Kernel Drivers

Common Problems 114104

RHEL 10 – kdump Does Not Capture vmcore After Kernel Crash – Crash Dump Enablement

🔴 Critical   ⏱ 5–30 min  Last verified: 26 November 2025 Affected versions: RHEL 10.0 RHEL 10.1 📖 ~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 & Hardening Related […]

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Common Problems 113937

RHEL 10 – SELinux blocks httpd access to new web content path – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 25 November 2025 Affected versions: RHEL 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-2026-50094)

🟠 High   ⏱ 15–60 min  Last verified: 25 November 2025 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2026-50094 Related CVEs: CVE-2025-40149 CVE-2025-40257 CVE-2025-40258 CVE-2025-68209 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 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-2025-25757)

🟠 High   ⏱ 15–60 min  Last verified: 25 November 2025 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2025-25757 Related CVEs: CVE-2024-26652 CVE-2024-35968 CVE-2024-50022 CVE-2024-56742 CVE-2025-37798 CVE-2025-37886 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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Common Problems 114127

RHEL 10 kdump Does Not Capture vmcore After Kernel Panic

🔴 Critical   ⏱ 5–30 min  Last verified: 24 November 2025 Affected versions: RHEL 10.0 RHEL 10.1 📖 ~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 & Hardening Related […]

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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-2026-1662)

🟡 Medium   ⏱ 10–30 min  Last verified: 24 November 2025 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2026-1662 Related CVEs: CVE-2022-50865 CVE-2024-26766 CVE-2025-38022 CVE-2025-38024 CVE-2025-38415 CVE-2025-38459 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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How to Set Up Static Networking with nmcli on RHEL 10 — step-by-step RHEL 10 tutorial on Progressive Robot

How to Set Up Static Networking with nmcli on RHEL 10

Introduction How to Set Up Static Networking with nmcli on RHEL 10 on RHEL 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 configuration […]

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How to Set Up a VPN Server with StrongSwan IPsec on RHEL 9 — step-by-step RHEL 9 tutorial on Progressive Robot

How to Set Up a VPN Server with StrongSwan IPsec on RHEL 9

IPsec VPNs provide strong, standards-based encryption and are natively supported by Windows, macOS, and iOS without additional client software. StrongSwan is a full-featured IKEv2/IPsec implementation that runs well on RHEL 9. This tutorial walks you through installing StrongSwan, generating a PKI certificate chain, and configuring an IKEv2 VPN server that accepts connections from native OS […]

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Oracle Linux 10 — ELSA-2025-20095-0: kernel — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 10

Oracle Linux 10 — ELSA-2025-20095-0: kernel — vulnerability — patch and remediation guide (ELSA-2025-20095-0)

🟡 Medium   ⏱ 10–30 min  Last verified: 22 November 2025 Affected versions: Oracle Linux 10 📖 ~4 min read  •  Source: ELSA advisory ELSA-2025-20095-0 Related CVEs: CVE-2024-28956 CVE-2024-36350 CVE-2024-36357 CVE-2024-49570 CVE-2024-52332 CVE-2024-53147 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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Common Problems 113951

RHEL 10 – SELinux AVC denials after package update break service startup – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 21 November 2025 Affected versions: RHEL 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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