Security Hardening

Oracle Linux 8 — mariadb:10.11 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — mariadb:10.11 — vulnerability — patch and remediation guide (ELSA-2026-0232)

🟠 High   ⏱ 15–60 min  Last verified: 20 August 2025 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2026-0232 Related CVEs: CVE-2025-13699 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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Debian 13 — keystone — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — keystone — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 20 August 2025 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2012-1572 CVE-2012-3426 CVE-2012-3542 CVE-2012-4413 CVE-2012-4456 CVE-2012-4457 CVE-2012-5571 CVE-2013-0247  +12 more Upstream summary: OpenStack Keystone: extremely long passwords can crash Keystone by exhausting stack space Table of contents Symptom […]

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AlmaLinux 8 — libzip — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — libzip — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2019:3735 Related CVEs: CVE-2019-11043 CVE-2025-1220 CVE-2025-14177 CVE-2025-14178 CVE-2025-14180 CVE-2025-1735 CVE-2025-6491 CVE-2023-0567  +12 more Upstream summary: PHP is an HTML-embedded scripting language commonly used with the Apache HTTP Server. Security Fix(es): * php: […]

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How to Install Deno on Debian 13 — step-by-step Debian 13 tutorial on Progressive Robot

How to Install Deno on Debian 13

Introduction How to Install Deno on Debian 13 is a fundamental operation for any administrator maintaining a Debian 13 Trixie server. Debian 13 Trixie ships with the Linux 6.12 kernel, updated toolchains, and a fully refreshed package archive — meaning version numbers, configuration file paths, and some dependency chains differ from Debian 12. This tutorial […]

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NetBSD 10.0 — influxdb — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on NetBSD 10.0

NetBSD 10.0 — influxdb — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: NetBSD 10.0 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Related CVEs: CVE-2019-20933 CVE-2022-36640 CVE-2024-30896 Upstream summary: pkgsrc audit-packages flagged influxdb<1.7.6 for vulnerability class 'authentication-bypass'. Reference: https://nvd.nist.gov/vuln/detail/CVE-2019-20933 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage […]

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Common Problems 124183

Oracle Linux 10 – DNS resolution fails due to systemd-resolved and NetworkManager mismatch – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 19 August 2025 Affected versions: Oracle Linux 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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NetBSD 10.0 — py-django — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on NetBSD 10.0

NetBSD 10.0 — py-django — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: NetBSD 10.0 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Related CVEs: CVE-2014-3730 CVE-2014-0472 CVE-2019-19118 CVE-2012-3442 CVE-2012-4520 CVE-2013-4249 CVE-2014-1418 CVE-2014-0473  +12 more Upstream summary: pkgsrc audit-packages flagged py{15,20,21,22,23,24,25,26,27,31}-django<0.95.1 for vulnerability class 'privilege-escalation'. Reference: http://secunia.com/advisories/23826/ Table of contents Symptom & Impact Environment […]

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Common Problems 124166

Oracle Linux 10 – kdump service fails to reserve crashkernel memory – Fix & Prevention

🔴 Critical   ⏱ 5–30 min  Last verified: 19 August 2025 Affected versions: Oracle Linux 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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How to Use Oracle Linux UEK Kernel Features on Oracle Linux 10 — step-by-step Oracle Linux 10 tutorial on Progressive Robot

How to Use Oracle Linux UEK Kernel Features on Oracle Linux 10

Introduction Setting up use oracle linux uek kernel features on oracle linux 10 on a Oracle Linux 10 server is a common task for system administrators, DevOps engineers, and site reliability engineers. This guide explains how to Use Oracle Linux UEK Kernel Features on Oracle Linux 10, with all the commands you need, the SELinux […]

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Common Problems 124144

Oracle Linux 10 – tuned profile changes are ignored after kernel update – Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 19 August 2025 Affected versions: Oracle Linux 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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