Linux

How to Apply CIS Benchmark Hardening to Debian 13 — step-by-step Debian 13 tutorial on Progressive Robot

How to Apply CIS Benchmark Hardening to Debian 13

Introduction This guide explains how to Apply CIS Benchmark Hardening to Debian 13 on Debian 13 Trixie. Debian Trixie uses systemd for service management, nftables as the underlying packet filter (with ufw or iptables front-ends still available), and AppArmor for mandatory access control. Every command is designed for a minimal Debian 13 install with the […]

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Ubuntu 22.04 — cifs-utils — multiple vulnerabilities (7 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — cifs-utils — multiple vulnerabilities (7 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 20 October 2025 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7536-2 Related CVEs: https://launchpad.net/bugs/2113906 https://launchpad.net/bugs/2112614 CVE-2025-2312 CVE-2020-14342 CVE-2021-20208 CVE-2022-27239 CVE-2022-29869 Upstream summary: USN-7536-1 fixed vulnerabilities in cifs-utils. This update introduced a regression in certain environments. This update fixes the problem. […]

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Oracle Linux 9 — grub2 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — grub2 — vulnerability — patch and remediation guide (ELSA-2025-6990)

🟡 Medium   ⏱ 10–30 min  Last verified: 20 October 2025 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2025-6990 Related CVEs: CVE-2024-45775 CVE-2024-45781 CVE-2025-0677 CVE-2024-45783 CVE-2024-45774 CVE-2025-0622 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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Common Problems 116499

Ubuntu 24.04 LTS Bluetooth Headset Microphone Missing HFP Profile

🟡 Medium   ⏱ 5–30 min  Last verified: 20 October 2025 📖 ~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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SLES 15 — fontforge — multiple vulnerabilities (7 CVEs) — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — fontforge — multiple vulnerabilities (7 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 20 October 2025 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory RHSA-2026:6628 (see also SUSE bugzilla) Related CVEs: CVE-2025-15270 CVE-2024-25081 CVE-2024-25082 CVE-2020-5395 CVE-2020-5496 CVE-2025-50949 CVE-2017-17521 Upstream summary: FontForge SFD File Parsing Improper Validation of Array Index Remote Code Execution Vulnerability. This vulnerability allows […]

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How to Manage Node.js with nvm on Debian 13 — step-by-step Debian 13 tutorial on Progressive Robot

How to Manage Node.js with nvm on Debian 13

Introduction Debian 13 Trixie is built around the ethos of stability and free software. Setting up manage node.js with nvm on Trixie leverages the same proven Debian packaging system that powers millions of servers worldwide, while benefiting from the latest upstream releases included in the Trixie freeze. Follow each step carefully and the resulting configuration […]

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Oracle Linux 8 — Unbreakable Enterprise kernel — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — Unbreakable Enterprise kernel — vulnerability — patch and remediation guide (ELSA-2025-25731)

🟠 High   ⏱ 15–60 min  Last verified: 20 October 2025 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2025-25731 Related CVEs: CVE-2025-39973 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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AlmaLinux 10 — iperf3 — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 10

AlmaLinux 10 — iperf3 — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 10 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2026:1597 Related CVEs: CVE-2025-54349 Upstream summary: Iperf is a tool which can measure maximum TCP bandwidth and tune various parameters and UDP characteristics. Iperf reports bandwidth, delay jitter, and data-gram loss. Security […]

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Common Problems 124104

Oracle Linux 10 – OpenSSL trust store missing internal CA chain – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 19 October 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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Debian 13 — nexuiz — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — nexuiz — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 19 October 2025 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2006-6609 CVE-2006-6610 CVE-2007-0657 Upstream summary: Nexuiz before 2.2.1 allows remote attackers to cause a denial of service (resource exhaustion or crash) via unspecified vectors related to "fake players." […]

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