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AlmaLinux 8 — libqb — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — libqb — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALBA-2020:4522 Upstream summary: For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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FreeBSD 13 — py37-Scrapy — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — py37-Scrapy — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 28 August 2022 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: py-Scrapy — DoS vulnerability Related CVEs: CVE-2017-14158 CVE-2022-0577 Upstream summary: kmike and nramirezuy report: Scrapy 1.4 allows remote attackers to cause a denial of service (memory consumption) via large files […]

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Debian 11 — checkinstall — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — checkinstall — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 28 August 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2008-2958 CVE-2020-25031 Upstream summary: Race condition in (1) checkinstall 1.6.1 and (2) installwatch allows local users to overwrite arbitrary files and have other impacts via symlink and possibly […]

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FreeBSD 13 — nfsen — security advisory — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — nfsen — security advisory — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 28 August 2022 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: nfsen — remote command execution Upstream summary: Peter Haag reports: A remote attacker with access to the web interface to execute arbitrary commands on the host operating system. Table of […]

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Ubuntu 20.04 — linux-intel-5.13 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — linux-intel-5.13 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 28 August 2022 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5485-1 Related CVEs: CVE-2022-21123 CVE-2022-21125 CVE-2022-21166 CVE-2022-1158 CVE-2022-1966 CVE-2022-1972 CVE-2022-21499 CVE-2022-24958  +12 more Upstream summary: It was discovered that some Intel processors did not completely perform cleanup actions on multi-core […]

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How to Install FastAPI on SLES 12 — step-by-step SUSE Linux Enterprise 12 tutorial on Progressive Robot

How to Install FastAPI on SLES 12

Introduction This tutorial covers How to Install FastAPI on SLES 12 on SLES 12. SLES 12 (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. Prerequisites Ensure your SLES 12 system is up to date: zypper refresh && […]

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Oracle Linux 8 — grub2 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — grub2 — vulnerability — patch and remediation guide (ELSA-2022-9595)

🟠 High   ⏱ 15–60 min  Last verified: 28 August 2022 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-9595 Related CVEs: CVE-2021-3696 CVE-2022-28737 CVE-2022-28734 CVE-2022-28735 CVE-2022-28736 CVE-2021-3697 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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How To Set Up an Endlessh Tarpit on Ubuntu 22.04 — step-by-step Linux tutorial on Progressive Robot

How To Set Up an Endlessh Tarpit on Ubuntu 22.04

When looking at authentication logs, you might see several failed login attempts from various IP addresses that often .come from a node on a botnet. While you may not be able to stop these attacks, you can slow them down with tarpits. In this tutorial, you will install and configure Endlessh, a tarpit that slowly sends an infinitely long banner to any user attempting login, as well as configure the SSH service to run on a different port.

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