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Common Problems 116907

Ubuntu 22.04 Netplan Configuration Leaves Server Without Network

🟡 Medium   ⏱ 5–30 min  Last verified: 10 May 2022 📖 ~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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FreeBSD 13 — msmtp — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — msmtp — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 9 May 2022 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: msmtp — certificate-verification issue Related CVEs: CVE-2019-8337 Upstream summary: msmtp developers report: In msmtp 1.8.2, when tls_trust_file has its default configuration, certificate-verification results are not properly checked. Table of contents […]

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FreeBSD 13 — electrum-py — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — electrum-py — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 9 May 2022 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: electrum — JSONRPC vulnerability Related CVEs: CVE-2018-6353 Upstream summary: MITRE reports: JSONRPC vulnerability Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution […]

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AlmaLinux 8 — rpmdevtools — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — rpmdevtools — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALBA-2020:4828 Upstream summary: For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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How to Configure ZFS on CentOS Stream 9 — step-by-step CentOS Stream 9 tutorial on Progressive Robot

How to Configure ZFS on CentOS Stream 9

Introduction How to Configure ZFS on CentOS Stream 9 on CentOS Stream 9 provides administrators with a robust, enterprise-ready workflow that integrates cleanly with systemd, SELinux, firewalld, and the modern AppStream module system. In this tutorial we will walk through every step required, from package installation to verification, so that the resulting configuration is reproducible […]

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Oracle Linux 8 — cups — security and stability fixes — required update — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — cups — security and stability fixes — required update (ELSA-2020-4469)

🟢 Low   ⏱ 5–15 min  Last verified: 9 May 2022 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2020-4469 Related CVEs: CVE-2020-3898 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

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FreeBSD 13 — mod_dav_svn — multiple vulnerabilities (9 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — mod_dav_svn — multiple vulnerabilities (9 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 9 May 2022 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: Subversion — Multiple vulnerabilities in server code Related CVEs: CVE-2014-3580 CVE-2014-8108 CVE-2015-0202 CVE-2015-0248 CVE-2015-0251 CVE-2015-5259 CVE-2015-5343 CVE-2021-28544  +1 more Upstream summary: Subversion project reports: Subversion servers reveal 'copyfrom' paths that […]

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Debian 11 — aview — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — aview — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 9 May 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2008-4935 Upstream summary: asciiview in aview 1.3.0 allows local users to overwrite arbitrary files via a symlink attack on a /tmp/aview#####.pgm temporary file. Table of contents Symptom & […]

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