-18266 Upstream summary: USN-4649-1 fixed vulnerabilities in xdg-utils. That update caused a regression by removing the –attach functionality in thunderbird and others applications. This update […]

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openSUSE Tumbleweed — qutebrowser — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — qutebrowser — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory openSUSE-SU-2018:2120-1 (see also SUSE bugzilla) Related CVEs: CVE-2018-10895 CVE-2018-1000559 CVE-2020-11054 Upstream summary: qutebrowser before version 1.4.1 is vulnerable to a cross-site request forgery flaw that allows websites to access 'qute://*' URLs. A […]

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Common Problems 121010

Debian 10 – Network Interface Rename Breaks Connectivity – Persistent Naming Fix

🟠 High   ⏱ 5–30 min  Last verified: 11 May 2020 Affected versions: Debian 10 📖 ~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 119013

Ubuntu 14.04 LTS system clock drift and NTP sync failure

🟡 Medium   ⏱ 5–30 min  Last verified: 11 May 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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openSUSE Tumbleweed — monit — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — monit — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE security advisory (see also SUSE bugzilla) Related CVEs: CVE-2016-7067 Upstream summary: Monit before version 5.20.0 is vulnerable to a cross site request forgery attack. Successful exploitation will enable an attacker to disable/enable all […]

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FreeBSD 12 — monitorix — security advisory — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — monitorix — security advisory — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 11 May 2020 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: monitorix — serious bug in the built-in HTTP server Upstream summary: Monitorix Project reports: A serious bug in the built-in HTTP server. It was discovered that the handle_request() routine did […]

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