Logging Monitoring

Common Problems 119525

Debian 13 nftables Rules Not Loaded at Boot

🟠 High   ⏱ 5–30 min  Last verified: 23 October 2025 Affected versions: Debian 13 📖 ~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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Ubuntu 22.04 — dpkg — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — dpkg — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 23 October 2025 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7768-1 Related CVEs: CVE-2025-6297 CVE-2022-1664 Upstream summary: It was discovered that dpkg incorrectly handled removing certain temporary directories. An attacker could possibly use this issue to consume disk space, leading […]

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Ubuntu 18.04 — xorg-server — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — xorg-server — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 23 October 2025 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7573-2 Related CVEs: CVE-2025-49175 CVE-2025-49176 CVE-2025-49178 CVE-2025-49179 CVE-2025-49180 CVE-2025-26594 CVE-2025-26595 CVE-2025-26596  +12 more Upstream summary: USN-7573-1 fixed several vulnerabilities in X.Org. This update provides the corresponding update for Ubuntu 16.04 […]

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NetBSD 9.4 — py-installer — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — py-installer — 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-2025-59042 Upstream summary: pkgsrc audit-packages flagged py{27,39,310,311,312,313}-installer<6.0.0 for vulnerability class 'privilege-escalation'. Reference: https://nvd.nist.gov/vuln/detail/CVE-2025-59042 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis […]

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Ubuntu 20.04 — ffmpeg — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — ffmpeg — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 23 October 2025 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7982-1 Related CVEs: CVE-2025-59728 CVE-2025-63757 CVE-2025-59731 CVE-2025-59733 CVE-2025-59732 CVE-2023-6603 CVE-2023-6605 CVE-2025-10256  +12 more Upstream summary: It was discovered that FFmpeg did not correctly handle certain memory operations. An attacker could […]

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How to Configure OpenVAS Vulnerability Scanner on Debian 13 — step-by-step Debian 13 tutorial on Progressive Robot

How to Configure OpenVAS Vulnerability Scanner on Debian 13

Introduction Deploying configure openvas vulnerability scanner on a Debian 13 Trixie machine is straightforward thanks to Debian’s policy-compliant packaging. Unlike rpm-based distributions, Debian stores configuration helpers in /etc/default/, uses update-rc.d for older init scripts, and provides dpkg-reconfigure for interactive package configuration. This tutorial stays on the systemd path throughout. Prerequisites Before you begin, ensure you […]

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Common Problems 116444

Ubuntu 24.04 LTS – DNS resolution fails with systemd-resolved issues – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 23 October 2025 Affected versions: Ubuntu 24.04 LTS 📖 ~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 10 — curl — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 10

Oracle Linux 10 — curl — vulnerability — patch and remediation guide (ELSA-2026-1825)

🟡 Medium   ⏱ 10–30 min  Last verified: 23 October 2025 Affected versions: Oracle Linux 10 📖 ~4 min read  •  Source: ELSA advisory ELSA-2026-1825 Related CVEs: CVE-2025-9086 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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Oracle Linux 10 — pcs — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 10

Oracle Linux 10 — pcs — vulnerability — patch and remediation guide (ELSA-2025-8319)

🟠 High   ⏱ 15–60 min  Last verified: 23 October 2025 Affected versions: Oracle Linux 10 📖 ~4 min read  •  Source: ELSA advisory ELSA-2025-8319 Related CVEs: CVE-2025-46727 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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