Linux

Ubuntu 16.04 — gvfs — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — gvfs — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 13 December 2019 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4053-1 Related CVEs: CVE-2019-12447 CVE-2019-12448 CVE-2019-12449 CVE-2019-12795 Upstream summary: It was discovered that GVfs incorrectly handled the admin backend. Files created or moved by the admin backend could end up […]

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Oracle Linux 8 — ruby:2.5 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — ruby:2.5 — vulnerability — patch and remediation guide (ELSA-2019-1972)

🟠 High   ⏱ 15–60 min  Last verified: 13 December 2019 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2019-1972 Related CVEs: CVE-2019-8324 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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openSUSE Tumbleweed — graphviz — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — graphviz — 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 advisory openSUSE-SU-2020:1294-1 (see also SUSE bugzilla) Related CVEs: CVE-2018-10196 CVE-2019-11023 Upstream summary: NULL pointer dereference vulnerability in the rebuild_vlists function in lib/dotgen/conc.c in the dotgen library in Graphviz 2.40.1 allows remote attackers to […]

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How to Install and Configure PostGIS on Ubuntu 14.04 — step-by-step Linux tutorial on Progressive Robot

How to Install and Configure PostGIS on Ubuntu 14.04

PostGIS is the spatial extension to the PostgreSQL relational database. PostGIS lets you store spatial data using geometry and geography data types, perform spatial queries with spacial functions to determine area, distance, length, and perimeter, and create spatial indexes…

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Debian 10 — imagemagick — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 10

Debian 10 — imagemagick — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 13 December 2019 Affected versions: Debian 10 (buster) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2019-7175 CVE-2019-13300 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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How to Manage Disk Encryption with LUKS and cryptsetup on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Manage Disk Encryption with LUKS and cryptsetup on RHEL 7

How to Manage Disk Encryption with LUKS and cryptsetup on RHEL 7 Protecting sensitive data at rest is a fundamental security requirement for any enterprise system. Linux Unified Key Setup (LUKS) is the standard disk encryption specification on Linux, and cryptsetup is the command-line tool used to create and manage LUKS-encrypted volumes on RHEL 7. […]

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Common Problems 119048

Ubuntu 14.04 LTS High CPU by kswapd0 and Severe Memory Thrashing

🟡 Medium   ⏱ 5–30 min  Last verified: 12 December 2019 📖 ~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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