April 2023 - Page 44 of 69

Ubuntu 22.04 — linux-hwe-5.19 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — linux-hwe-5.19 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6260-1 Related CVEs: CVE-2022-48502 CVE-2023-2640 CVE-2023-3090 CVE-2023-31248 CVE-2023-3141 CVE-2023-32629 CVE-2023-3389 CVE-2023-3390  +12 more Upstream summary: It was discovered that the NTFS file system implementation in the Linux kernel did not […]

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Ubuntu 20.04へのPostgreSQLのインストールおよび使用方法 — step-by-step Linux tutorial on Progressive Robot

Ubuntu 20.04へのPostgreSQLのインストールおよび使用方法

PostgreSQL、またはPostgresは、SQLクエリ言語の実装を提供するリレーショナルデータベース管理システムです。このガイドは、Ubuntu 20.04サーバーにPostgresをインストールする方法を示します。また、一般的なデータベース管理方法も紹介します。

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Oracle Linux 8 — conmon — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — conmon — vulnerability — patch and remediation guide (ELSA-2023-13054)

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-13054 Related CVEs: CVE-2023-44487 CVE-2023-39325 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & […]

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Oracle Linux 8 — tomcat — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — tomcat — vulnerability — patch and remediation guide (ELSA-2023-5928)

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-5928 Related CVEs: CVE-2023-44487 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

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How to Set Up ZFS on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Set Up ZFS on RHEL 8

ZFS is a combined file system and logical volume manager renowned for its data integrity guarantees, transparent compression, built-in snapshotting, and copy-on-write architecture. While ZFS is not included in the RHEL 8 kernel, the OpenZFS project provides compatible DKMS packages that build the kernel module on demand. This tutorial covers adding the OpenZFS repository, installing […]

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Amazon Linux 2023 — memcached — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Amazon Linux 2023

Amazon Linux 2023 — memcached — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2023 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2023-2023-449 Related CVEs: CVE-2023-46852 CVE-2023-46853 Upstream summary: In Memcached before 1.6.22, a buffer overflow exists when processing multiget requests in proxy mode, if there are many spaces after the "get" […]

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Oracle Linux 9 — java-11-openjdk — security and stability fixes — required update — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — java-11-openjdk — security and stability fixes — required update (ELSA-2023-4158)

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-4158 Related CVEs: CVE-2023-22036 CVE-2023-22041 CVE-2023-22049 CVE-2023-22006 CVE-2023-25193 CVE-2023-22045 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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Amazon Linux 2 — log4j — multiple vulnerabilities (7 CVEs) — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — log4j — multiple vulnerabilities (7 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2-2022-1750 Related CVEs: CVE-2022-23302 CVE-2022-23305 CVE-2022-23307 CVE-2017-5645 CVE-2019-17571 CVE-2021-4104 CVE-2021-44228 Upstream summary: A flaw was found in the Java logging library Apache Log4j in version 1.x. JMSSink in Log4j 1.x […]

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