Ubuntu 20.04

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

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

🟢 Low   ⏱ 5–15 min  Last verified: 30 August 2023 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7251-1 Related CVEs: CVE-2023-25193 CVE-2022-33068 Upstream summary: It was discovered that HarfBuzz incorrectly handled shaping certain fonts. A remote attacker could possibly use this issue to cause HarfBuzz to consume […]

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Ubuntu 20.04 — linux-azure-fde — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — linux-azure-fde — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 August 2023 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5909-1 Related CVEs: CVE-2022-3628 CVE-2022-3640 CVE-2022-3649 CVE-2022-41849 CVE-2022-41850 CVE-2022-42895 CVE-2023-20928 CVE-2022-20421  +12 more Upstream summary: It was discovered that the Broadcom FullMAC USB WiFi driver in the Linux kernel did […]

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

Ubuntu 20.04 — cargo — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 August 2023 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6275-1 Related CVEs: CVE-2023-38497 Upstream summary: Addison Crump discovered that Cargo incorrectly set file permissions on UNIX-like systems when extracting crate archives. If the crate would contain files writable by […]

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Ubuntu 20.04にAptを使用してJavaをインストールする方法 — step-by-step Linux tutorial on Progressive Robot

Ubuntu 20.04にAptを使用してJavaをインストールする方法

このガイドでは、`apt`を使用して、Java Runtime Environment (JRE)と Java Developer Kit (JDK)のさまざまなバージョンをUbuntu 18.04にインストールします。OpenJDKとOracleの公式JDKをインストールします。次にプロジェクトに使用するバージョンを選択します。 終了したら、JDKを使用してソフトウェアを開発したり、Java Runtimeを使用してソフトウェアを実行したりできます。

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

Ubuntu 20.04 — cjose — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 20 August 2023 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6307-1 Related CVEs: CVE-2023-37464 Upstream summary: It was discovered that JOSE for C/C++ AES GCM decryption routine incorrectly uses the Tag length from the actual Authentication Tag provided in the […]

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Ersteinrichtung des Servers mit Ubuntu 20.04 — step-by-step Linux tutorial on Progressive Robot

Ersteinrichtung des Servers mit Ubuntu 20.04

Wenn Sie erstmals einen neuen Ubuntu 20.04 Server einrichten, sollten Sie im Rahmen der grundlegenden Einrichtung einige wichtige Konfigurationsschritte ausführen. Dadurch erhöhen Sie die Sicherheit und Benutzerfreundlichkeit Ihres Servers und haben eine solide Grundlage für…

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Common Problems 117457

Ubuntu 20.04 GNOME Shell High CPU Usage

🟡 Medium   ⏱ 5–30 min  Last verified: 13 August 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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