Logging Monitoring

CentOS Stream 9 — libblockdev — vulnerability — patch and remediation guide — diagnosis and fix on CentOS Stream 9

CentOS Stream 9 — libblockdev — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 11 November 2025 Affected versions: CentOS Stream 9 📖 ~4 min read  •  Source: AlmaLinux/RHEL advisory ALSA-2025:9327 Related CVEs: CVE-2025-6019 Upstream summary: The libblockdev packages provide a C library with GObject introspection support used for low-level operations on block devices. The library serves as a thin wrapper […]

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Windows Server 2019 — KB5050009 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2019

Windows Server 2019 — KB5050009 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Windows Server 2019 📖 ~4 min read  •  Source: Microsoft KB5050009 • MSRC update-guide entry Related CVEs: CVE-2025-21294 CVE-2025-21295 CVE-2025-21296 CVE-2025-21297 CVE-2025-21298 CVE-2025-21309 CVE-2025-21307 CVE-2024-49120  +12 more Affected components: Windows Server 2019 (Server Core installation) Table of contents Symptom & Impact Environment […]

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SLES 16 — apache-commons-httpclient — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on SLES 16

SLES 16 — apache-commons-httpclient — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 11 November 2025 Affected versions: SLES 16 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2020:3149-1 (see also SUSE bugzilla) Related CVEs: CVE-2015-5262 CVE-2012-5783 CVE-2014-3577 Upstream summary: http/conn/ssl/SSLConnectionSocketFactory.java in Apache HttpComponents HttpClient before 4.3.6 ignores the http.socket.timeout configuration setting during an SSL handshake, which allows remote attackers […]

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How to Configure Nginx as a TCP/UDP Load Balancer on Debian 13 — step-by-step Debian 13 tutorial on Progressive Robot

How to Configure Nginx as a TCP/UDP Load Balancer on Debian 13

Introduction How to Configure Nginx as a TCP/UDP Load Balancer on Debian 13 is a fundamental operation for any administrator maintaining a Debian 13 Trixie server. Debian 13 Trixie ships with the Linux 6.12 kernel, updated toolchains, and a fully refreshed package archive — meaning version numbers, configuration file paths, and some dependency chains differ […]

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How to Build Docker Images with Buildah on Debian 13 — step-by-step Debian 13 tutorial on Progressive Robot

How to Build Docker Images with Buildah on Debian 13

Introduction Debian 13 Trixie is built around the ethos of stability and free software. Setting up build docker images with buildah on Trixie leverages the same proven Debian packaging system that powers millions of servers worldwide, while benefiting from the latest upstream releases included in the Trixie freeze. Follow each step carefully and the resulting […]

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Common Problems 119465

Debian 13 DKMS Module Build Failure After Kernel Update

🔴 Critical   ⏱ 5–30 min  Last verified: 11 November 2025 Affected versions: Debian 13 📖 ~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 Configure Apache2 as a Reverse Proxy on Debian 13 — step-by-step Debian 13 tutorial on Progressive Robot

How to Configure Apache2 as a Reverse Proxy on Debian 13

Introduction Deploying configure apache2 as a reverse proxy on a Debian 13 Trixie machine is straightforward thanks to Debian’s policy-compliant packaging. Unlike rpm-based distributions, Debian stores configuration helpers in /etc/default/, uses update-rc.d for older init scripts, and provides dpkg-reconfigure for interactive package configuration. This tutorial stays on the systemd path throughout. Prerequisites Before you begin, […]

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AlmaLinux 9 — net-snmp — multiple vulnerabilities (9 CVEs) — patch and remediation guide — diagnosis and fix on AlmaLinux 9

AlmaLinux 9 — net-snmp — multiple vulnerabilities (9 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 9 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2026:0696 Related CVEs: CVE-2025-68615 CVE-2022-24805 CVE-2022-24806 CVE-2022-24807 CVE-2022-24808 CVE-2022-24809 CVE-2022-24810 CVE-2022-44792  +1 more Upstream summary: The net-snmp packages provide various libraries and tools for the Simple Network Management Protocol (SNMP), including an […]

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Windows Server 2025 — KB5066840 — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2025

Windows Server 2025 — KB5066840 — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Windows Server 2025 📖 ~4 min read  •  Source: Microsoft KB5066840 • MSRC update-guide entry Related CVEs: CVE-2025-59295 CVE-2025-58739 CVE-2025-59208 Affected components: Windows Server 2025 Microsoft summary: Heap-based buffer overflow in Internet Explorer allows an unauthorized attacker to execute code over a […]

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Debian 13 — pam-python — vulnerability — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — pam-python — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 10 November 2025 Affected versions: Debian 13 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2019-16729 Upstream summary: pam-python before 1.0.7-1 has an issue in regard to the default environment variable handling of Python, which could allow for local root escalation in certain PAM […]

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