🟡 Medium ⏱ 5–30 min Last verified: 26 November 2023 Affected versions: Ubuntu 22.04 LTS (Jammy) 📖 ~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 & Hardening Related […]
🟢 Low ⏱ 5–15 min Last verified: 26 November 2023 Affected versions: Debian 11 (bullseye) 📖 ~4 min read • Source: Debian Security Tracker Related CVEs: CVE-2023-22895 Upstream summary: The bzip2 crate before 0.4.4 for Rust allow attackers to cause a denial of service via a large file that triggers an integer overflow in […]
Introduction How to Set Up eBPF-Based Security Monitoring on Debian 12 is a fundamental operation for any administrator maintaining a Debian 12 Bookworm server. Debian 12 Bookworm 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 […]
🟠 High ⏱ 15–60 min Last verified: 26 November 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read • Source: Debian Security Tracker Related CVEs: CVE-2008-3547 CVE-2008-3576 CVE-2008-3577 CVE-2009-4007 CVE-2010-0401 CVE-2010-0402 CVE-2010-0406 CVE-2010-2534 +7 more Upstream summary: Buffer overflow in the server in OpenTTD 0.6.1 and earlier allows remote authenticated users to cause […]
🟠 High ⏱ 15–60 min Last verified: 26 November 2023 Affected versions: Oracle Linux 9 📖 ~4 min read • Source: ELSA advisory ELSA-2022-9952 Related CVEs: CVE-2022-32215 CVE-2022-21619 CVE-2022-32214 CVE-2022-32212 CVE-2022-21626 CVE-2022-21624 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: Alpine Linux 3.18 / fixed in 23.1.2-r0 📖 ~4 min read • Source: Alpine secdb entry — cloud-init 23.1.2-r0 Related CVEs: CVE-2023-1786 CVE-2022-2084 CVE-2021-3429 Upstream summary: Alpine community repository for vv3.18 ships cloud-init 23.1.2-r0 which addresses CVE-2023-1786. Table of contents Symptom & […]
The previous tutorials in this series guided you through installing, configuring, and running Suricata as an Intrusion Detection (IDS) and Intrusion Prevention (IPS) system. You also learned about Suricata rules and how to create your own. In this tutorial you will explore…
Introduction Debian 12 Bookworm is built around the ethos of stability and free software. Setting up install apache2 on debian 12 on Bookworm leverages the same proven Debian packaging system that powers millions of servers worldwide, while benefiting from the latest upstream releases included in the Bookworm freeze. Follow each step carefully and the resulting […]
🟢 Low ⏱ 5–15 min Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read • Source: Amazon Linux advisory ALAS2-2023-2357 Related CVEs: CVE-2023-4156 Upstream summary: A heap out-of-bounds read flaw was found in builtin.c in the gawk package which may result in a crash of the software. (CVE-2023-4156) Table […]
🟢 Low ⏱ 5–15 min Last verified: 25 November 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read • Source: Debian Security Tracker Related CVEs: CVE-2020-14001 CVE-2021-28834 Upstream summary: The kramdown gem before 2.3.0 for Ruby processes the template option inside Kramdown documents by default, which allows unintended read access (such as template="/etc/passwd") […]
