Operations

Amazon Linux 2023 — util-linux — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Amazon Linux 2023

Amazon Linux 2023 — util-linux — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2023 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2023-2023-024 Related CVEs: CVE-2021-3995 CVE-2021-3996 CVE-2022-0563 Upstream summary: A logic error was found in the libmount library of util-linux in the function that allows an unprivileged user to unmount a […]

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FreeBSD 13 — qt5-core — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — qt5-core — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 15 May 2023 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: Qt5 — QProcess unexpected search path Related CVEs: CVE-2022-25255 Upstream summary: The Qt Company reports: Recently, the Qt Project's security team was made aware of an issue regarding QProcess and […]

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How to Set Up Oracle Linux 9 for High-Performance Computing — step-by-step Oracle Linux 9 tutorial on Progressive Robot

How to Set Up Oracle Linux 9 for High-Performance Computing

Introduction Oracle Linux 9 ships with a stable, security-hardened base that makes deploying set up oracle linux 9 for high-performance computing both straightforward and auditable. This tutorial covers the complete procedure for how to Set Up Oracle Linux 9 for High-Performance Computing, including dnf module streams where applicable, systemd unit management, and the firewalld rules […]

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Ubuntu 18.04 — node-hawk — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — node-hawk — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 15 May 2023 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6116-1 Related CVEs: CVE-2022-29167 Upstream summary: It was discovered that hawk incorrectly handled certain inputs. If a user or an automated system were tricked into opening a specially crafted input […]

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Ubuntu 16.04 — sox — multiple vulnerabilities (14 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — sox — multiple vulnerabilities (14 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 15 May 2023 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6345-1 Related CVEs: CVE-2023-32627 CVE-2021-33844 CVE-2019-13590 CVE-2021-23159 CVE-2021-23172 CVE-2021-23210 CVE-2021-3643 CVE-2021-40426  +6 more Upstream summary: It was discovered that SoX incorrectly handled certain inputs. If a user or an automated […]

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Common Problems 111677

Windows Server 2022 — DNS scavenging not removing stale records — Fix & Prevention

🟢 Low   ⏱ 5–30 min  Last verified: 15 May 2023 Affected versions: Windows Server 2022 📖 ~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 Errors […]

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Ubuntu 22.04 — maven — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — maven — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 15 May 2023 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5245-1 Related CVEs: CVE-2021-26291 Upstream summary: It was discovered that Apache Maven followed repositories that are defined in a dependency's Project Object Model (pom) even if the repositories weren't encrypted […]

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Alpine Linux edge — apr-util — vulnerability — patch and remediation guide — diagnosis and fix on Alpine Linux edge

Alpine Linux edge — apr-util — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 1.6.3-r0 📖 ~4 min read  •  Source: Alpine secdb entry — apr-util 1.6.3-r0 Related CVEs: CVE-2022-25147 Upstream summary: Alpine main repository for vedge ships apr-util 1.6.3-r0 which addresses CVE-2022-25147. Table of contents Symptom & Impact Environment […]

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CentOS Stream 9 — bash — vulnerability — patch and remediation guide — diagnosis and fix on CentOS Stream 9

CentOS Stream 9 — bash — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 15 May 2023 Affected versions: CentOS Stream 9 📖 ~4 min read  •  Source: AlmaLinux/RHEL advisory ALSA-2023:0340 Related CVEs: CVE-2022-3715 Upstream summary: The bash packages provide Bash (Bourne-again shell), which is the default shell for AlmaLinux. Security Fix(es): * bash: a heap-buffer-overflow in valid_parameter_transform (CVE-2022-3715) For more […]

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