Linux

Oracle Linux 8 — python-pillow — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — python-pillow — vulnerability — patch and remediation guide (ELSA-2020-0580)

🟠 High   ⏱ 15–60 min  Last verified: 10 April 2020 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2020-0580 Related CVEs: CVE-2020-5312 CVE-2019-16865 CVE-2020-5311 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification […]

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openSUSE Tumbleweed — guestfsd — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — guestfsd — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2013:1626-1 (see also SUSE bugzilla) Related CVEs: CVE-2013-4419 CVE-2013-2124 Upstream summary: The guestfish command in libguestfs 1.20.12, 1.22.7, and earlier, when using the –remote or –listen option, does not properly check the […]

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How to Restrict Kernel Module Loading on Debian 10 — step-by-step Debian 10 tutorial on Progressive Robot

How to Restrict Kernel Module Loading on Debian 10

Introduction Debian 10 Buster is built around the ethos of stability and free software. Setting up restrict kernel module loading on debian 10 on Buster leverages the same proven Debian packaging system that powers millions of servers worldwide, while benefiting from the latest upstream releases included in the Buster freeze. Follow each step carefully and […]

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Common Problems 121064

Debian 10: Nginx cannot bind to port 80

🟠 High   ⏱ 5–30 min  Last verified: 9 April 2020 Affected versions: Debian 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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openSUSE Tumbleweed — dracut — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — dracut — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE security advisory (see also SUSE bugzilla) Related CVEs: CVE-2012-4453 CVE-2016-8637 Upstream summary: dracut.sh in dracut, as used in Red Hat Enterprise Linux 6, Fedora 16 and 17, and possibly other products, creates initramfs […]

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How to Configure Docker with TLS Authentication on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Configure Docker with TLS Authentication on Debian 9

Introduction Debian 9 Stretch is built around the ethos of stability and free software. Setting up configure docker with tls authentication on debian 9 on Stretch leverages the same proven Debian packaging system that powers millions of servers worldwide, while benefiting from the latest upstream releases included in the Stretch freeze. Follow each step carefully […]

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openSUSE Tumbleweed — libuser — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — libuser — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE security advisory Related CVEs: CVE-2012-5644 CVE-2012-5630 Upstream summary: libuser has information disclosure when moving user's home directory Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis […]

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How to Configure ModSecurity WAF with Apache2 on Debian 10 — step-by-step Debian 10 tutorial on Progressive Robot

How to Configure ModSecurity WAF with Apache2 on Debian 10

Introduction This guide explains how to Configure ModSecurity WAF with Apache2 on Debian 10 on Debian 10 Buster. Debian Buster 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 10 install with […]

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