March 2022 - Page 19 of 70

Common Problems 120635

Debian 11 NTP Sync Not Active and Clock Drift Increases

🟡 Medium   ⏱ 5–30 min  Last verified: 24 March 2022 Affected versions: Debian 11 đź“– ~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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Oracle Linux 8 — edk2 security, bug fix, and — enhancement update — new behaviour and fixes — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — edk2 security, bug fix, and — enhancement update — new behaviour and fixes (ELSA-2019-3338)

🟡 Medium   ⏱ 10–30 min  Last verified: 23 March 2022 Affected versions: Oracle Linux 8 đź“– ~4 min read  â€˘  Source: ELSA advisory ELSA-2019-3338 Related CVEs: CVE-2019-0160 CVE-2018-12181 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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AlmaLinux 8 — perftest — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — perftest — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 đź“– ~4 min read  â€˘  Source: AlmaLinux ALSA ALEA-2022:2014 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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FreeBSD 12 — py39-ansible-core — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — py39-ansible-core — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 23 March 2022 Affected versions: FreeBSD 12 đź“– ~4 min read  â€˘  Source: FreeBSD VuXML VuXML topic: Ansible — Ansible user credentials disclosure in ansible-connection module Related CVEs: CVE-2021-3583 CVE-2021-3620 Upstream summary: Red Hat reports: A flaw was found in Ansible Engine's ansible-connection module, where sensitive information […]

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How to Set Up a Static IP Address on CentOS Stream 9 — step-by-step CentOS Stream 9 tutorial on Progressive Robot

How to Set Up a Static IP Address on CentOS Stream 9

Introduction How to Set Up a Static IP Address 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 […]

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Common Problems 120492

Debian 11: systemd unit enters start-limit-hit

đźź  High   ⏱ 5–30 min  Last verified: 23 March 2022 Affected versions: Debian 11 đź“– ~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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FreeBSD 13 — bind9-sdb-postgresql — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — bind9-sdb-postgresql — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 23 March 2022 Affected versions: FreeBSD 13 đź“– ~4 min read  â€˘  Source: FreeBSD VuXML VuXML topic: BIND — Large RRSIG RRsets and Negative Caching DoS Related CVEs: CVE-2009-0696 CVE-2011-1910 Upstream summary: ISC reports: A BIND 9 DNS server set up to be a caching resolver is […]

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Common Problems 118046

Ubuntu 18.04 LTS – UFW policy change blocks SSH and remote administration – Fix & Prevention

đź”´ Critical   ⏱ 5–30 min  Last verified: 23 March 2022 Affected versions: Ubuntu 18.04 LTS đź“– ~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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Debian 11 — flask-caching — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — flask-caching — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 23 March 2022 Affected versions: Debian 11 (bullseye) đź“– ~4 min read  â€˘  Source: Debian Security Tracker Related CVEs: CVE-2021-33026 Upstream summary: The Flask-Caching extension through 1.10.1 for Flask relies on Pickle for serialization, which may lead to remote code execution or local privilege escalation. If an […]

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

Debian 11 — pikepdf — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 23 March 2022 Affected versions: Debian 11 (bullseye) đź“– ~4 min read  â€˘  Source: Debian Security Tracker Related CVEs: CVE-2021-29421 Upstream summary: models/metadata.py in the pikepdf package 1.3.0 through 2.9.2 for Python allows XXE when parsing XMP metadata entries. Table of contents Symptom & Impact Environment & […]

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