Introduction Setting up set up openvswitch on oracle linux 8 on a Oracle Linux 8 server is a common task for system administrators, DevOps engineers, and site reliability engineers. This guide explains how to Set Up OpenVSwitch on Oracle Linux 8, with all the commands you need, the SELinux and firewalld considerations to keep in […]
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 analyze system errors with diag on ibm aix 7.2 […]
🟡 Medium ⏱ 10–30 min Last verified: 16 February 2021 Affected versions: Ubuntu 14.04 (trusty) 📖 ~4 min read • Source: Ubuntu Security Notice USN-4875-1 Related CVEs: CVE-2020-7247 CVE-2020-8793 CVE-2020-8794 Upstream summary: It was discovered that OpenSMTPD incorrectly verified the sender's or receiver's e-mail addresses under certain conditions. An attacker could possibly use this […]
🟢 Low ⏱ 5–15 min Last verified: 16 February 2021 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read • Source: Ubuntu Security Notice USN-7211-1 Related CVEs: CVE-2020-11867 Upstream summary: Mike Salvatore discovered that Audacity incorrectly handled default permissions of temporary files created by the application. An attacker could possibly use this issue to […]
🟡 Medium ⏱ 10–30 min Last verified: 16 February 2021 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read • Source: Ubuntu Security Notice USN-5027-1 Related CVEs: CVE-2021-32610 CVE-2020-36193 CVE-2020-28948 CVE-2020-28949 Upstream summary: It was discovered that PEAR incorrectly handled symbolic links in archives. A remote attacker could possibly use this issue to execute […]
Introduction to Device Guard Device Guard is a set of hardware and software security features in Windows Server 2019 that locks down a device to run only trusted applications and drivers. It consists of two main components: Virtualization-Based Code Integrity (HVCI, also called Memory Integrity), which uses Hyper-V to protect the kernel from unsigned or […]
🟢 Low ⏱ 5–15 min Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read • Source: Gentoo GLSA GLSA-202210-07 Related CVEs: CVE-2021-3427 Upstream summary: Deluge does not sufficiently sanitize crafted torrent file data, leading to the application interpreting untrusted data as HTML. Table of contents Symptom & Impact Environment & […]
🟢 Low ⏱ 5–15 min Last verified: 16 February 2021 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read • Source: Ubuntu Security Notice USN-5169-1 Related CVEs: CVE-2020-10737 Upstream summary: Matthias Gerstner discovered that there was a race condition in the mkhomedir tool shipped with the oddjob package. An authenticated attacker could use this […]
🟡 Medium ⏱ 10–30 min Last verified: 16 February 2021 Affected versions: Oracle Linux 8 📖 ~4 min read • Source: ELSA advisory ELSA-2021-3582 Related CVEs: CVE-2021-22923 CVE-2021-22922 CVE-2021-22924 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification […]
🟠 High ⏱ 15–60 min Last verified: 15 February 2021 Affected versions: Oracle Linux 8 📖 ~4 min read • Source: ELSA advisory ELSA-2022-5683 Related CVEs: CVE-2022-21541 CVE-2022-21540 CVE-2022-34169 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification […]
