Ubuntu 14.04 LTS

Common Problems 118916

Ubuntu 14.04 LTS apt-get Update Fails with Hash Sum Mismatch

🟡 Medium   ⏱ 5–30 min  Last verified: 10 April 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 14.04 — klibc — multiple vulnerabilities (9 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 14.04

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

🟡 Medium   ⏱ 10–30 min  Last verified: 5 April 2023 Affected versions: Ubuntu 14.04 (trusty) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7959-1 Related CVEs: CVE-2016-9843 CVE-2016-9840 CVE-2016-9841 CVE-2018-25032 CVE-2022-37434 CVE-2021-31870 CVE-2021-31871 CVE-2021-31872  +1 more Upstream summary: It was discovered that zlib, vendored in klibc, did not properly handle integer arithmetic. An […]

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Ubuntu 14.04 — zabbix — multiple vulnerabilities (11 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 14.04

Ubuntu 14.04 — zabbix — multiple vulnerabilities (11 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 5 April 2023 Affected versions: Ubuntu 14.04 (trusty) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6751-1 Related CVEs: CVE-2022-35229 CVE-2022-35230 CVE-2014-3005 CVE-2016-10134 CVE-2016-10742 CVE-2016-4338 CVE-2017-2824 CVE-2017-2825  +3 more Upstream summary: It was discovered that Zabbix incorrectly handled input data in the discovery and graphs pages. […]

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Common Problems 119137

Ubuntu 14.04 LTS – filesystem marked dirty after unclean shutdown

🟠 High   ⏱ 5–30 min  Last verified: 1 April 2023 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 — pixman — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 14.04

Ubuntu 14.04 — pixman — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 28 March 2023 Affected versions: Ubuntu 14.04 (trusty) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5718-2 Related CVEs: CVE-2022-44638 CVE-2015-5297 CVE-2014-9766 Upstream summary: USN-5718-1 fixed a vulnerability in pixman. This update provides the corresponding update for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM. Original advisory […]

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Ubuntu 14.04 — sysstat — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 14.04

Ubuntu 14.04 — sysstat — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 28 March 2023 Affected versions: Ubuntu 14.04 (trusty) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6145-1 Related CVEs: CVE-2022-39377 CVE-2023-33204 Upstream summary: It was discovered that Sysstat incorrectly handled certain arithmetic multiplications. An attacker could use this issue to cause Sysstat to crash, resulting in […]

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Common Problems 118934

Ubuntu 14.04 LTS SSH Access Denied After Security Hardening

🟡 Medium   ⏱ 5–30 min  Last verified: 20 March 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 14.04 — gerbv — multiple vulnerabilities (7 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 14.04

Ubuntu 14.04 — gerbv — multiple vulnerabilities (7 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 20 March 2023 Affected versions: Ubuntu 14.04 (trusty) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6760-1 Related CVEs: CVE-2023-4508 CVE-2021-40391 CVE-2021-40393 CVE-2021-40394 CVE-2021-40400 CVE-2021-40401 CVE-2021-40403 Upstream summary: George-Andrei Iosif and David Fernandez Gonzalez discovered that Gerbv did not properly initialize a data structure when parsing […]

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Ubuntu 14.04 — audiofile — multiple vulnerabilities (18 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 14.04

Ubuntu 14.04 — audiofile — multiple vulnerabilities (18 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 16 March 2023 Affected versions: Ubuntu 14.04 (trusty) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6558-1 Related CVEs: CVE-2018-13440 CVE-2018-17095 CVE-2019-13147 CVE-2022-24599 CVE-2017-6827 CVE-2017-6828 CVE-2017-6829 CVE-2017-6830  +10 more Upstream summary: It was discovered that audiofile could be made to dereference invalid memory. If a user […]

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Common Problems 118983

Ubuntu 14.04 LTS LightDM login loop on desktop

🟡 Medium   ⏱ 5–30 min  Last verified: 3 March 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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