🟡 Medium ⏱ 10–30 min Last verified: 8 February 2022 Affected versions: Oracle Linux 8 📖 ~4 min read • Source: ELSA advisory ELSA-2022-7111 Related CVEs: CVE-2022-32742 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 PostgreSQL Replication on CentOS Stream 9 on CentOS Stream 9 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 […]
🟠 High ⏱ 15–60 min Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read • Source: AlmaLinux ALSA ALSA-2022:0177 Related CVEs: CVE-2021-45463 Upstream summary: GEGL (Generic Graphics Library) is a graph-based image processing framework. Security Fix(es): * gegl: shell expansion via a crafted pathname (CVE-2021-45463) For more details about the […]
Introduction How to Set Up Tekton CI/CD Pipelines on Debian 11 is a fundamental operation for any administrator maintaining a Debian 11 Bullseye server. Debian 11 Bullseye ships with the Linux 6.12 kernel, updated toolchains, and a fully refreshed package archive — meaning version numbers, configuration file paths, and some dependency chains differ from Debian […]
🟢 Low ⏱ 5–15 min Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read • Source: Gentoo GLSA GLSA-202105-07 Related CVEs: CVE-2021-27351 CVE-2020-17448 CVE-2020-25824 Upstream summary: It was discovered that Telegram failed to invalidate a recently active session. Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis […]
🟡 Medium ⏱ 15–45 min Last verified: 8 February 2022 Affected versions: IBM AIX 7.3 📖 ~4 min read • Source: NVD CVE-1999-0086, IBM PSIRT advisory page CVE: CVE-1999-0086 NVD summary: AIX routed allows remote users to modify sensitive files. References: exchange.xforce.ibmcloud.com/vulnerabilities/CVE exchange.xforce.ibmcloud.com/vulnerabilities/CVE Table of contents Symptom & Impact Environment & Reproduction Root […]
🟢 Low ⏱ 5–15 min Last verified: 8 February 2022 Affected versions: FreeBSD 13 📖 ~4 min read • Source: FreeBSD VuXML VuXML topic: Apache Commons FileUpload — denial of service (DoS) vulnerability Related CVEs: CVE-2016-3092 Upstream summary: Mark Thomas reports: CVE-2016-3092 is a denial of service vulnerability that has been corrected in the […]
🟠 High ⏱ 15–60 min Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read • Source: Amazon Linux advisory ALAS2-2021-1619 Related CVEs: CVE-2021-27135 Upstream summary: A flaw was found in xterm. A specially crafted sequence of combining characters causes an out of bounds write leading to arbitrary code execution. […]
🟢 Low ⏱ 5–15 min Last verified: 8 February 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read • Source: Debian Security Tracker Related CVEs: CVE-2020-11020 CVE-2020-15134 Upstream summary: Faye (NPM, RubyGem) versions greater than 0.5.0 and before 1.0.4, 1.1.3 and 1.2.5, has the potential for authentication bypass in the extension system. The […]
How to Set Up a DHCP Server with ISC DHCP on RHEL 7 The ISC DHCP server is the most widely deployed DHCP implementation in enterprise Linux environments. Running your own DHCP server on RHEL 7 gives you full control over IP address assignment, lease times, gateway and DNS options, and fixed-address reservations for servers […]
