Linux

Oracle Linux 8 — dnsmasq — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — dnsmasq — vulnerability — patch and remediation guide (ELSA-2024-1335)

🟠 High   ⏱ 15–60 min  Last verified: 28 January 2023 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2024-1335 Related CVEs: CVE-2023-50387 CVE-2023-50868 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & […]

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How to Use Ansible to Automate Initial Server Setup on Ubuntu 22.04 — step-by-step Linux tutorial on Progressive Robot

How to Use Ansible to Automate Initial Server Setup on Ubuntu 22.04

Ansible offers a simple architecture that doesn’t require special software to be installed on nodes. It also provides a robust set of features and built-in modules which facilitate writing automation scripts. This guide explains how to use Ansible to automate the steps contained in our Initial Server Setup Guide for Ubuntu 20.04 servers.

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Alpine Linux edge — consul-template — vulnerability — patch and remediation guide — diagnosis and fix on Alpine Linux edge

Alpine Linux edge — consul-template — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 0.29.2-r0 📖 ~4 min read  •  Source: Alpine secdb entry — consul-template 0.29.2-r0 Related CVEs: CVE-2022-38149 Upstream summary: Alpine community repository for vedge ships consul-template 0.29.2-r0 which addresses CVE-2022-38149. Table of contents Symptom & Impact Environment […]

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Debian 11 — blktrace — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — blktrace — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 27 January 2023 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2018-10689 Upstream summary: blktrace (aka Block IO Tracing) 1.2.0, as used with the Linux kernel and Android, has a buffer overflow in the dev_map_read function in btt/devmap.c because […]

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Debian 11 — squidguard — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — squidguard — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 27 January 2023 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2009-3700 CVE-2009-3826 CVE-2015-8936 Upstream summary: Buffer overflow in sgLog.c in squidGuard 1.3 and 1.4 allows remote attackers to cause a denial of service (application hang or loss of […]

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Debian 11 — xmlsec1 — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — xmlsec1 — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 27 January 2023 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2009-0217 CVE-2009-3736 CVE-2011-1425 CVE-2017-1000061 Upstream summary: The design of the W3C XML Signature Syntax and Processing (XMLDsig) recommendation, as implemented in products including (1) the Oracle Security Developer […]

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Debian 11 — golang-github-prometheus-exporter-toolkit — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — golang-github-prometheus-exporter-toolkit — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 27 January 2023 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2022-46146 Upstream summary: Prometheus Exporter Toolkit is a utility package to build exporters. Prior to versions 0.7.2 and 0.8.2, if someone has access to a Prometheus web.yml file […]

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Debian 11 — python-treq — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — python-treq — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 27 January 2023 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2022-23607 Upstream summary: treq is an HTTP library inspired by requests but written on top of Twisted's Agents. Treq's request methods (`treq.get`, `treq.post`, etc.) and `treq.client.HTTPClient` constructor accept […]

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