September 2021 - Page 3 of 66

How to Configure newsyslog Log Rotation on FreeBSD 13 — step-by-step FreeBSD 13 tutorial on Progressive Robot

How to Configure newsyslog Log Rotation on FreeBSD 13

Introduction Deploying configure newsyslog log rotation 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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AlmaLinux 8 — memtest86+ — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — memtest86+ — 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-2021:1599 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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Arch Linux — racket — vulnerability — patch and remediation guide — diagnosis and fix on Arch Linux

Arch Linux — racket — 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-202107-39 Related CVEs: CVE-2021-32773 Upstream summary: Type: sandbox escape. Status: Fixed. Affected: 8.1-1. Fixed in: 8.2-1. Group: AVG-2175. Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis […]

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FreeBSD 13 — py38-kerberos — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — py38-kerberos — 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: py-kerberos — DoS and MitM vulnerabilities Related CVEs: CVE-2015-3206 Upstream summary: macosforgebot reports: The checkPassword function in python-kerberos does not authenticate the KDC it attempts to communicate with, which allows […]

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Oracle Linux 8 — kernel security, bug fix, and — enhancement update — new behaviour and fixes — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — kernel security, bug fix, and — enhancement update — new behaviour and fixes (ELSA-2022-6460)

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-6460 Related CVEs: CVE-2022-21125 CVE-2022-21166 CVE-2022-21123 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 — putty-gtk — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — putty-gtk — 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: PuTTY — Release 0.74 fixes two security vulnerabilities Related CVEs: CVE-2020-14002 Upstream summary: Simon Tatham reports: [Release 0.74] fixes the following security issues: New configuration option to disable PuTTY's default […]

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FreeBSD 13 — bouncycastle — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — bouncycastle — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: bouncycastle15 — bcrypt password checking vulnerability Related CVEs: CVE-2017-13098 CVE-2018-1000180 CVE-2018-1000613 CVE-2020-15522 CVE-2020-28052 Upstream summary: The Bouncy Castle team reports: The OpenBSDBCrypt.checkPassword utility method compared incorrect data when checking the […]

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How to Set Up Grafana Alerting on FreeBSD 13 — step-by-step FreeBSD 13 tutorial on Progressive Robot

How to Set Up Grafana Alerting on FreeBSD 13

Introduction How to Set Up Grafana Alerting on FreeBSD 13 is a core administration task for any FreeBSD 13 server operator. FreeBSD 13 ships with the 15.0-RELEASE kernel, ZFS as the default root filesystem, Capsicum capability sandboxing improvements, and an updated ports tree. Unlike Linux distributions, FreeBSD uses rc(8) for service management, pf for packet […]

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FreeBSD 13 — ja-samba — multiple vulnerabilities (15 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — ja-samba — multiple vulnerabilities (15 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: samba — potential leakage of arbitrary memory contents Related CVEs: CVE-2004-0600 CVE-2004-0686 CVE-2004-0815 CVE-2004-1154 CVE-2006-1059 CVE-2006-3403 CVE-2007-0452 CVE-2007-0454  +7 more Upstream summary: Samba Team reports: Samba 3.0.29 and beyond contain […]

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