Ubuntu 24.04

Ubuntu 24.04 — linux-oracle-6.14 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

• November 1, 2025
• Linux
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🟠 High   ⏱ 15–60 min  Last verified: 1 November 2025 Affected versions: Ubuntu 24.04 (noble) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7879-3 Related CVEs: CVE-2024-36331 CVE-2025-38335 CVE-2025-38349 CVE-2025-38351 CVE-2025-38437 CVE-2025-38438 CVE-2025-38439 CVE-2025-38440  +12 more Upstream summary: It was discovered that improper initialization of CPU cache memory could allow a local attacker […]

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Ubuntu 24.04 LTS – kernel update results in boot failure – Fix & Prevention

• October 31, 2025
• Linux
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🔴 Critical   ⏱ 5–30 min  Last verified: 31 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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Ubuntu 24.04 LTS – boot drops to initramfs BusyBox shell – Fix & Prevention

• October 31, 2025
• Linux
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🔴 Critical   ⏱ 5–30 min  Last verified: 31 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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Ubuntu 24.04 LTS – snap applications fail because snapd is inactive – Fix & Prevention

• October 31, 2025
• Linux
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🟡 Medium   ⏱ 5–30 min  Last verified: 31 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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Ubuntu 24.04 LTS – inode exhaustion causes writes to fail despite free space

• October 30, 2025
• Linux
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🟠 High   ⏱ 5–30 min  Last verified: 30 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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Ubuntu 24.04 LTS – grub-install fails because EFI system partition is full

• October 30, 2025
• Linux
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🟠 High   ⏱ 5–30 min  Last verified: 30 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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Ubuntu 24.04 LTS – APT lock file prevents package installs – Fix & Prevention

• October 30, 2025
• Linux
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🟠 High   ⏱ 5–30 min  Last verified: 30 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 Harden PHP 8.3 on Ubuntu 24.04

• October 30, 2025
• Linux
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Default PHP settings expose version information, allow dangerous functions, and leave logging disabled. This guide hardens PHP 8.3 on Ubuntu 24.04 LTS to protect production web applications. Tested and valid on: Ubuntu 24.04 LTS Prerequisites Ubuntu 24.04 LTS server with PHP 8.3 installed A user with sudo privileges Step 1 – Disable Version Exposure Open […]

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Ubuntu 24.04 LTS – No audio output with PipeWire active – Fix & Prevention

• October 29, 2025
• Linux
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🟠 High   ⏱ 5–30 min  Last verified: 29 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 and Configure Traefik Reverse Proxy on Ubuntu 24.04

• October 29, 2025
• Linux
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Traefik is a modern, cloud-native reverse proxy and load balancer that automatically discovers services and configures routing. It integrates natively with Docker, Kubernetes, and other orchestrators. This guide installs Traefik on Ubuntu 24.04 LTS with Docker. Tested and valid on: Ubuntu 24.04 LTS Prerequisites Ubuntu 24.04 LTS server Docker Engine and Docker Compose installed A […]

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