Kernel Drivers

Common Problems 111220

Windows Server 2025 — SQL Server connection pooling exhaustion causing application timeouts — Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 14 June 2025 Affected versions: Windows Server 2025 📖 ~2 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 113981

RHEL 10 – initramfs generation fails during kernel update transaction – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 13 June 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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How to Install Go 1.23 on RHEL 10 — step-by-step RHEL 10 tutorial on Progressive Robot

How to Install Go 1.23 on RHEL 10

Introduction RHEL 10 ships with a stable, security-hardened base that makes deploying install go 1.23 both straightforward and auditable. This tutorial covers the complete procedure for how to Install Go 1.23 on RHEL 10, including dnf module streams where applicable, systemd unit management, and the firewalld rules required for network-facing services. Prerequisites Before you begin, […]

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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-2025-20662)

🟠 High   ⏱ 15–60 min  Last verified: 13 June 2025 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2025-20662 Related CVEs: CVE-2025-21884 CVE-2025-38221 CVE-2025-38335 CVE-2025-38351 CVE-2025-38500 CVE-2025-38553 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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NetBSD 10.0 — xenkernel44 — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 10.0

NetBSD 10.0 — xenkernel44 — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: NetBSD 10.0 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Upstream summary: pkgsrc audit-packages flagged xenkernel44-[0-9]* for vulnerability class 'eol'. Reference: https://ftp.NetBSD.org/pub/NetBSD/packages/vulns/eol-packages Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary […]

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openSUSE Leap 15.5 — qemu — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Leap 15.5

openSUSE Leap 15.5 — qemu — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Leap 15.5 📖 ~4 min read  •  Source: SUSE advisory openSUSE-SU-2024:14411-1 (see also SUSE bugzilla) Related CVEs: CVE-2024-7409 CVE-2024-4467 CVE-2023-3019 CVE-2024-3446 CVE-2023-1544 CVE-2024-24474 CVE-2024-26327 CVE-2023-3180  +12 more Upstream summary: A flaw was found in the QEMU NBD Server. This vulnerability allows […]

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How to Manage Containers with podman-compose on RHEL 10 — step-by-step RHEL 10 tutorial on Progressive Robot

How to Manage Containers with podman-compose on RHEL 10

Introduction How to Manage Containers with podman-compose 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 […]

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Amazon Linux 2 — kernel-livepatch-4.14.355-277.647 — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — kernel-livepatch-4.14.355-277.647 — multiple vulnerabilities (3 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-2025-253 Related CVEs: CVE-2022-49935 CVE-2023-53137 CVE-2025-21811 Upstream summary: In the Linux kernel, the following vulnerability has been resolved: dma-buf/dma-resv: check if the new fence is really later (CVE-2022-49935) Table of […]

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Common Problems 114047

RHEL 10 – auditd backlog limit exceeded and security events lost – Fix & Prevention

🔴 Critical   ⏱ 5–30 min  Last verified: 10 June 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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Common Problems 127098

CentOS Stream 10 – Common Problem 164 – Diagnosis and Fix

🟠 High   ⏱ 5–30 min  Last verified: 10 June 2025 Affected versions: CentOS Stream 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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