Logging Monitoring

Oracle Linux 9 — freetype — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — freetype — vulnerability — patch and remediation guide (ELSA-2022-8340)

🟡 Medium   ⏱ 10–30 min  Last verified: 29 November 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-8340 Related CVEs: CVE-2022-27406 CVE-2022-27404 CVE-2022-27405 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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NetBSD 9.4 — chmlib — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — chmlib — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: NetBSD 9.4 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Related CVEs: CVE-2007-0619 Upstream summary: pkgsrc audit-packages flagged chmlib<0.36 for vulnerability class 'remote-command-execution'. Reference: http://morte.jedrea.com/~jedwin/projects/chmlib/ Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis […]

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Debian 12 — nvidia-open-gpu-kernel-modules — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — nvidia-open-gpu-kernel-modules — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 29 November 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2022-34670 CVE-2022-34673 CVE-2022-34674 CVE-2022-34675 CVE-2022-34677 CVE-2022-34679 CVE-2022-34680 CVE-2022-34682  +12 more Upstream summary: NVIDIA GPU Display Driver for Linux contains a vulnerability in the kernel mode layer handler, where […]

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Alpine Linux 3.18 — chicken — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux 3.18

Alpine Linux 3.18 — chicken — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.18 / fixed in 5.3.0-r3 📖 ~4 min read  •  Source: Alpine secdb entry — chicken 5.3.0-r3 Related CVEs: CVE-2022-45145 CVE-2017-6949 CVE-2017-9334 CVE-2016-6830 CVE-2016-6831 Upstream summary: Alpine community repository for vv3.18 ships chicken 5.3.0-r3 which addresses CVE-2022-45145. Table of contents […]

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How to Set Up Snort IDS on CentOS Stream 9 — step-by-step CentOS Stream 9 tutorial on Progressive Robot

How to Set Up Snort IDS on CentOS Stream 9

Introduction How to Set Up Snort IDS 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 […]

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NetBSD 9.4 — gpgme — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — gpgme — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: NetBSD 9.4 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Related CVEs: CVE-2014-3564 Upstream summary: pkgsrc audit-packages flagged gpgme<1.4.4 for vulnerability class 'buffer-overflow'. Reference: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-3564 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis […]

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Oracle Linux 9 — xorg-x11-server — security and stability fixes — required update — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — xorg-x11-server — security and stability fixes — required update (ELSA-2023-6340)

🟡 Medium   ⏱ 10–30 min  Last verified: 28 November 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-6340 Related CVEs: CVE-2023-1393 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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How to Set Up the ELK Stack on FreeBSD 14 — step-by-step FreeBSD 14 tutorial on Progressive Robot

How to Set Up the ELK Stack on FreeBSD 14

Introduction How to Set Up the ELK Stack on FreeBSD 14 is a core administration task for any FreeBSD 14 server operator. FreeBSD 14 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 […]

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Common Problems 120192

Debian 12 – cron jobs do not run because timers or cron service are disabled

🟡 Medium   ⏱ 5–30 min  Last verified: 28 November 2023 Affected versions: Debian 12 📖 ~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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openSUSE Tumbleweed — go1.19 — multiple vulnerabilities (16 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — go1.19 — multiple vulnerabilities (16 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory SUSE-CU-2023:1963-1 (see also SUSE bugzilla) Related CVEs: CVE-2023-29402 CVE-2023-29404 CVE-2023-29405 CVE-2023-29409 CVE-2023-29403 CVE-2023-24539 CVE-2023-29400 CVE-2023-24534  +8 more Upstream summary: The go command may generate unexpected code at build time when using cgo. […]

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