Common Problems

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

Oracle Linux 8 — kernel — security and stability fixes — required update (ELSA-2022-5316)

🟠 High   ⏱ 15–60 min  Last verified: 18 February 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-5316 Related CVEs: CVE-2020-28915 CVE-2022-27666 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 119116

Ubuntu 14.04 LTS – Samba authentication failures block file access – Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 18 February 2021 Affected versions: Ubuntu 14.04 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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Debian 10 — underscore — vulnerability — patch and remediation guide — diagnosis and fix on Debian 10

Debian 10 — underscore — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 18 February 2021 Affected versions: Debian 10 (buster) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2021-23358 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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Ubuntu 16.04 — maven — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — maven — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 18 February 2021 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5245-1 Related CVEs: CVE-2021-26291 Upstream summary: It was discovered that Apache Maven followed repositories that are defined in a dependency's Project Object Model (pom) even if the repositories weren't encrypted […]

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Ubuntu 20.04 — software-properties — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — software-properties — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 18 February 2021 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4457-1 Related CVEs: CVE-2020-15709 Upstream summary: Jason A. Donenfeld discovered that Software Properties incorrectly filtered certain escape sequences when displaying PPA descriptions. If a user were tricked into adding an […]

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

openSUSE Tumbleweed — ark — 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 advisory openSUSE-SU-2020:1183-1 (see also SUSE bugzilla) Related CVEs: CVE-2020-16116 CVE-2020-24654 Upstream summary: In kerfuffle/jobs.cpp in KDE Ark before 20.08.0, a crafted archive can install files outside the extraction directory via ../ directory traversal. […]

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Ubuntu 18.04 — mariadb-10.1 — multiple vulnerabilities (18 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — mariadb-10.1 — multiple vulnerabilities (18 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 18 February 2021 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4944-1 Related CVEs: https://launchpad.net/bugs/1926926 CVE-2020-13249 CVE-2020-15180 CVE-2020-2752 CVE-2020-2760 CVE-2020-2812 CVE-2020-2814 CVE-2020-2574  +10 more Upstream summary: This update fixed multiple vulnerabilities in MariaDB. Ubuntu 18.04 LTS has been updated to MariaDB […]

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Gentoo Linux — media-plugins/live — multiple vulnerabilities (12 CVEs) — patch and remediation guide — diagnosis and fix on Gentoo Linux

Gentoo Linux — media-plugins/live — multiple vulnerabilities (12 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-202407-23 Related CVEs: CVE-2020-24027 CVE-2021-38380 CVE-2021-38381 CVE-2021-38382 CVE-2021-39282 CVE-2021-39283 CVE-2018-4013 CVE-2019-15232  +4 more Upstream summary: Multiple vulnerabilities have been discovered in LIVE555 Media Server. Please review the CVE identifiers referenced below for […]

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Ubuntu 18.04 — hivex — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — hivex — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 18 February 2021 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5148-1 Related CVEs: CVE-2021-3504 Upstream summary: It was discovered that hivex incorrectly handled certain input. An attacker could use this vulnerability to cause a crash or obtain sensitive information. Table […]

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Ubuntu 18.04 — http-parser — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — http-parser — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 18 February 2021 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5563-1 Related CVEs: CVE-2020-8287 Upstream summary: It was discovered that http-parser incorrectly handled certain requests. An attacker could possibly use this issue to bypass security controls or gain unauthorized access […]

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CHAT