Linux

CentOS Stream 9 — openjpeg2 — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on CentOS Stream 9

CentOS Stream 9 — openjpeg2 — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 12 February 2025 Affected versions: CentOS Stream 9 📖 ~4 min read  •  Source: AlmaLinux/RHEL advisory ALSA-2025:7309 Related CVEs: CVE-2024-56826 CVE-2024-56827 CVE-2022-1122 Upstream summary: OpenJPEG is an open source library for reading and writing image files in JPEG2000 format. Security Fix(es): * openjpeg: heap buffer overflow in […]

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Oracle Linux 8 — python39:3.9 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — python39:3.9 — vulnerability — patch and remediation guide (ELSA-2025-23530)

🟠 High   ⏱ 15–60 min  Last verified: 12 February 2025 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2025-23530 Related CVEs: CVE-2024-11168 CVE-2024-5642 CVE-2024-9287 CVE-2025-0938 CVE-2025-4138 CVE-2025-4330 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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Alpine Linux 3.19 — bzip2 — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux 3.19

Alpine Linux 3.19 — bzip2 — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.19 / fixed in 1.0.6-r7 📖 ~4 min read  •  Source: Alpine secdb entry — bzip2 1.0.6-r7 Related CVEs: CVE-2019-12900 CVE-2016-3189 Upstream summary: Alpine main repository for vv3.19 ships bzip2 1.0.6-r7 which addresses CVE-2019-12900. Table of contents Symptom & Impact […]

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

Oracle Linux 9 — less — vulnerability — patch and remediation guide (ELSA-2024-3513)

🟠 High   ⏱ 15–60 min  Last verified: 12 February 2025 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2024-3513 Related CVEs: CVE-2024-32487 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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Oracle Linux 9 — openssl and openssl-fips-provider — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — openssl and openssl-fips-provider — vulnerability — patch and remediation guide (ELSA-2024-2447)

🟢 Low   ⏱ 5–15 min  Last verified: 12 February 2025 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2024-2447 Related CVEs: CVE-2023-6237 CVE-2023-3817 CVE-2023-6129 CVE-2024-0727 CVE-2023-2975 CVE-2023-5678 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 Configure Multipath I/O on CentOS Stream 10 — step-by-step CentOS Stream 10 tutorial on Progressive Robot

How to Configure Multipath I/O on CentOS Stream 10

Introduction CentOS Stream 10 ships with a stable, security-hardened base that makes deploying configure multipath i/o on centos stream 10 both straightforward and auditable. This tutorial covers the complete procedure for how to Configure Multipath I/O on CentOS Stream 10, including dnf module streams where applicable, systemd unit management, and the firewalld rules required for […]

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How to Set Up Buildkite Agent on CentOS Stream 10 — step-by-step CentOS Stream 10 tutorial on Progressive Robot

How to Set Up Buildkite Agent on CentOS Stream 10

Introduction How to Set Up Buildkite Agent on CentOS Stream 10 on CentOS Stream 10 provides administrators with a robust, enterprise-ready workflow that integrates cleanly with systemd, SELinux, firewalld, and the modern AppStream module system. In this tutorial we will walk through every step required, from package installation to verification, so that the resulting configuration […]

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How to Install Elasticsearch on CentOS Stream 10 — step-by-step CentOS Stream 10 tutorial on Progressive Robot

How to Install Elasticsearch on CentOS Stream 10

Introduction This tutorial demonstrates how to Install Elasticsearch on CentOS Stream 10 on CentOS Stream 10. 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 10 system with the default AppStream […]

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Common Problems 127088

CentOS Stream 10 – Common Problem 163 – Diagnosis and Fix

🟠 High   ⏱ 5–30 min  Last verified: 11 February 2025 Affected versions: CentOS Stream 10 📖 ~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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Debian 11 — lasso — multiple vulnerabilities (7 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — lasso — multiple vulnerabilities (7 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 11 February 2025 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2009-0050 CVE-2015-1783 CVE-2021-28091 CVE-2025-46404 CVE-2025-46705 CVE-2025-46784 CVE-2025-47151 Upstream summary: Lasso 2.2.1 and earlier does not properly check the return value from the OpenSSL DSA_verify function, which allows remote […]

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