ubuntu

Common Problems 116962

Ubuntu 22.04 black screen after NVIDIA driver update

🟡 Medium   ⏱ 5–30 min  Last verified: 19 January 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 18.04 — snakeyaml — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — snakeyaml — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 19 January 2023 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7368-1 Related CVEs: CVE-2017-18640 CVE-2022-25857 CVE-2022-38749 CVE-2022-38750 CVE-2022-38751 Upstream summary: It was discovered that SnakeYAML incorrectly handled recursive entity references. An attacker could possibly use this issue to cause SnakeYAML […]

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

Ubuntu 22.04 — zlib — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 19 January 2023 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5570-2 Related CVEs: CVE-2022-37434 Upstream summary: USN-5570-1 fixed a vulnerability in zlib. This update provides the corresponding update for Ubuntu 22.04 LTS and Ubuntu 20.04 LTS. Original advisory details: Evgeny […]

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Ubuntu 20.04 — gsasl — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — gsasl — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 19 January 2023 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6169-1 Related CVEs: CVE-2022-2469 Upstream summary: It was discovered that GNU SASL's GSSAPI server could make an out-of-bounds reads if given specially crafted GSS-API authentication data. A remote attacker could […]

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How To Install Linux, Apache, MySQL, PHP (LAMP) stack on Ubuntu 14.04 — step-by-step Linux tutorial on Progressive Robot

How To Install Linux, Apache, MySQL, PHP (LAMP) stack on Ubuntu 14.04

One of the most common steps to take when setting up a new server is to install a LAMP stack. LAMP stands for Linux, Apache, MySQL, and PHP. These individual components, when used together, allow us to host dynamic web content like websites and web apps on our server. We will demonstrate how to install these pieces and configure a basic setup for Ubuntu 14.04 in this guide.

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Common Problems 116981

Ubuntu 22.04 LTS – SSH login fails after hardening due to incorrect permissions – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 18 January 2023 Affected versions: Ubuntu 22.04 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 20.04 — slurm-llnl — multiple vulnerabilities (12 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — slurm-llnl — multiple vulnerabilities (12 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 18 January 2023 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6458-1 Related CVEs: CVE-2022-29500 CVE-2022-29501 CVE-2022-29502 CVE-2016-10030 CVE-2017-15566 CVE-2018-7033 CVE-2018-10995 CVE-2019-6438  +4 more Upstream summary: It was discovered that Slurm did not properly handle credential management, which could allow an […]

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Common Problems 117075

Ubuntu 22.04 LTS – Redis fails to bind expected interface – Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 17 January 2023 Affected versions: Ubuntu 22.04 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 18.04 — node-browserify-sign — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — node-browserify-sign — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 17 January 2023 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6800-1 Related CVEs: CVE-2023-46234 Upstream summary: It was discovered that browserify-sign incorrectly handled an upper bound check in signature verification. If a user or an automated system were tricked into […]

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Ubuntu 18.04 — accountsservice — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — accountsservice — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 17 January 2023 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6190-2 Related CVEs: CVE-2023-3297 CVE-2018-14036 CVE-2020-16126 CVE-2020-16127 Upstream summary: USN-6190-1 fixed a vulnerability in AccountsService. This update provides the corresponding update for Ubuntu 14.04 LTS, Ubuntu 16.04 LTS and Ubuntu […]

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