Linux

Amazon Linux 2023 — perl-CPAN — vulnerability — patch and remediation guide — diagnosis and fix on Amazon Linux 2023

Amazon Linux 2023 — perl-CPAN — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2023 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2023-2023-182 Related CVEs: CVE-2023-31484 Upstream summary: HTTP::Tiny 0.082, a Perl core module since 5.13.9 and available standalone on CPAN, has an insecure default TLS configuration where users must opt in […]

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Common Problems 117448

Ubuntu 20.04 LTS – dpkg interrupted with error code 1 during package install

🟠 High   ⏱ 5–30 min  Last verified: 21 March 2023 Affected versions: Ubuntu 20.04 LTS Ubuntu 20.04 Ubuntu 20.04.6 📖 ~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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Debian 11 — ruby-globalid — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — ruby-globalid — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 21 March 2023 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2023-22799 Upstream summary: A ReDoS based DoS vulnerability in the GlobalID <1.0.1 which could allow an attacker supplying a carefully crafted input can cause the regular expression engine […]

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Ubuntu 22.04 — ansible — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — ansible — multiple vulnerabilities (6 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 21 March 2023 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6846-1 Related CVEs: CVE-2022-3697 CVE-2023-5764 CVE-2020-10744 CVE-2020-1733 CVE-2021-3583 CVE-2021-3620 Upstream summary: It was discovered that Ansible incorrectly handled certain inputs when using tower_callback parameter. If a user or an automated […]

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Ubuntu 22.04 — zabbix — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — zabbix — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 21 March 2023 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6751-1 Related CVEs: CVE-2022-35229 CVE-2022-35230 Upstream summary: It was discovered that Zabbix incorrectly handled input data in the discovery and graphs pages. A remote authenticated attacker could possibly use this […]

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Amazon Linux 2 — advancecomp — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — advancecomp — multiple vulnerabilities (4 CVEs) — 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 ALAS2-2020-1450 Related CVEs: CVE-2019-9210 CVE-2023-2961 CVE-2019-8379 CVE-2019-8383 Upstream summary: In AdvanceCOMP 2.1, png_compress in pngex.cc in advpng has an integer overflow upon encountering an invalid PNG size, which results in […]

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Ubuntu 22.04 — wheel — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — wheel — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 21 March 2023 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5821-1 Related CVEs: CVE-2022-40898 Upstream summary: Sebastian Chnelik discovered that wheel incorrectly handled certain file names when validated against a regex expression. An attacker could possibly use this issue to […]

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How to Configure File System Quotas on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Configure File System Quotas on Debian 9

Introduction Debian 9 Stretch is built around the ethos of stability and free software. Setting up configure file system quotas on debian 9 on Stretch leverages the same proven Debian packaging system that powers millions of servers worldwide, while benefiting from the latest upstream releases included in the Stretch freeze. Follow each step carefully and […]

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Oracle Linux 8 — firefox — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — firefox — vulnerability — patch and remediation guide (ELSA-2023-5184)

🟠 High   ⏱ 15–60 min  Last verified: 21 March 2023 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-5184 Related CVEs: CVE-2023-4863 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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Oracle Linux 9 — libtpms — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — libtpms — vulnerability — patch and remediation guide (ELSA-2023-2453)

🟡 Medium   ⏱ 10–30 min  Last verified: 21 March 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-2453 Related CVEs: CVE-2023-1018 CVE-2023-1017 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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