Logging Monitoring

Oracle Linux 9 — jackson — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — jackson — vulnerability — patch and remediation guide (ELSA-2023-2312)

🟡 Medium   ⏱ 10–30 min  Last verified: 4 January 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-2312 Related CVEs: CVE-2020-36518 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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Oracle Linux 8 — ol8addon — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — ol8addon — vulnerability — patch and remediation guide (ELSA-2022-24267)

🟠 High   ⏱ 15–60 min  Last verified: 4 January 2023 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-24267 Related CVEs: CVE-2022-1962 CVE-2022-2880 CVE-2022-2879 CVE-2022-28131 CVE-2022-41715 CVE-2022-30633 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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Oracle Linux 9 — Unbreakable Enterprise kernel — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — Unbreakable Enterprise kernel — vulnerability — patch and remediation guide (ELSA-2022-9689)

🟠 High   ⏱ 15–60 min  Last verified: 4 January 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-9689 Related CVEs: CVE-2022-2588 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 — mod_dav_svn-lts — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — mod_dav_svn-lts — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 3 January 2023 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: Subversion — Multiple vulnerabilities in server code Related CVEs: CVE-2021-28544 CVE-2022-24070 Upstream summary: Subversion project reports: Subversion servers reveal 'copyfrom' paths that should be hidden according to configured path-based authorization […]

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

Debian 11 — playmidi — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 3 January 2023 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2005-0020 Upstream summary: Buffer overflow in playmidi before 2.4 allows local users to execute arbitrary code. Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis […]

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Common Problems 118486

Ubuntu 16.04 LTS – failed to mount /boot during startup

🟠 High   ⏱ 5–30 min  Last verified: 3 January 2023 Affected versions: Ubuntu 16.04 LTS Ubuntu 16.04 Ubuntu 16.04.7 📖 ~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 […]

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Common Problems 114564

Sudo Policy Error Blocks Privileged Commands

🟡 Medium   ⏱ 5–30 min  Last verified: 3 January 2023 📖 ~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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How to Tune AIX for Low-Latency Applications on IBM AIX 7.3 — step-by-step IBM AIX 7.3 tutorial on Progressive Robot

How to Tune AIX for Low-Latency Applications 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 tune aix for low-latency applications on IBM AIX 7.3 […]

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

Debian 11 — libevt — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 3 January 2023 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2018-8754 Upstream summary: The libevt_record_values_read_event() function in libevt_record_values.c in libevt before 2018-03-17 does not properly check for out-of-bounds values of user SID data size, strings size, or data […]

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