November 2021 - Page 47 of 64

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

Oracle Linux 8 — dhcp — security and stability fixes — required update (ELSA-2023-3000)

🟡 Medium   ⏱ 10–30 min  Last verified: 8 November 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-3000 Related CVEs: CVE-2022-2929 CVE-2022-2928 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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FreeBSD 13 — rubygem-actionmailer — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — rubygem-actionmailer — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 8 November 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: rails — multiple vulnerabilities Related CVEs: CVE-2013-4491 CVE-2013-6414 CVE-2013-6415 CVE-2013-6416 CVE-2013-6417 Upstream summary: Rails weblog: Rails 3.2.16 and 4.0.2 have been released! These two releases contain important security fixes, so […]

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FreeBSD 13 — pjsip-extsrtp — security advisory — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — pjsip-extsrtp — security advisory — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 8 November 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: asterisk and pjsip — multiple vulnerabilities Upstream summary: The Asterisk project reports: AST-2018-002 – By crafting an SDP message with an invalid media format description Asterisk crashes when using the […]

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Common Problems 117569

Ubuntu 20.04 disk space full due to logs and cache

🟡 Medium   ⏱ 5–30 min  Last verified: 8 November 2021 📖 ~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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AlmaLinux 8 — gpm — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — gpm — 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-2021:1915 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 Traefik Reverse Proxy on FreeBSD 13 — step-by-step FreeBSD 13 tutorial on Progressive Robot

How to Configure Traefik Reverse Proxy on FreeBSD 13

Introduction Deploying configure traefik reverse proxy on freebsd 13 on a FreeBSD 13 machine differs from Linux in several important ways: packages come from the FreeBSD Ports Collection or the binary pkg repository, services are registered in /etc/rc.conf via sysrc(8), and firewall rules are written in pf.conf(5) syntax. This tutorial stays entirely within the standard […]

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

Debian 11 — hpsockd — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 8 November 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2004-0993 Upstream summary: Buffer overflow in hpsockd before 0.6 allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code. Table of contents […]

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How to Boot into Maintenance Mode on IBM AIX 7.2 — step-by-step IBM AIX 7.2 tutorial on Progressive Robot

How to Boot into Maintenance Mode on IBM AIX 7.2

Introduction IBM AIX 7.2 is the latest release of IBM’s enterprise-grade UNIX operating system, running on IBM Power Systems hardware. Known for its reliability, security, and performance in mission-critical environments, AIX 7.2 introduces enhanced virtualization, security hardening, and cloud integration features. This guide covers how to boot into maintenance mode on ibm aix 7.2 on […]

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Debian 11 — beagle — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — beagle — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 8 November 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2005-4791 CVE-2006-1296 CVE-2006-1865 Upstream summary: Multiple untrusted search path vulnerabilities in SUSE Linux 10.0 cause the working directory to be added to LD_LIBRARY_PATH, which might allow local users […]

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

AlmaLinux 8 — dwarves — 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-2022:2128 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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