Linux

Common Problems 116518

Ubuntu 24.04 LTS AppArmor Denies Service Startup

🟠 High   ⏱ 5–30 min  Last verified: 4 January 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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Alpine Linux 3.20 — openexr — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux 3.20

Alpine Linux 3.20 — openexr — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.20 / fixed in 3.1.4-r0 📖 ~4 min read  •  Source: Alpine secdb entry — openexr 3.1.4-r0 Related CVEs: CVE-2021-45942 CVE-2023-5841 CVE-2021-3598 CVE-2021-23169 CVE-2021-23215 CVE-2021-26260 CVE-2021-26945 CVE-2021-20296  +12 more Upstream summary: Alpine community repository for vv3.20 ships openexr 3.1.4-r0 which […]

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Alpine Linux 3.19 — junit — vulnerability — patch and remediation guide — diagnosis and fix on Alpine Linux 3.19

Alpine Linux 3.19 — junit — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.19 / fixed in 4.13.1-r0 📖 ~4 min read  •  Source: Alpine secdb entry — junit 4.13.1-r0 Related CVEs: CVE-2020-15250 Upstream summary: Alpine community repository for vv3.19 ships junit 4.13.1-r0 which addresses CVE-2020-15250. Table of contents Symptom & Impact Environment […]

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SLES 15 — python311-aiohttp — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — python311-aiohttp — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 4 January 2025 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2024:3110-1 (see also SUSE bugzilla) Related CVEs: CVE-2024-42367 CVE-2023-47627 CVE-2024-23334 CVE-2024-23829 CVE-2023-49082 Upstream summary: aiohttp is an asynchronous HTTP client/server framework for asyncio and Python. In versions on the 3.10 branch prior […]

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openSUSE Leap 15.5 — putty — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Leap 15.5

openSUSE Leap 15.5 — putty — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Leap 15.5 📖 ~4 min read  •  Source: SUSE advisory openSUSE-SU-2024:0111-1 (see also SUSE bugzilla) Related CVEs: CVE-2024-31497 Upstream summary: In PuTTY 0.68 through 0.80 before 0.81, biased ECDSA nonce generation allows an attacker to recover a user's NIST P-521 secret […]

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openSUSE Leap 15.5 — python3-aiosmtpd — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Leap 15.5

openSUSE Leap 15.5 — python3-aiosmtpd — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Leap 15.5 📖 ~4 min read  •  Source: SUSE advisory openSUSE-SU-2024:0243-1 (see also SUSE bugzilla) Related CVEs: CVE-2024-27305 CVE-2024-34083 Upstream summary: aiosmtpd is a reimplementation of the Python stdlib smtpd.py based on asyncio. aiosmtpd is vulnerable to inbound SMTP smuggling. SMTP […]

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SLES 15 — sbt — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — sbt — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 4 January 2025 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2024:0726-1 (see also SUSE bugzilla) Related CVEs: CVE-2024-25710 CVE-2024-26308 CVE-2023-46122 Upstream summary: Loop with Unreachable Exit Condition ('Infinite Loop') vulnerability in Apache Commons Compress.This issue affects Apache Commons Compress: from 1.3 through […]

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openSUSE Leap 15.5 — python311-tornado6 — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Leap 15.5

openSUSE Leap 15.5 — python311-tornado6 — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Leap 15.5 📖 ~4 min read  •  Source: SUSE advisory openSUSE-SU-2024:14528-1 (see also SUSE bugzilla) Related CVEs: CVE-2024-52804 Upstream summary: Tornado is a Python web framework and asynchronous networking library. The algorithm used for parsing HTTP cookies in Tornado versions prior […]

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Common Problems 126998

CentOS Stream 10 – Common Problem 154 – Diagnosis and Fix

🟠 High   ⏱ 5–30 min  Last verified: 3 January 2025 Affected versions: CentOS Stream 10 📖 ~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 Set Up PHP-FPM Process Management on CentOS Stream 10 — step-by-step CentOS Stream 10 tutorial on Progressive Robot

How to Set Up PHP-FPM Process Management on CentOS Stream 10

Introduction How to Set Up PHP-FPM Process Management on CentOS Stream 10 on CentOS Stream 10 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 […]

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