Package Management

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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Debian 11 — kubernetes — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — kubernetes — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 28 August 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2016-7075 CVE-2017-1000056 CVE-2017-1002101 CVE-2017-1002102 CVE-2018-1002100 CVE-2018-1002102 CVE-2018-1002105 CVE-2019-1002100  +12 more Upstream summary: It was found that Kubernetes as used by Openshift Enterprise 3 did not correctly validate X.509 […]

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How to Configure Network QoS with tc on RHEL 9 — step-by-step RHEL 9 tutorial on Progressive Robot

How to Configure Network QoS with tc on RHEL 9

Network Quality of Service (QoS) lets you control how bandwidth is distributed across different types of traffic, ensuring that latency-sensitive applications like VoIP or interactive SSH sessions remain responsive even when bulk transfers saturate the link. The Linux tc (traffic control) subsystem implements this through a combination of queuing disciplines, classes, and packet filters. This […]

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Amazon Linux 2 — kernel-livepatch-5.10.102-99.473 — vulnerability — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — kernel-livepatch-5.10.102-99.473 — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2LIVEPATCH-2022-077 Related CVEs: CVE-2022-1786 Upstream summary: io_uring: always use original task when preparing req identity (CVE-2022-1786) Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage […]

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