🟢 Low ⏱ 5–15 min Last verified: 11 October 2020 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read • Source: Ubuntu Security Notice USN-6232-1 Related CVEs: CVE-2020-21365 Upstream summary: It was discovered that wkhtmltopdf was not properly enforcing the same-origin policy when processing certain HTML files. If a user or automated system using […]
🟠 High ⏱ 30–90 min Last verified: 11 October 2020 Affected versions: IBM AIX 7.2 📖 ~4 min read • Source: NVD CVE-2020-4411, IBM Support Bulletin CVE: CVE-2020-4411 NVD summary: The Spectrum Scale 4.2.0.0 through 4.2.3.21 and 5.0.0.0 through 5.0.4.3 file system component is affected by a denial of service vulnerability in its kernel […]
Introduction Deploying install zabbix server on debian 9 on a Debian 9 Stretch 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 Ensure Debian 9 […]
🟠 High ⏱ 15–60 min Last verified: 10 October 2020 Affected versions: Oracle Linux 8 📖 ~4 min read • Source: ELSA advisory ELSA-2020-0348 Related CVEs: CVE-2020-7039 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]
Introduction How to Configure Corosync on Oracle Linux 8 on Oracle Linux 8 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 configuration is reproducible […]
🟠 High ⏱ 15–60 min Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 0.9.13-r5 📖 ~4 min read • Source: Alpine secdb entry — libvncserver 0.9.13-r5 Related CVEs: CVE-2020-29260 CVE-2019-20839 CVE-2019-20840 CVE-2020-14397 CVE-2020-14399 CVE-2020-14400 CVE-2020-14401 CVE-2020-14402 +8 more Upstream summary: Alpine community repository for vedge ships libvncserver 0.9.13-r5 which […]
🟡 Medium ⏱ 10–30 min Last verified: 10 October 2020 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read • Source: Ubuntu Security Notice USN-4572-1 Related CVEs: CVE-2020-14355 CVE-2019-3813 CVE-2018-10873 CVE-2017-12194 Upstream summary: Frediano Ziglio discovered that Spice incorrectly handled QUIC image decoding. A remote attacker could use this to cause Spice to crash, […]
How to Install and Configure AIDE on RHEL 7 AIDE (Advanced Intrusion Detection Environment) is a host-based intrusion detection system (HIDS) that works by taking a cryptographic snapshot of your filesystem at a known-good point in time and then comparing the current state of the filesystem against that baseline to identify any files that have […]
🟠 High ⏱ 15–60 min Last verified: 9 October 2020 Affected versions: Oracle Linux 8 📖 ~4 min read • Source: ELSA advisory ELSA-2021-0474 Related CVEs: CVE-2021-1721 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]
Introduction This tutorial covers How to Configure LVM on SLES 15 on SLES 15. SLES 15 (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 — Install LVM zypper install -y lvm2 Step 2 — Create […]
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