Kernel Drivers

CentOS Stream 9 — qemu-kvm — multiple vulnerabilities (19 CVEs) — patch and remediation guide — diagnosis and fix on CentOS Stream 9

CentOS Stream 9 — qemu-kvm — multiple vulnerabilities (19 CVEs) — patch and remediation guide

  • January 20, 2025
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 20 January 2025 Affected versions: CentOS Stream 9 📖 ~4 min read  •  Source: AlmaLinux/RHEL advisory ALSA-2024:4278 Related CVEs: CVE-2024-4467 CVE-2023-3354 CVE-2024-26327 CVE-2024-3446 CVE-2024-7409 CVE-2023-3019 CVE-2023-3255 CVE-2023-42467  +11 more Upstream summary: Kernel-based Virtual Machine (KVM) is a full virtualization solution for Linux on a variety of architectures. […]

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Amazon Linux 2023 — kernel-livepatch-6.1.141-165.249 — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on Amazon Linux 2023

Amazon Linux 2023 — kernel-livepatch-6.1.141-165.249 — multiple vulnerabilities (6 CVEs) — patch and remediation guide

  • January 19, 2025
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2023 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2023LIVEPATCH-2025-089 Related CVEs: CVE-2025-38248 CVE-2025-38386 CVE-2025-39673 CVE-2025-39677 CVE-2025-39691 CVE-2025-39730 Upstream summary: In the Linux kernel, the following vulnerability has been resolved: bridge: mcast: Fix use-after-free during router port configuration (CVE-2025-38248) […]

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Oracle Linux 9 — kernel — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — kernel — vulnerability — patch and remediation guide (ELSA-2024-8162)

  • January 19, 2025
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 19 January 2025 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2024-8162 Related CVEs: CVE-2024-42079 CVE-2024-36978 CVE-2021-47385 CVE-2023-28746 CVE-2024-39502 CVE-2024-38556 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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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-2024-12272)

  • January 19, 2025
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 19 January 2025 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2024-12272 Related CVEs: CVE-2024-26679 CVE-2024-2201 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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NetBSD 10.0 — xenkernel411 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on NetBSD 10.0

NetBSD 10.0 — xenkernel411 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

  • January 18, 2025
  • BSD
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: NetBSD 10.0 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Related CVEs: CVE-2020-28368 CVE-2022-26356 CVE-2018-18883 CVE-2020-25595 CVE-2020-25596 CVE-2020-25597 CVE-2020-25598 CVE-2020-25599  +12 more Upstream summary: pkgsrc audit-packages flagged xenkernel411<4.11.4nb4 for vulnerability class 'side-channel'. Reference: https://nvd.nist.gov/vuln/detail/CVE-2020-28368 Table of contents Symptom & Impact Environment […]

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Ubuntu 16.04 — linux-kvm — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — linux-kvm — multiple vulnerabilities (20 CVEs) — patch and remediation guide

  • January 18, 2025
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 18 January 2025 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8274-1 Related CVEs: CVE-2022-49033 CVE-2024-27388 CVE-2024-49938 CVE-2024-50008 CVE-2024-50142 CVE-2021-47142 CVE-2021-47145 CVE-2021-47254  +12 more Upstream summary: Several security issues were discovered in the Linux kernel. An attacker could possibly use these […]

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How to Configure DRBD for High Availability on CentOS Stream 10 — step-by-step CentOS Stream 10 tutorial on Progressive Robot

How to Configure DRBD for High Availability on CentOS Stream 10

  • January 17, 2025
  • CentOS
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Introduction How to Configure DRBD for High Availability on CentOS Stream 10 on CentOS Stream 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 […]

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How to Set Up Galera Cluster for MariaDB on CentOS Stream 10 — step-by-step CentOS Stream 10 tutorial on Progressive Robot

How to Set Up Galera Cluster for MariaDB on CentOS Stream 10

  • January 17, 2025
  • CentOS
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Introduction CentOS Stream 10 ships with a stable, security-hardened base that makes deploying set up galera cluster for mariadb on centos stream 10 both straightforward and auditable. This tutorial covers the complete procedure for how to Set Up Galera Cluster for MariaDB on CentOS Stream 10, including dnf module streams where applicable, systemd unit management, […]

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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-2026-50133)

  • January 17, 2025
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 17 January 2025 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2026-50133 Related CVEs: CVE-2025-40149 CVE-2025-40256 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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How to Enable PowerShell Logging and Script Block Logging on Windows Server 2025 — step-by-step Windows Server 2025 tutorial on Progressive Robot

How to Enable PowerShell Logging and Script Block Logging on Windows Server 2025

How to Enable PowerShell Logging and Script Block Logging on Windows Server 2025 PowerShell is one of the most powerful administration tools in the Windows Server 2025 ecosystem — and, consequently, one of the most frequently abused vectors in post-exploitation attack chains. Attackers who gain initial access to a server routinely leverage PowerShell to download […]

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