Kernel Drivers

Common Problems 115951

Ubuntu 26.04 LTS – kernel panic caused by missing initramfs – Fix & Prevention

🔴 Critical   ⏱ 5–30 min  Last verified: 30 June 2026 Affected versions: Ubuntu 26.04 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 116038

SSH login fails after hardened AppArmor profile update

🟠 High   ⏱ 5–30 min  Last verified: 30 June 2026 Affected versions: Ubuntu 26.04 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 124016

Oracle Linux 10 – NetworkManager ignores static route after restart – Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 30 June 2026 Affected versions: Oracle Linux 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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Oracle Linux 9 — Unbreakable Enterprise kernel — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — Unbreakable Enterprise kernel — vulnerability — patch and remediation guide (ELSA-2026-50260)

🟠 High   ⏱ 15–60 min  Last verified: 28 June 2026 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2026-50260 Related CVEs: CVE-2025-40135 CVE-2025-54518 CVE-2026-23004 CVE-2026-23240 CVE-2026-23243 CVE-2026-23249 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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Amazon Linux 2 — kernel-livepatch-4.14.355-275.582 — multiple vulnerabilities (11 CVEs) — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — kernel-livepatch-4.14.355-275.582 — multiple vulnerabilities (11 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2LIVEPATCH-2025-227 Related CVEs: CVE-2024-47757 CVE-2024-49882 CVE-2024-50036 CVE-2024-50264 CVE-2024-50301 CVE-2024-56650 CVE-2025-21796 CVE-2024-53103  +3 more Upstream summary: In the Linux kernel, the following vulnerability has been resolved: nilfs2: fix potential oob read […]

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How to Configure Drone CI on FreeBSD 15 — step-by-step FreeBSD 15 tutorial on Progressive Robot

How to Configure Drone CI on FreeBSD 15

Introduction How to Configure Drone CI on FreeBSD 15 is a core administration task for any FreeBSD 15 server operator. FreeBSD 15 ships with the 15.0-RELEASE kernel, ZFS as the default root filesystem, Capsicum capability sandboxing improvements, and an updated ports tree. Unlike Linux distributions, FreeBSD uses rc(8) for service management, pf for packet filtering, […]

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How to Install GCC via Ports on FreeBSD 15 — step-by-step FreeBSD 15 tutorial on Progressive Robot

How to Install GCC via Ports on FreeBSD 15

Introduction How to Install GCC via Ports on FreeBSD 15 is a core administration task for any FreeBSD 15 server operator. FreeBSD 15 ships with the 15.0-RELEASE kernel, ZFS as the default root filesystem, Capsicum capability sandboxing improvements, and an updated ports tree. Unlike Linux distributions, FreeBSD uses rc(8) for service management, pf for packet […]

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Oracle Linux 8 — kernel — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — kernel — vulnerability — patch and remediation guide (ELSA-2025-15008)

🟡 Medium   ⏱ 10–30 min  Last verified: 27 June 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2025-15008 Related CVEs: CVE-2025-38211 CVE-2025-38477 CVE-2025-38464 CVE-2025-38332 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches […]

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Oracle Linux 8 — Unbreakable Enterprise kernel — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — Unbreakable Enterprise kernel — vulnerability — patch and remediation guide (ELSA-2025-28026)

🟠 High   ⏱ 15–60 min  Last verified: 26 June 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2025-28026 Related CVEs: CVE-2025-40019 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

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Common Problems 115945

No Audio Output with PipeWire/Pulse Compatibility

🟡 Medium   ⏱ 5–30 min  Last verified: 25 June 2026 📖 ~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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