March 2023 - Page 20 of 72

How to Configure SELinux Policies on Oracle Linux 9 — step-by-step Oracle Linux 9 tutorial on Progressive Robot

How to Configure SELinux Policies on Oracle Linux 9

Introduction Setting up configure selinux policies on oracle linux 9 on a Oracle Linux 9 server is a common task for system administrators, DevOps engineers, and site reliability engineers. This guide explains how to Configure SELinux Policies on Oracle Linux 9, with all the commands you need, the SELinux and firewalld considerations to keep in […]

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Oracle Linux 9 — sysstat — security and stability fixes — required update — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — sysstat — security and stability fixes — required update (ELSA-2023-2234)

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-2234 Related CVEs: CVE-2022-39377 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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FreeBSD 12 — openssl-quic — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — openssl-quic — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: OpenSSL — Multiple vulnerabilities Related CVEs: CVE-2023-0464 CVE-2023-0465 CVE-2023-0466 Upstream summary: The OpenSSL project reports: Severity: low Applications that use a non-default option when verifying certificates may be vulnerable to […]

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FreeBSD 12 — py38-WsgiDAV — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — py38-WsgiDAV — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: py-WsgiDAV — XSS vulnerability Related CVEs: CVE-2022-41905 Upstream summary: Implementations using this library with directory browsing enabled may be susceptible to Cross Site Scripting (XSS) attacks. Table of contents Symptom […]

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FreeBSD 12 — py311-borgbackup — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — py311-borgbackup — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: Borg (Backup) — flaw in cryptographic authentication scheme in Borg allowed an attacker to fake archives and indirectly cause backup data loss. Related CVEs: CVE-2023-36811 Upstream summary: Thomas Waldmann reports: […]

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Common Problems 111716

Windows Server 2022 – RDS licensing mode not configured after policy drift – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 18 May 2026 Affected versions: Windows Server 2022 📖 ~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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Debian 11 — php-cas — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — php-cas — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2012-5583 CVE-2014-4172 CVE-2017-1000071 CVE-2022-39369 Upstream summary: phpCAS before 1.3.2 does not verify that the server hostname matches a domain name in the subject's Common Name (CN) or subjectAltName […]

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Ubuntu 16.04 — traceroute — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — traceroute — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6478-1 Related CVEs: CVE-2023-46316 Upstream summary: It was discovered that Traceroute did not properly parse command line arguments. An attacker could possibly use this issue to execute arbitrary commands. Table […]

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How to Configure Buildbot CI on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Configure Buildbot CI on Debian 9

Introduction How to Configure Buildbot CI on Debian 9 is a fundamental operation for any administrator maintaining a Debian 9 Stretch server. Debian 9 Stretch 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 9. This […]

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