Logging Monitoring

FreeBSD 13 — kafka — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — kafka — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 8 October 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: kafka — Denial Of Service vulnerability Related CVEs: CVE-2020-36518 Upstream summary: NIST reports: jackson-databind before 2.13.0 allows a Java StackOverflow exception and denial of service via a large depth of […]

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Common Problems 114938

RHEL 8 SELinux Denies HTTPD Write Access to Application Path

🟡 Medium   ⏱ 5–30 min  Last verified: 8 October 2021 📖 ~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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FreeBSD 13 — py35-twisted — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — py35-twisted — multiple vulnerabilities (6 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 8 October 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: py-twisted — multiple vulnerabilities Related CVEs: CVE-2019-12387 CVE-2019-9512 CVE-2019-9514 CVE-2019-9515 CVE-2020-10108 CVE-2020-10109 Upstream summary: Twisted developers reports: All HTTP clients in twisted.web.client now raise a ValueError when called with a […]

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How to Manage Users and Groups on IBM AIX 7.1 — step-by-step IBM AIX 7.1 tutorial on Progressive Robot

How to Manage Users and Groups on IBM AIX 7.1

Introduction IBM AIX 7.1 is the latest release of IBM’s enterprise-grade UNIX operating system, running on IBM Power Systems hardware. Known for its reliability, security, and performance in mission-critical environments, AIX 7.1 introduces enhanced virtualization, security hardening, and cloud integration features. This guide covers how to manage users and groups on ibm aix 7.1 on […]

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Debian 11 — sword — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — sword — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 8 October 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2005-0015 CVE-2008-0932 Upstream summary: diatheke.pl in Sword 1.5.7a allows remote attackers to execute arbitrary commands via shell metacharacters in a URL. Table of contents Symptom & Impact Environment […]

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Debian 11 — isoqlog — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — isoqlog — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 8 October 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2004-2571 Upstream summary: Multiple buffer overflows in EnderUNIX isoqlog 2.1.1 allow remote attackers to execute arbitrary code via the (1) parseQmailFromBytesLine, (2) parseQmailToRemoteLine, (3) parseQmailToLocalLine, (4) parseSendmailFromBytesLine, (5) […]

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Ubuntu 20.04 — dogtag-pki — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — dogtag-pki — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 8 October 2021 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8158-1 Related CVEs: CVE-2021-20179 Upstream summary: Fraser Tweedale and Geetika Kapoor discovered that Dogtag PKI could renew a certificate without proper authentication. An attacker could possibly use this to repeatedly […]

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How to Set Up a Private Docker Registry on FreeBSD 13 — step-by-step FreeBSD 13 tutorial on Progressive Robot

How to Set Up a Private Docker Registry on FreeBSD 13

Introduction How to Set Up a Private Docker Registry on FreeBSD 13 is a core administration task for any FreeBSD 13 server operator. FreeBSD 13 ships with the 15.0-RELEASE kernel, ZFS as the default root filesystem, Capsicum capability sandboxing improvements, and an updated ports tree. Unlike Linux distributions, FreeBSD uses rc(8) for service management, pf […]

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AlmaLinux 8 — rt-tests — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — rt-tests — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALBA-2022:1837 Upstream summary: For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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Ubuntu 20.04 — open-iscsi — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — open-iscsi — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 8 October 2021 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6259-1 Related CVEs: CVE-2020-13987 CVE-2020-13988 CVE-2020-17437 Upstream summary: Jos Wetzels, Stanislav Dashevskyi, and Amine Amri discovered that Open-iSCSI incorrectly handled certain checksums for IP packets. An attacker could possibly use […]

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