🔴 Critical ⏱ 15–90 min Last verified: 5 April 2023 Affected versions: Oracle Linux 8 📖 ~4 min read • Source: ELSA advisory ELSA-2023-3922 Related CVEs: CVE-2023-29402 CVE-2023-29404 CVE-2023-29405 CVE-2023-29403 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches […]
How to Use OpenSSL to Generate, Sign and Manage SSL Certificates on RHEL 7 OpenSSL is the standard open-source toolkit for implementing the Secure Sockets Layer (SSL) and Transport Layer Security (TLS) protocols, and it is used on almost every Linux server in production. On Red Hat Enterprise Linux 7, OpenSSL is installed by default […]
Learn how to create a new user with sudo privileges on Rocky Linux, including secure configuration, group assignment, and permission verification.
Podman Compose (podman-compose) is a Python implementation of the Docker Compose specification that uses Podman instead of Docker. It allows running existing docker-compose.yml / compose.yaml files with Podman’s rootless, daemon-less container engine. For teams migrating from Docker to Podman, podman-compose provides a familiar workflow with minimal configuration changes. Alternatively, Podman 4.0+ includes a native podman […]
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: AlmaLinux 9 📖 ~4 min read • Source: AlmaLinux ALSA ALSA-2022:8226 Related CVEs: CVE-2022-2309 Upstream summary: lxml is an XML processing library providing access to libxml2 and libxslt libraries using the Python ElementTree API. Security Fix(es): * lxml: NULL Pointer Dereference in […]
🟠 High ⏱ 15–60 min Last verified: 4 April 2023 Affected versions: Oracle Linux 9 📖 ~4 min read • Source: ELSA advisory ELSA-2025-12280 Related CVEs: CVE-2025-52999 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 ⏱ 5–30 min Last verified: 4 April 2023 Affected versions: Ubuntu 20.04 LTS Ubuntu 20.04 Ubuntu 20.04.6 📖 ~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 […]
Introduction This tutorial demonstrates how to Configure Redis Sentinel on Oracle Linux 9 on Oracle Linux 9. It is written for administrators who want a repeatable, well-explained walkthrough that goes beyond a bare command list and explains each configuration choice. Every command is tested against a freshly registered Oracle Linux 9 system with the default […]
🟡 Medium ⏱ 15–45 min Last verified: 4 April 2023 Affected versions: IBM AIX 7.3 📖 ~4 min read • Source: NVD CVE-2023-47707, IBM Support Bulletin CVE: CVE-2023-47707 NVD summary: IBM Security Guardium Key Lifecycle Manager 4.3 is vulnerable to cross-site scripting. This vulnerability allows users to embed arbitrary JavaScript code in the Web […]
🟡 Medium ⏱ 10–30 min Last verified: 4 April 2023 Affected versions: FreeBSD 13 📖 ~4 min read • Source: FreeBSD VuXML VuXML topic: zgrep — arbitrary file write Related CVEs: CVE-2005-0988 CVE-2005-1228 CVE-2006-4334 CVE-2006-4335 CVE-2006-4336 CVE-2006-4337 CVE-2006-4338 CVE-2022-1271 Upstream summary: RedHat reports: An arbitrary file write vulnerability was found in GNU gzip's zgrep […]
