Package Management

Oracle Linux 9 — java-1.8.0-openjdk — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — java-1.8.0-openjdk — vulnerability — patch and remediation guide (ELSA-2022-7007)

🟡 Medium   ⏱ 10–30 min  Last verified: 2 August 2022 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-7007 Related CVEs: CVE-2022-21626 CVE-2022-21619 CVE-2022-21624 CVE-2022-21628 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches […]

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Debian 11 — opensc — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — opensc — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 2 August 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2008-2235 CVE-2008-3972 CVE-2009-0368 CVE-2009-1603 CVE-2010-4523 CVE-2018-16391 CVE-2018-16392 CVE-2018-16393  +12 more Upstream summary: OpenSC before 0.11.5 uses weak permissions (ADMIN file control information of 00) for the 5015 directory […]

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How to Install Redis on Debian 11 — step-by-step Debian 11 tutorial on Progressive Robot

How to Install Redis on Debian 11

Introduction How to Install Redis on Debian 11 is a fundamental operation for any administrator maintaining a Debian 11 Bullseye server. Debian 11 Bullseye ships with the Linux 6.12 kernel, updated toolchains, and a fully refreshed package archive — meaning version numbers, configuration file paths, and some dependency chains differ from Debian 11. This tutorial […]

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IBM AIX 7.2 — CVE-2022-34336 — xss — patch and remediation guide — diagnosis and fix on IBM AIX 7.2

IBM AIX 7.2 — CVE-2022-34336 — xss — patch and remediation guide

🟡 Medium   ⏱ 15–45 min  Last verified: 1 August 2022 Affected versions: IBM AIX 7.2 📖 ~4 min read  •  Source: NVD CVE-2022-34336, IBM Support Bulletin CVE: CVE-2022-34336 NVD summary: IBM WebSphere Application Server 7.0, 8.0, 8.5, and 9.0 is vulnerable to cross-site scripting. This vulnerability allows users to embed arbitrary JavaScript code in […]

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How to Manage Disk Encryption with LUKS and cryptsetup on RHEL 9 — step-by-step RHEL 9 tutorial on Progressive Robot

How to Manage Disk Encryption with LUKS and cryptsetup on RHEL 9

LUKS (Linux Unified Key Setup) is the standard disk encryption format on RHEL 9, providing robust full-disk and partition-level encryption using the dm-crypt kernel subsystem. The cryptsetup utility is the primary tool for creating, managing, and auditing LUKS containers. LUKS2, the default format since RHEL 8, offers improved metadata resilience, Argon2 key derivation, and per-sector […]

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AlmaLinux 9 — dhcp — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on AlmaLinux 9

AlmaLinux 9 — dhcp — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 9 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2023:2502 Related CVEs: CVE-2022-2928 CVE-2022-2929 CVE-2021-25220 Upstream summary: The Dynamic Host Configuration Protocol (DHCP) is a protocol that allows individual devices on an IP network to get their own network configuration information, […]

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FreeBSD 13 — phpldapadmin-php — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — phpldapadmin-php — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 1 August 2022 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: phpldapadmin — XSS vulnerability Related CVEs: CVE-2020-35132 Upstream summary: [email protected] reports: An XSS issue has been discovered in phpLDAPadmin before 1.2.6.2 that allows users to store malicious values that may […]

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