Ubuntu 24.04

Ubuntu 24.04 — apport — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 24.04

Ubuntu 24.04 — apport — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 18 January 2025 Affected versions: Ubuntu 24.04 (noble) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7545-3 Related CVEs: https://launchpad.net/bugs/2112466 https://launchpad.net/bugs/2112272 CVE-2025-5054 Upstream summary: USN-7545-1 fixed vulnerabilities in Apport. The update introduced a regression that raised an error if a crashing process was killed while Apport […]

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Ubuntu 24.04 — python-aiohttp — multiple vulnerabilities (15 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 24.04

Ubuntu 24.04 — python-aiohttp — multiple vulnerabilities (15 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 17 January 2025 Affected versions: Ubuntu 24.04 (noble) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8032-1 Related CVEs: CVE-2025-69228 CVE-2025-69225 CVE-2025-69226 CVE-2025-69229 CVE-2025-69223 CVE-2025-69224 CVE-2025-69227 CVE-2023-49081  +7 more Upstream summary: Charles Chan discovered that AIOHTTP incorrectly handled the decompression of compressed requests. A remote attacker […]

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Ubuntu 24.04 — node-cipher-base — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 24.04

Ubuntu 24.04 — node-cipher-base — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 16 January 2025 Affected versions: Ubuntu 24.04 (noble) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7746-1 Related CVEs: CVE-2025-9287 Upstream summary: Nikita Skovoroda discovered that cipher-base did not properly manage certain inputs. An attacker could possibly use this issue to manipulate the internal state of […]

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Common Problems 116457

Ubuntu 24.04 LTS – apt update returns 404 from stale mirrors – Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 14 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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Common Problems 116434

Ubuntu 24.04 LTS – netplan apply breaks network connectivity – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 14 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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How to Set Up Software RAID with mdadm on Ubuntu 24.04 — step-by-step Linux tutorial on Progressive Robot

How to Set Up Software RAID with mdadm on Ubuntu 24.04

mdadm is the standard Linux tool for creating and managing software RAID arrays. RAID provides redundancy and/or performance improvements across multiple disks. This guide creates a RAID 1 (mirror) array on Ubuntu 24.04 LTS. Tested and valid on: Ubuntu 24.04 LTS Prerequisites Ubuntu 24.04 LTS server Two or more additional block devices (e.g. /dev/sdb, /dev/sdc) […]

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Common Problems 116607

Ubuntu 24.04 LTS – unattended-upgrades fails repeatedly – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 13 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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Ubuntu 24.04 — libyang2 — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 24.04

Ubuntu 24.04 — libyang2 — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 13 January 2025 Affected versions: Ubuntu 24.04 (noble) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7752-1 Related CVEs: CVE-2023-26917 CVE-2023-26916 Upstream summary: It was discovered that libyang incorrectly handled certain memory operations when parsing YANG strings. An attacker could possibly use this issue to cause […]

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How to Install Vagrant and VirtualBox on Ubuntu 24.04 — step-by-step Linux tutorial on Progressive Robot

How to Set Up ArgoCD on Ubuntu 24.04

ArgoCD is a declarative GitOps continuous delivery tool for Kubernetes. It synchronises Kubernetes cluster state with Git repositories automatically. This guide installs ArgoCD on a Kubernetes cluster running on Ubuntu 24.04 LTS. Tested and valid on: Ubuntu 24.04 LTS Prerequisites Ubuntu 24.04 LTS server A running Kubernetes cluster (kubeadm or k3s) kubectl configured Helm installed […]

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Common Problems 116541

DNS Resolution Failures with systemd-resolved on Ubuntu 24.04 LTS

🟠 High   ⏱ 5–30 min  Last verified: 12 January 2025 Affected versions: 24.04 📖 ~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 […]

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