Linux

Alpine Linux edge — grub — multiple vulnerabilities (17 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux edge

Alpine Linux edge — grub — multiple vulnerabilities (17 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 2.06-r13 📖 ~4 min read  •  Source: Alpine secdb entry — grub 2.06-r13 Related CVEs: CVE-2021-3697 CVE-2021-3418 CVE-2020-10713 CVE-2020-14308 CVE-2020-14309 CVE-2020-14310 CVE-2020-14311 CVE-2020-14372  +9 more Upstream summary: Alpine main repository for vedge ships grub 2.06-r13 which […]

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Ubuntu 20.04 — adminer — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — adminer — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 6 August 2021 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5271-1 Related CVEs: CVE-2020-35572 CVE-2021-21311 CVE-2021-29625 Upstream summary: It was discovered that Adminer did not escape data in the history parameter of the default URI. A remote attacker could possibly […]

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Arch Linux — libuv — vulnerability — patch and remediation guide — diagnosis and fix on Arch Linux

Arch Linux — libuv — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Arch Linux (rolling release) 📖 ~4 min read  •  Source: Arch ASA ASA-202107-36 Related CVEs: CVE-2021-22918 Upstream summary: Type: information disclosure. Status: Fixed. Affected: 1.41.0-1. Fixed in: 1.41.1-1. Group: AVG-2131. Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis […]

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Oracle Linux 8 — nodejs:12 — security and stability fixes — required update — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — nodejs:12 — security and stability fixes — required update (ELSA-2020-5499)

🟡 Medium   ⏱ 10–30 min  Last verified: 5 August 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2020-5499 Related CVEs: CVE-2020-7774 CVE-2020-8277 CVE-2020-15366 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 118940

Ubuntu 14.04 LTS – apt update shows NO_PUBKEY signature failures

🟠 High   ⏱ 5–30 min  Last verified: 5 August 2021 Affected versions: Ubuntu 14.04 LTS Ubuntu 14.04 Ubuntu 14.04.6 📖 ~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 […]

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AlmaLinux 8 — keycloak-httpd-client-install — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — keycloak-httpd-client-install — 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-2019:3460 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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CHAT