chris

Common Problems 116944

Ubuntu 22.04 LTS Slow Boot Caused by cloud-init Wait

🟡 Medium   ⏱ 5–30 min  Last verified: 8 October 2025 📖 ~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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Debian 13 — lzo2 — vulnerability — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — lzo2 — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 8 October 2025 Affected versions: Debian 13 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2014-4607 Upstream summary: Integer overflow in the LZO algorithm variant in Oberhumer liblzo2 and lzo-2 before 2.07 on 32-bit platforms might allow remote attackers to execute arbitrary code via […]

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Debian 13 — patchelf — vulnerability — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — patchelf — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 8 October 2025 Affected versions: Debian 13 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2022-44940 Upstream summary: Patchelf v0.9 was discovered to contain an out-of-bounds read via the function modifyRPath at src/patchelf.cc. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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Alpine Linux 3.20 — vips — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux 3.20

Alpine Linux 3.20 — vips — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.20 / fixed in 8.9.0-r0 📖 ~4 min read  •  Source: Alpine secdb entry — vips 8.9.0-r0 Related CVEs: CVE-2020-20739 CVE-2019-17534 Upstream summary: Alpine community repository for vv3.20 ships vips 8.9.0-r0 which addresses CVE-2020-20739. Table of contents Symptom & Impact […]

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Common Problems 116562

Ubuntu 24.04 LTS – sudo fails due to syntax error in sudoers

🔴 Critical   ⏱ 5–30 min  Last verified: 8 October 2025 Affected versions: Ubuntu 24.04 LTS Ubuntu 24.04 Ubuntu 24.04.1 📖 ~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 […]

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Debian 13 — sofia-sip — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — sofia-sip — multiple vulnerabilities (6 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 8 October 2025 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2022-31001 CVE-2022-31002 CVE-2022-31003 CVE-2022-47516 CVE-2023-22741 CVE-2023-32307 Upstream summary: Sofia-SIP is an open-source Session Initiation Protocol (SIP) User-Agent library. Prior to version 1.13.8, an attacker can send a message […]

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Common Problems 116486

Ubuntu 24.04 LTS – Kubelet not registering node due to cgroup mismatch – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 8 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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How to Install node_exporter on Debian 13 — step-by-step Debian 13 tutorial on Progressive Robot

How to Install node_exporter on Debian 13

Introduction This guide explains how to Install node_exporter on Debian 13 on Debian 13 Trixie. Debian Trixie uses systemd for service management, nftables as the underlying packet filter (with ufw or iptables front-ends still available), and AppArmor for mandatory access control. Every command is designed for a minimal Debian 13 install with the standard repositories […]

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Common Problems 111167

Windows Server 2025 — PowerShell 7 module conflicts after Windows Management Framework update — Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 8 October 2025 Affected versions: Windows Server 2025 📖 ~2 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 12 — tryton-sao — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — tryton-sao — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 8 October 2025 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2020-37014 CVE-2025-66420 CVE-2025-66421 Upstream summary: Tryton 5.4 contains a persistent cross-site scripting vulnerability in the user profile name input that allows remote attackers to inject malicious scripts. Attackers […]

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