Ubuntu 14.04 LTS

Common Problems 119050

Ubuntu 14.04 LTS PHP-FPM Pool Exhaustion Causes 502 Errors

🟠 High   ⏱ 5–30 min  Last verified: 10 June 2020 Affected versions: 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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Ubuntu 14.04 — pyxdg — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 14.04

Ubuntu 14.04 — pyxdg — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 9 June 2020 Affected versions: Ubuntu 14.04 (trusty) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4700-1 Related CVEs: CVE-2019-12761 Upstream summary: Alexandre D'Hondt discovered that PyXDG did not properly sanitize input. An attacker could exploit this with a crafted .menu file to execute arbitrary code. […]

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Common Problems 119069

Ubuntu 14.04 LTS MySQL Won’t Start Due to InnoDB Corruption

🟡 Medium   ⏱ 5–30 min  Last verified: 5 June 2020 📖 ~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 14.04 — wget — multiple vulnerabilities (9 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 14.04

Ubuntu 14.04 — wget — multiple vulnerabilities (9 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 4 June 2020 Affected versions: Ubuntu 14.04 (trusty) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-3943-1 Related CVEs: CVE-2018-20483 CVE-2019-5953 CVE-2018-0494 CVE-2016-7098 CVE-2017-13089 CVE-2017-13090 CVE-2017-6508 CVE-2016-4971  +1 more Upstream summary: It was discovered that Wget incorrectly handled certain inputs. An attacker could possibly use this […]

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Common Problems 119117

Ubuntu 14.04 LTS – locale warnings appear in shell and scripts

🟢 Low   ⏱ 5–30 min  Last verified: 2 June 2020 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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Ubuntu 14.04 — mariadb-5.5 — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 14.04

Ubuntu 14.04 — mariadb-5.5 — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 31 May 2020 Affected versions: Ubuntu 14.04 (trusty) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-3957-2 Related CVEs: CVE-2019-2614 CVE-2019-2627 Upstream summary: USN-3957-1 fixed multiple vulnerabilities in MySQL. This update provides the corresponding fixes for CVE-2019-2614 and CVE-2019-2627 in MariaDB 5.5. Ubuntu 14.04 LTS has […]

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Common Problems 119119

Ubuntu 14.04 LTS NVIDIA Driver Causes Black Screen After Login

🟡 Medium   ⏱ 5–30 min  Last verified: 24 May 2020 📖 ~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 118980

Ubuntu 14.04 LTS RAID Degraded After Unexpected Reboot

🟠 High   ⏱ 5–30 min  Last verified: 19 May 2020 Affected versions: 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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Ubuntu 14.04 — grub2-signed — multiple vulnerabilities (10 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 14.04

Ubuntu 14.04 — grub2-signed — multiple vulnerabilities (10 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 18 May 2020 Affected versions: Ubuntu 14.04 (trusty) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4432-2 Related CVEs: https://launchpad.net/bugs/1889556 https://wiki.ubuntu.com/SecurityTeam/KnowledgeBase/GRUB2SecureBootBypass CVE-2020-10713 CVE-2020-14308 CVE-2020-14309 CVE-2020-14310 CVE-2020-14311 CVE-2020-15705  +2 more Upstream summary: USN-4432-1 fixed vulnerabilities in GRUB2 affecting Secure Boot environments. Unfortunately, the update introduced regressions for […]

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Common Problems 119014

Ubuntu 14.04 LTS Package Install Blocked by dpkg Lock

🟡 Medium   ⏱ 5–30 min  Last verified: 17 May 2020 📖 ~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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