ubuntu

Ubuntu 16.04 — libx11 — multiple vulnerabilities (12 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — libx11 — multiple vulnerabilities (12 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 31 July 2023 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6407-2 Related CVEs: CVE-2023-43785 CVE-2023-43786 CVE-2023-43787 CVE-2023-3138 CVE-2021-31535 CVE-2020-14344 CVE-2020-14363 CVE-2016-7942  +4 more Upstream summary: USN-6407-1 fixed several vulnerabilities in libx11. This update provides the corresponding update for Ubuntu 14.04 […]

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Common Problems 118411

Ubuntu 16.04 Network Interface Missing After Kernel Upgrade

🟡 Medium   ⏱ 5–30 min  Last verified: 30 July 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 117534

Ubuntu 20.04 LTS MySQL Access Denied for Root User

🟡 Medium   ⏱ 5–30 min  Last verified: 30 July 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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Ubuntu 22.04 — godot — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — godot — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 30 July 2023 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7579-1 Related CVEs: CVE-2019-2126 CVE-2021-26826 CVE-2021-26825 Upstream summary: It was discovered that the Godot Engine did not properly handle certain malformed WebM media files. If the Godot Engine opened a […]

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

Ubuntu 22.04 — wayland — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 29 July 2023 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5614-1 Related CVEs: CVE-2021-3782 Upstream summary: It was discovered that Wayland incorrectly handled reference counting certain objects. An attacker could use this issue to cause Wayland to crash, resulting in […]

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Ubuntu 16.04 — tinyxml — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — tinyxml — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 27 July 2023 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6612-1 Related CVEs: CVE-2023-34194 CVE-2021-42260 Upstream summary: It was discovered that TinyXML incorrectly handled certain inputs. If a user or an automated system were tricked into opening a specially crafted […]

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Ubuntu 16.04 — configobj — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — configobj — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 26 July 2023 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7040-1 Related CVEs: CVE-2023-26112 Upstream summary: It was discovered that ConfigObj contains regex that is susceptible to catastrophic backtracking. An attacker could possibly use this issue to cause a regular […]

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Ubuntu 20.04 — virtuoso-opensource — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — virtuoso-opensource — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 July 2023 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6879-1 Related CVEs: CVE-2023-31620 CVE-2023-31622 CVE-2023-31624 CVE-2023-31626 CVE-2023-31627 CVE-2023-31629 CVE-2023-31630 CVE-2023-31631  +12 more Upstream summary: Jingzhou Fu discovered that Virtuoso Open-Source Edition incorrectly handled certain crafted SQL statements. An attacker […]

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