Logging Monitoring

Ubuntu 18.04 — batik — multiple vulnerabilities (7 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — batik — multiple vulnerabilities (7 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 7 December 2022 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6117-1 Related CVEs: CVE-2019-17566 CVE-2020-11987 CVE-2022-38398 CVE-2022-38648 CVE-2022-40146 CVE-2022-41704 CVE-2022-42890 Upstream summary: It was discovered that Apache Batik incorrectly handled certain inputs. An attacker could possibly use this to perform […]

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

Oracle Linux 8 — libksba — vulnerability — patch and remediation guide (ELSA-2022-7089)

🟠 High   ⏱ 15–60 min  Last verified: 7 December 2022 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-7089 Related CVEs: CVE-2022-3515 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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Common Problems 115091

RHEL 8 iSCSI Session Login Timeout to SAN Targets

🟡 Medium   ⏱ 5–30 min  Last verified: 6 December 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 & Cross-Refs References & Further […]

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Common Problems 114987

LVM Logical Volume Cannot Be Extended Online

🟡 Medium   ⏱ 5–30 min  Last verified: 6 December 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 & Cross-Refs References & Further […]

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FreeBSD 12 — py310-Scrapy — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — py310-Scrapy — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 6 December 2022 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: py-Scrapy — DoS vulnerability Related CVEs: CVE-2017-14158 CVE-2022-0577 Upstream summary: kmike and nramirezuy report: Scrapy 1.4 allows remote attackers to cause a denial of service (memory consumption) via large files […]

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Common Problems 111687

Windows Server 2022 — DNS recursive queries timing out due to bad forwarders — Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 6 December 2022 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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How to Set Up X11 Forwarding on IBM AIX 7.3 — step-by-step IBM AIX 7.3 tutorial on Progressive Robot

How to Set Up X11 Forwarding on IBM AIX 7.3

Introduction IBM AIX 7.3 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 7.3 introduces enhanced virtualization, security hardening, and cloud integration features. This guide covers how to set up x11 forwarding on IBM AIX 7.3 with […]

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How to Configure JFS2 Filesystems on IBM AIX 7.1 — step-by-step IBM AIX 7.1 tutorial on Progressive Robot

How to Configure JFS2 Filesystems 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 configure jfs2 filesystems on ibm aix 7.1 on IBM […]

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Debian 11 — knot-resolver — multiple vulnerabilities (14 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — knot-resolver — multiple vulnerabilities (14 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 6 December 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2018-1000002 CVE-2018-10920 CVE-2018-1110 CVE-2019-10190 CVE-2019-10191 CVE-2019-19331 CVE-2020-12667 CVE-2021-40083  +6 more Upstream summary: Improper input validation bugs in DNSSEC validators components in Knot Resolver (prior version 1.5.2) allow attacker […]

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

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

🟠 High   ⏱ 15–60 min  Last verified: 6 December 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2007-6721 CVE-2011-3389 CVE-2013-0169 CVE-2013-1624 CVE-2015-6644 CVE-2015-7940 CVE-2016-1000338 CVE-2016-1000339  +12 more Upstream summary: The Legion of the Bouncy Castle Java Cryptography API before release 1.38, as used in Crypto […]

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