Kernel Drivers

Common Problems 116086

Kernel Panic or Boot Failure After Update

🟡 Medium   ⏱ 5–30 min  Last verified: 9 May 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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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-2025-16372)

🟡 Medium   ⏱ 10–30 min  Last verified: 9 May 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2025-16372 Related CVEs: CVE-2025-38461 CVE-2025-38498 CVE-2025-38556 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification […]

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AlmaLinux 8 — kernel-rt — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — kernel-rt — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2026:19664 Related CVEs: CVE-2026-46300 CVE-2026-46333 CVE-2026-43284 CVE-2024-41073 CVE-2025-40252 CVE-2025-68724 CVE-2026-23401 CVE-2026-31402  +12 more Upstream summary: The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high […]

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Common Problems 124132

Oracle Linux 10 – tuned profile not applied after reboot causing performance regression – Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 8 May 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 10 — Unbreakable Enterprise kernel — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 10

Oracle Linux 10 — Unbreakable Enterprise kernel — vulnerability — patch and remediation guide (ELSA-2026-50184)

🟠 High   ⏱ 15–60 min  Last verified: 8 May 2026 Affected versions: Oracle Linux 10 📖 ~4 min read  •  Source: ELSA advisory ELSA-2026-50184 Related CVEs: CVE-2025-40135 CVE-2026-23004 CVE-2026-23231 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification […]

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Common Problems 115963

Out of Memory and Freeze Events on Ubuntu 26.04 LTS

🟠 High   ⏱ 5–30 min  Last verified: 7 May 2026 Affected versions: 26.04 📖 ~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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Amazon Linux 2023 — kernel-livepatch-6.12.74-98.124 — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Amazon Linux 2023

Amazon Linux 2023 — kernel-livepatch-6.12.74-98.124 — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2023 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2023LIVEPATCH-2026-139 Related CVEs: CVE-2026-43284 CVE-2026-31431 Upstream summary: In the Linux kernel, the following vulnerability has been resolved: xfrm: esp: avoid in-place decrypt on shared skb frags "Dirty Frag" and other […]

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How to Install and Configure FreeIPA on RHEL 9 — step-by-step RHEL 9 tutorial on Progressive Robot

How to Install and Configure FreeIPA on RHEL 9

FreeIPA is Red Hat’s integrated Identity, Policy, and Audit solution that bundles a 389 Directory Server (LDAP), MIT Kerberos KDC, a PKI based on Dogtag, and an NTP server behind a unified management interface. It is the upstream project for Red Hat Identity Management (IdM) and is designed to be the authoritative identity source for […]

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How to Use Podman Quadlet on RHEL 10 — step-by-step RHEL 10 tutorial on Progressive Robot

How to Use Podman Quadlet on RHEL 10

Introduction How to Use Podman Quadlet 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 is reproducible and […]

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How to Enable Automatic Security Updates on FreeBSD 15 — step-by-step FreeBSD 15 tutorial on Progressive Robot

How to Enable Automatic Security Updates on FreeBSD 15

Introduction How to Enable Automatic Security Updates 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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