Introduction This tutorial demonstrates how to Manage Users and Groups on CentOS Stream 9 on CentOS Stream 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 CentOS Stream 9 system with the […]
🟡 Medium ⏱ 15–45 min Last verified: 12 March 2022 Affected versions: IBM AIX 7.3 đź“– ~4 min read • Source: NVD CVE-2018-1751, IBM Support Bulletin CVE: CVE-2018-1751 NVD summary: IBM Security Key Lifecycle Manager 3.0 through 3.0.0.2 uses weaker than expected cryptographic algorithms that could allow an attacker to decrypt highly sensitive information. […]
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: AlmaLinux 8 đź“– ~4 min read • Source: AlmaLinux ALSA ALBA-2020:1853 Upstream summary: For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]
🟢 Low ⏱ 5–15 min Last verified: 12 March 2022 Affected versions: FreeBSD 13 đź“– ~4 min read • Source: FreeBSD VuXML VuXML topic: pygments — shell injection vulnerability Related CVEs: CVE-2015-8557 Upstream summary: NVD reports: The FontManager._get_nix_font_path function in formatters/img.py in Pygments 1.2.2 through 2.0.2 allows remote attackers to execute arbitrary commands via […]
🟢 Low ⏱ 5–15 min Last verified: 12 March 2022 Affected versions: FreeBSD 13 đź“– ~4 min read • Source: FreeBSD VuXML VuXML topic: plib — remote code execution via buffer overflow Related CVEs: CVE-2010-3384 CVE-2011-4620 Upstream summary: Secunia reports: A vulnerability has been discovered in PLIB, which can be exploited by malicious people […]
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: AlmaLinux 8 đź“– ~4 min read • Source: AlmaLinux ALSA ALSA-2021:4251 Related CVEs: CVE-2018-20845 CVE-2018-20847 CVE-2018-5727 CVE-2018-5785 CVE-2019-12973 CVE-2020-15389 CVE-2020-27814 CVE-2020-27823 +7 more Upstream summary: OpenJPEG is an open source library for reading and writing image files in JPEG2000 format. The following […]
Introduction This tutorial covers How to Configure AppArmor Enforcement on SLES 12 on SLES 12. SLES 12 (SUSE Linux Enterprise Server 16) is SUSE’s enterprise-grade Linux distribution. It uses the zypper package manager, AppArmor for mandatory access control, and systemctl for service management. Step 1 — Check AppArmor Status systemctl status apparmor aa-status Step 2 […]
đźź High ⏱ 15–60 min Last verified: 12 March 2022 Affected versions: Oracle Linux 8 đź“– ~4 min read • Source: ELSA advisory ELSA-2021-0003 Related CVEs: CVE-2020-25211 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: AlmaLinux 8 đź“– ~4 min read • Source: AlmaLinux ALSA ALSA-2021:4513 Related CVEs: CVE-2021-36084 CVE-2021-36085 CVE-2021-36086 CVE-2021-36087 Upstream summary: The libsepol library provides an API for the manipulation of SELinux binary policies. It is used by checkpolicy (the policy compiler) and similar […]
🟢 Low ⏱ 5–15 min Last verified: 12 March 2022 Affected versions: FreeBSD 13 đź“– ~4 min read • Source: FreeBSD VuXML VuXML topic: eggdrop — denial of service vulnerability Related CVEs: CVE-2009-1789 Upstream summary: Secunia reports: The vulnerability is caused due to an error in the processing of private messages within the server […]
