Package Management

Debian 12 — cpio — multiple vulnerabilities (12 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — cpio — multiple vulnerabilities (12 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 4 December 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-1999-1572 CVE-2005-1111 CVE-2005-1229 CVE-2005-4268 CVE-2007-4476 CVE-2010-0624 CVE-2014-9112 CVE-2015-1197  +4 more Upstream summary: cpio on FreeBSD 2.1.0, Debian GNU/Linux 3.0, and possibly other operating systems, uses a 0 umask […]

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Debian 12 — karchive — vulnerability — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — karchive — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 4 December 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2016-6232 Upstream summary: Directory traversal vulnerability in KArchive before 5.24, as used in KDE Frameworks, allows remote attackers to write to arbitrary files via a ../ (dot dot […]

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How to Install GitLab Runner on Debian 12 — step-by-step Debian 12 tutorial on Progressive Robot

How to Install GitLab Runner on Debian 12

Introduction Debian 12 Bookworm is built around the ethos of stability and free software. Setting up install gitlab runner 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 […]

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Oracle Linux 9 — curl — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — curl — vulnerability — patch and remediation guide (ELSA-2022-8299)

🟢 Low   ⏱ 5–15 min  Last verified: 4 December 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-8299 Related CVEs: CVE-2022-27775 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

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Common Problems 114414

DNF Modular Stream Conflicts in RHEL 9

🟡 Medium   ⏱ 5–30 min  Last verified: 4 December 2023 📖 ~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 & Cross-Refs References & Further […]

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NetBSD 9.4 — amanda-server — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — amanda-server — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: NetBSD 9.4 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Related CVEs: CVE-2022-37705 CVE-2022-37704 Upstream summary: pkgsrc audit-packages flagged amanda-server<3.5.4 for vulnerability class 'local-root-shell'. Reference: https://nvd.nist.gov/vuln/detail/CVE-2022-37705 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step […]

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How to Use Skopeo for Container Image Management on Debian 12 — step-by-step Debian 12 tutorial on Progressive Robot

How to Use Skopeo for Container Image Management on Debian 12

Introduction Deploying use skopeo for container image management on debian 12 on a Debian 12 Bookworm machine is straightforward thanks to Debian’s policy-compliant packaging. Unlike rpm-based distributions, Debian stores configuration helpers in /etc/default/, uses update-rc.d for older init scripts, and provides dpkg-reconfigure for interactive package configuration. This tutorial stays on the systemd path throughout. Prerequisites […]

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How to Configure Nginx Rate Limiting on CentOS Stream 9 — step-by-step CentOS Stream 9 tutorial on Progressive Robot

How to Configure Nginx Rate Limiting on CentOS Stream 9

Introduction This tutorial demonstrates how to Configure Nginx Rate Limiting on CentOS Stream 9 on CentOS Stream 9. It is written for administrators who want a repeatable, well-explained walkthrough that goes beyond a bare command list and explains each configuration choice. Every command is tested against a freshly registered CentOS Stream 9 system with the […]

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Amazon Linux 2023 — bcel — vulnerability — patch and remediation guide — diagnosis and fix on Amazon Linux 2023

Amazon Linux 2023 — bcel — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2023 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2023-2023-105 Related CVEs: CVE-2022-42920 Upstream summary: Apache Commons BCEL has a number of APIs that would normally only allow changing specific class characteristics. However, due to an out-of-bounds writing issue, […]

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Oracle Linux 9 — Tuned Profile Packages for Oracle Cloud Infrastructure Are Moved — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — Tuned Profile Packages for Oracle Cloud Infrastructure Are Moved

🟠 High   ⏱ 5–30 min  Last verified: 3 December 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: Oracle Bug OLRNT-topic_lpv_lcy_3xb 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 […]

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