Linux

openSUSE Tumbleweed — ved — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — ved — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory openSUSE-SU-2018:1137-1 (see also SUSE bugzilla) Related CVEs: CVE-2018-1000156 Upstream summary: GNU Patch version 2.7.6 contains an input validation vulnerability when processing patch files, specifically the EDITOR_PROGRAM invocation (using ed) can result in […]

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Alpine Linux edge — doas — vulnerability — patch and remediation guide — diagnosis and fix on Alpine Linux edge

Alpine Linux edge — doas — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 6.8-r1 📖 ~4 min read  •  Source: Alpine secdb entry — doas 6.8-r1 Related CVEs: CVE-2019-25016 Upstream summary: Alpine main repository for vedge ships doas 6.8-r1 which addresses CVE-2019-25016. Table of contents Symptom & Impact Environment […]

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openSUSE Tumbleweed — nasm — multiple vulnerabilities (13 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — nasm — multiple vulnerabilities (13 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2019:14246-1 (see also SUSE bugzilla) Related CVEs: CVE-2017-14228 CVE-2017-17810 CVE-2017-11111 CVE-2017-17811 CVE-2017-17812 CVE-2017-17813 CVE-2017-17814 CVE-2017-17815  +5 more Upstream summary: In Netwide Assembler (NASM) 2.14rc0, there is an illegal address access in the […]

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Amazon Linux 2 — policycoreutils — vulnerability — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — policycoreutils — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2-2018-1076 Related CVEs: CVE-2018-1063 Upstream summary: Context relabeling of filesystems is vulnerable to symbolic link attack, allowing a local, unprivileged malicious entity to change the SELinux context of an arbitrary […]

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How to Configure Redis Sentinel on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Configure Redis Sentinel on Debian 9

Introduction How to Configure Redis Sentinel on Debian 9 is a fundamental operation for any administrator maintaining a Debian 9 Stretch server. Debian 9 Stretch 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 9. This […]

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How To Install Elasticsearch 1.7, Logstash 1.5, and Kibana 4.1 (ELK Stack) on Ubuntu 14.04 — step-by-step Linux tutorial on Progressive Robot

How To Install Elasticsearch 1.7, Logstash 1.5, and Kibana 4.1 (ELK Stack) on Ubuntu 14.04

In this tutorial, we will go over the installation of a legacy version of Elasticsearch ELK Stack on Ubuntu 14.04—that is, Elasticsearch 1.7.3, Logstash 1.5.4, and Kibana 4.1.1. We will also show you how to configure it to gather and visualize the syslogs of your systems in a centralized location. Logstash is an open source tool for collecting, parsing, and storing logs for future use. Kibana is a web interface that can be used to search and view the logs that Logstash has indexed.

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Ubuntu 16.04 — kde4libs — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — kde4libs — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 20 July 2019 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4100-1 Related CVEs: CVE-2016-6232 CVE-2019-14744 Upstream summary: It was discovered that KConfig and KDE libraries have a vulnerability where an attacker could hide malicious code under desktop and configuration files. […]

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Common Problems 118009

Ubuntu 18.04 LTS GPG Key Expired for apt Repository

🟡 Medium   ⏱ 5–30 min  Last verified: 19 July 2019 Affected versions: 18.04 LTS 📖 ~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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Alpine Linux edge — zziplib — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux edge

Alpine Linux edge — zziplib — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 0.13.69-r2 📖 ~4 min read  •  Source: Alpine secdb entry — zziplib 0.13.69-r2 Related CVEs: CVE-2018-16548 CVE-2018-17828 Upstream summary: Alpine community repository for vedge ships zziplib 0.13.69-r2 which addresses CVE-2018-16548. Table of contents Symptom & Impact […]

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