Ubuntu 22.04

Common Problems 116997

Ubuntu 22.04 NGINX Fails to Start Due to Port 80 Conflict

🟡 Medium   ⏱ 5–30 min  Last verified: 26 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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Common Problems 117053

Ubuntu 22.04 LTS – Apache fails to start because port 80 is already in use – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 24 October 2025 Affected versions: Ubuntu 22.04 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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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 22.04 — python-apt — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — python-apt — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 21 October 2025 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7916-1 Related CVEs: CVE-2025-6966 Upstream summary: Julian Andres Klode discovered that python-apt incorrectly handled deb822 configuration files. An attacker could use this issue to cause python-apt to crash, resulting in […]

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How To Create RAID Arrays with mdadm on Ubuntu — step-by-step Linux tutorial on Progressive Robot

How To Create RAID Arrays with mdadm on Ubuntu

The mdadm utility can be used to create and manage storage arrays using Linux’s software RAID capabilities. Administrators have great flexibility in coordinating their individual storage devices and creating logical storage devices that have greater performance or…

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Ubuntu 22.04 — cifs-utils — multiple vulnerabilities (7 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — cifs-utils — multiple vulnerabilities (7 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 20 October 2025 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7536-2 Related CVEs: https://launchpad.net/bugs/2113906 https://launchpad.net/bugs/2112614 CVE-2025-2312 CVE-2020-14342 CVE-2021-20208 CVE-2022-27239 CVE-2022-29869 Upstream summary: USN-7536-1 fixed vulnerabilities in cifs-utils. This update introduced a regression in certain environments. This update fixes the problem. […]

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Ubuntu 22.04 — libheif — multiple vulnerabilities (10 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — libheif — multiple vulnerabilities (10 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 18 October 2025 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7952-1 Related CVEs: CVE-2024-25269 CVE-2025-68431 CVE-2019-11471 CVE-2020-23109 CVE-2023-0996 CVE-2023-29659 CVE-2023-49460 CVE-2023-49462  +2 more Upstream summary: It was discovered that libheif did not correctly handle certain memory operations. An attacker could […]

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Ubuntu 22.04 — ffmpeg — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — ffmpeg — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 16 October 2025 Affected versions: Ubuntu 22.04 (jammy) 📖 ~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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Ubuntu 22.04 — python-setuptools — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — python-setuptools — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 15 October 2025 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7544-1 Related CVEs: CVE-2025-47273 CVE-2024-6345 CVE-2022-40897 Upstream summary: It was discovered that setuptools did not properly sanitize paths. An attacker could possibly use this issue to write files to arbitrary […]

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