ubuntu

Common Problems 116453

Ubuntu 24.04 LTS – netplan apply causes immediate network connectivity loss

🟠 High   ⏱ 5–30 min  Last verified: 21 August 2024 Affected versions: Ubuntu 24.04 LTS Ubuntu 24.04 Ubuntu 24.04.1 📖 ~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 18.04 — cyrus-imapd — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — cyrus-imapd — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 19 August 2024 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7224-1 Related CVEs: CVE-2019-18928 CVE-2021-33582 CVE-2024-34055 CVE-2019-11356 CVE-2019-19783 Upstream summary: It was discovered that non-authentication-related HTTP requests could be interpreted in an authentication context by a Cyrus IMAP Server when […]

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Ubuntu 24.04 — keystone — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 24.04

Ubuntu 24.04 — keystone — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 19 August 2024 Affected versions: Ubuntu 24.04 (noble) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7857-1 Related CVEs: https://launchpad.net/bugs/2130629 Upstream summary: Kay discovered that OpenStack Keystone incorrectly handled the ec2tokens and s3tokens APIs. A remote attacker could possibly use this issue to obtain unauthorized access […]

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Ubuntu 20.04 — gtk+3.0 — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — gtk+3.0 — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 18 August 2024 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6899-1 Related CVEs: CVE-2024-6655 Upstream summary: It was discovered that GTK would attempt to load modules from the current directory, contrary to expectations. If users started GTK applications from shared […]

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Ubuntu 20.04 — pydantic — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — pydantic — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 18 August 2024 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7101-1 Related CVEs: CVE-2024-3772 CVE-2021-29510 Upstream summary: It was discovered that Pydantic incorrectly handled certain regular expressions. A remote attacker could possibly use this issue to cause a denial of […]

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

Ubuntu 18.04 — unbound — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 18 August 2024 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7080-1 Related CVEs: CVE-2024-8508 CVE-2024-43167 CVE-2024-43168 CVE-2022-3204 CVE-2022-30698 CVE-2022-30699 CVE-2019-25031 CVE-2019-25032  +12 more Upstream summary: Toshifumi Sakaguchi discovered that Unbound incorrectly handled name compression for large RRsets, which could lead […]

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Ubuntu 24.04 — ledgersmb — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 24.04

Ubuntu 24.04 — ledgersmb — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 16 August 2024 Affected versions: Ubuntu 24.04 (noble) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7647-1 Related CVEs: CVE-2021-3693 CVE-2021-3731 CVE-2024-23831 CVE-2021-3882 CVE-2021-3694 Upstream summary: It was discovered that LedgerSMB did not check the origin of HTML fragments. An attacker could possibly use this issue […]

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Ubuntu 20.04 — libvirt — multiple vulnerabilities (10 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — libvirt — multiple vulnerabilities (10 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 15 August 2024 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6734-1 Related CVEs: CVE-2024-1441 CVE-2024-2494 CVE-2024-2496 CVE-2020-25637 CVE-2021-3631 CVE-2021-3667 CVE-2021-3975 CVE-2021-4147  +2 more Upstream summary: Alexander Kuznetsov discovered that libvirt incorrectly handled certain API calls. An attacker could possibly use […]

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

Ubuntu 18.04 — pymongo — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 14 August 2024 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6904-1 Related CVEs: CVE-2024-5629 Upstream summary: It was discovered that PyMongo incorrectly handled certain BSON. An attacker could possibly use this issue to read sensitive information or cause a crash. […]

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Ubuntu 14.04 — xorg-server — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 14.04

Ubuntu 14.04 — xorg-server — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 14 August 2024 Affected versions: Ubuntu 14.04 (trusty) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6721-2 Related CVEs: https://launchpad.net/bugs/2060354 CVE-2024-31080 CVE-2024-31081 CVE-2024-31082 CVE-2024-31083 CVE-2023-6478 CVE-2023-6816 CVE-2024-0229  +12 more Upstream summary: USN-6721-1 fixed vulnerabilities in X.Org X Server. That fix was incomplete resulting in a regression. […]

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