Linux

Amazon Linux 2 — kernel-livepatch-4.14.246-187.474 — vulnerability — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — kernel-livepatch-4.14.246-187.474 — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2LIVEPATCH-2021-072 Related CVEs: CVE-2021-4002 Upstream summary: No CVE associated with this advisory Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – […]

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Debian 11 — smplayer — multiple vulnerabilities (11 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — smplayer — multiple vulnerabilities (11 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 9 November 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2017-2891 CVE-2017-2892 CVE-2017-2893 CVE-2017-2894 CVE-2017-2895 CVE-2017-2909 CVE-2017-2921 CVE-2017-2922  +3 more Upstream summary: An exploitable use-after-free vulnerability exists in the HTTP server implementation of Cesanta Mongoose 6.8. An ordinary […]

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

openSUSE Tumbleweed — mc — 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-2022:0061-1 (see also SUSE bugzilla) Related CVEs: CVE-2021-36370 Upstream summary: An issue was discovered in Midnight Commander through 4.8.26. When establishing an SFTP connection, the fingerprint of the server is neither checked […]

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Gentoo Linux — media-gfx/librecad — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on Gentoo Linux

Gentoo Linux — media-gfx/librecad — multiple vulnerabilities (6 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read  •  Source: Gentoo GLSA GLSA-202305-26 Related CVEs: CVE-2021-21898 CVE-2021-21899 CVE-2021-21900 CVE-2021-45341 CVE-2021-45342 CVE-2021-45343 Upstream summary: Multiple vulnerabilities have been discovered in LibreCAD. Please review the CVE identifiers referenced below for details. Table of contents Symptom & […]

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How To Add Swap on CentOS 7 — step-by-step Linux tutorial on Progressive Robot

How To Add Swap on CentOS 7

One of the easiest ways to make your server more responsive, and guard against out-of-memory errors in your application, is to add some swap space. This gives you the ability to increase the amount of information that your server can keep in its working memory. In this guide, we will cover how to create and enable a swap file on a CentOS 7 server.

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Oracle Linux 8 — dhcp — security and stability fixes — required update — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — dhcp — security and stability fixes — required update (ELSA-2023-3000)

🟡 Medium   ⏱ 10–30 min  Last verified: 8 November 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-3000 Related CVEs: CVE-2022-2929 CVE-2022-2928 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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Common Problems 117569

Ubuntu 20.04 disk space full due to logs and cache

🟡 Medium   ⏱ 5–30 min  Last verified: 8 November 2021 📖 ~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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AlmaLinux 8 — gpm — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — gpm — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALBA-2021:1915 Upstream summary: For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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