Linux

Ubuntu 18.04 — nova — multiple vulnerabilities (7 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — nova — multiple vulnerabilities (7 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 14 January 2023 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5866-1 Related CVEs: CVE-2015-9543 CVE-2017-18191 CVE-2020-17376 CVE-2021-3654 CVE-2022-37394 CVE-2022-47951 CVE-2019-14433 Upstream summary: It was discovered that Nova did not properly manage data logged into the log file. An attacker with […]

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Ubuntu 22.04 — neutron — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — neutron — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 14 January 2023 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6067-1 Related CVEs: CVE-2021-20267 CVE-2021-38598 CVE-2021-40085 CVE-2021-40797 CVE-2022-3277 Upstream summary: David Sinquin discovered that OpenStack Neutron incorrectly handled the default Open vSwitch firewall rules. An attacker could possibly use this […]

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Ubuntu 16.04 — node-url-parse — multiple vulnerabilities (8 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — node-url-parse — multiple vulnerabilities (8 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 14 January 2023 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5973-1 Related CVEs: CVE-2018-3774 CVE-2020-8124 CVE-2021-27515 CVE-2021-3664 CVE-2022-0512 CVE-2022-0639 CVE-2022-0686 CVE-2022-0691 Upstream summary: It was discovered that url-parse incorrectly handled certain inputs. If a user or an automated system were […]

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Oracle Linux 8 — c-ares — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — c-ares — vulnerability — patch and remediation guide (ELSA-2023-7116)

🟡 Medium   ⏱ 10–30 min  Last verified: 14 January 2023 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-7116 Related CVEs: CVE-2022-4904 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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Comment installer le serveur web Apache sur CentOS 8 — step-by-step Linux tutorial on Progressive Robot

Comment installer le serveur web Apache sur CentOS 8

Le serveur HTTP Apache est le serveur web le plus utilisé au monde. Il offre de nombreuses fonctionnalités puissantes, notamment des modules à chargement dynamique, une prise en charge robuste des médias et une intégration poussée avec d’autres…

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Common Problems 118098

Ubuntu 18.04 Netplan Configuration Ignored on Boot

🟡 Medium   ⏱ 5–30 min  Last verified: 13 January 2023 📖 ~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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Common Problems 114614

RHEL 9: MariaDB Fails to Start After Package Update

🟡 Medium   ⏱ 5–30 min  Last verified: 13 January 2023 📖 ~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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Debian 11 — haskell-cmark-gfm — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — haskell-cmark-gfm — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 13 January 2023 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2020-5238 Upstream summary: The table extension in GitHub Flavored Markdown before version 0.29.0.gfm.1 takes O(n * n) time to parse certain inputs. An attacker could craft a markdown […]

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