ubuntu

Ubuntu 14.04 — slurm-llnl — multiple vulnerabilities (10 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 14.04

Ubuntu 14.04 — slurm-llnl — multiple vulnerabilities (10 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 29 May 2023 Affected versions: Ubuntu 14.04 (trusty) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8197-1 Related CVEs: CVE-2022-29501 CVE-2016-10030 CVE-2018-10995 CVE-2017-15566 CVE-2018-7033 CVE-2019-6438 CVE-2020-12693 CVE-2020-27745  +2 more Upstream summary: It was discovered that Slurm did not properly handle access control when dealing with RPC […]

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

Ubuntu 18.04 — docker-registry — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 27 May 2023 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6336-1 Related CVEs: CVE-2017-11468 CVE-2023-2253 Upstream summary: It was discovered that Docker Registry incorrectly handled certain crafted input, A remote attacker could possibly use this issue to cause a denial […]

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Ubuntu 16.04 — h2database — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — h2database — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 27 May 2023 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6834-1 Related CVEs: CVE-2021-42392 CVE-2022-23221 Upstream summary: It was discovered that H2 was vulnerable to deserialization of untrusted data. An attacker could possibly use this issue to execute arbitrary code. […]

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

Ubuntu 22.04 — schroot — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 27 May 2023 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5584-1 Related CVEs: CVE-2022-2787 Upstream summary: It was discovered that Schroot incorrectly handled certain Schroot names. An attacker could possibly use this issue to break schroot's internal state causing a […]

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

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

🟠 High   ⏱ 15–60 min  Last verified: 26 May 2023 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6252-1 Related CVEs: CVE-2022-1184 CVE-2022-3303 CVE-2023-1611 CVE-2023-1670 CVE-2023-1859 CVE-2023-1990 CVE-2023-2124 CVE-2023-3090  +12 more Upstream summary: It was discovered that the ext4 file system implementation in the Linux kernel contained a […]

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

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

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2023 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6550-1 Related CVEs: CVE-2022-29221 CVE-2022-31129 CVE-2023-28447 Upstream summary: It was discovered that Smarty, that is integrated in the PostfixAdmin code, was not properly sanitizing user input when generating templates. An […]

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Common Problems 117482

Ubuntu 20.04 LTS – root filesystem remounts read-only after ext4 journal errors – Fix & Prevention

🔴 Critical   ⏱ 5–30 min  Last verified: 25 May 2023 Affected versions: Ubuntu 20.04 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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How To Install MariaDB on Ubuntu 20.04 [Quickstart] — step-by-step Linux tutorial on Progressive Robot

How To Install MariaDB on Ubuntu 20.04 [Quickstart]

MariaDB is an open-source database management system, commonly used as an alternative for the MySQL portion of the popular LAMP (Linux, Apache, MySQL, PHP/Python/Perl) stack. It is intended to be a drop-in replacement for MySQL. This quickstart tutorial will explain how to install MariaDB on an Ubuntu 20.04 server, and verify that it is running and has a safe initial configuration.

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Common Problems 117619

Ubuntu 20.04 permission denied on mounted NTFS drive

🟡 Medium   ⏱ 5–30 min  Last verified: 23 May 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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