🟠 High ⏱ 5–30 min Last verified: 20 May 2021 Affected versions: Windows Server 2019 📖 ~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 […]
How to Configure Network Policy Server (NPS) on Windows Server 2019 Network Policy Server (NPS) is Microsoft’s implementation of a Remote Authentication Dial-In User Service (RADIUS) server and proxy. NPS centralizes authentication, authorization, and accounting for wireless connections, authenticating switches, remote access VPN connections, and dial-up connections. NPS enables you to enforce consistent network access […]
🟢 Low ⏱ 5–15 min Last verified: 20 May 2021 Affected versions: Debian 10 (buster) 📖 ~4 min read • Source: Debian Security Tracker Related CVEs: CVE-2021-3850 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]
🟠 High ⏱ 15–60 min Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read • Source: SUSE advisory openSUSE-SU-2022:0735-1 (see also SUSE bugzilla) Related CVEs: CVE-2021-45444 CVE-2018-0502 CVE-2018-1100 CVE-2018-13259 CVE-2019-20044 CVE-2018-1083 CVE-2018-1071 Upstream summary: In zsh before 5.8.1, an attacker can achieve code execution if they control a command output […]
🟡 Medium ⏱ 10–30 min Last verified: 20 May 2021 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read • Source: Ubuntu Security Notice USN-6586-1 Related CVEs: CVE-2019-12211 CVE-2019-12213 CVE-2020-21427 CVE-2020-21428 CVE-2020-22524 Upstream summary: It was discovered that FreeImage incorrectly handled certain memory operations. If a user were tricked into opening a crafted TIFF […]
Introduction IBM AIX 7.2 is the latest release of IBM’s enterprise-grade UNIX operating system, running on IBM Power Systems hardware. Known for its reliability, security, and performance in mission-critical environments, AIX 7.2 introduces enhanced virtualization, security hardening, and cloud integration features. This guide covers how to configure aix trusted computing base (tcb) on ibm aix […]
🔴 Critical ⏱ 15–90 min Last verified: 25 May 2026 Affected versions: Arch Linux (rolling release) 📖 ~4 min read • Source: Arch ASA ASA-201804-10 Related CVEs: CVE-2018-7602 CVE-2018-7600 CVE-2021-33829 CVE-2016-9452 CVE-2016-9450 CVE-2016-9449 Upstream summary: Type: arbitrary command execution. Status: Fixed. Affected: 8.5.2-1. Fixed in: 8.5.3-1. Group: AVG-679. Table of contents Symptom & Impact […]
🟡 Medium ⏱ 10–30 min Last verified: 20 May 2021 Affected versions: SLES 15 📖 ~4 min read • Source: SUSE advisory SUSE-SU-2021:1760-1 (see also SUSE bugzilla) Related CVEs: CVE-2021-3504 CVE-2021-3622 Upstream summary: A flaw was found in the hivex library in versions before 1.3.20. It is caused due to a lack of bounds […]
🟠 High ⏱ 15–60 min Last verified: 20 May 2021 Affected versions: SLES 12 📖 ~4 min read • Source: SUSE advisory SUSE-CU-2022:2025-1 (see also SUSE bugzilla) Related CVEs: CVE-2021-46828 Upstream summary: In libtirpc before 1.3.3rc1, remote attackers could exhaust the file descriptors of a process that uses libtirpc because idle TCP connections are […]
How to Schedule Automated Tasks with cron and anacron on RHEL 7 Automation is at the heart of effective Linux system administration. Red Hat Enterprise Linux 7 provides two complementary scheduling systems: cron for tasks that need to run at precise times on continuously running servers, and anacron for tasks that must eventually run on […]
