Ubuntu 18.04

Ubuntu 18.04 — gif2apng — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — gif2apng — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 6 November 2021 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5969-1 Related CVEs: CVE-2021-45909 CVE-2021-45910 CVE-2021-45911 Upstream summary: It was discovered that gif2apng contained multiple heap-base overflows. An attacker could potentially exploit this to cause a denial of service (system […]

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Ubuntu 18.04 — linux-hwe — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — linux-hwe — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 29 October 2021 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5014-1 Related CVEs: CVE-2021-33909 CVE-2021-3609 https://launchpad.net/bugs/1924611 CVE-2021-29154 CVE-2021-3492 CVE-2021-3493 CVE-2020-27170 CVE-2020-27171  +12 more Upstream summary: It was discovered that the virtual file system implementation in the Linux kernel contained an […]

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Ubuntu 18.04 — glances — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — glances — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 26 October 2021 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5187-1 Related CVEs: CVE-2021-23418 Upstream summary: It was discovered that Glances incorrectly parsed untrusted XML data due to usage of xmlrpclib. An attacker could possibly use this to perform an […]

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Ubuntu 18.04 — svgpp — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — svgpp — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 19 October 2021 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6178-1 Related CVEs: CVE-2019-6246 CVE-2021-44960 Upstream summary: It was discovered that in SVG++ library that the demo application incorrectly managed memory resulting in a memory access violation under certain circumstances. […]

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Common Problems 117905

Ubuntu 18.04 LTS – dist-upgrade aborts with held broken packages

🟠 High   ⏱ 5–30 min  Last verified: 18 October 2021 Affected versions: Ubuntu 18.04 LTS Ubuntu 18.04 Ubuntu 18.04.6 📖 ~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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Common Problems 117932

Hash Sum mismatch During apt update

🟡 Medium   ⏱ 5–30 min  Last verified: 17 October 2021 📖 ~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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CHAT