Logging Monitoring

Oracle Linux 8 — kernel security, bug fix, and — enhancement update — new behaviour and fixes — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — kernel security, bug fix, and — enhancement update — new behaviour and fixes (ELSA-2019-3517)

  • May 11, 2021
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 11 May 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2019-3517 Related CVEs: CVE-2019-3900 CVE-2019-10638 CVE-2019-14821 CVE-2019-11599 CVE-2019-11884 CVE-2019-7222 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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Common Problems 117967

Ubuntu 18.04 Sudo Stops Working for Admin Group Users

  • May 11, 2021
  • Linux
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🟡 Medium   ⏱ 5–30 min  Last verified: 11 May 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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AlmaLinux 8 — sat4j — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — sat4j — vulnerability — patch and remediation guide

  • May 11, 2021
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALBA-2020:5097 Upstream summary: Eclipse is an integrated development environment (IDE). The metadata for the eclipse:rhel8 module has been updated to remove the following unused profiles: c everything To check whether you have […]

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How to Use bosboot to Update Boot Device on IBM AIX 7.1 — step-by-step IBM AIX 7.1 tutorial on Progressive Robot

How to Use bosboot to Update Boot Device 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 use bosboot to update boot device on ibm aix […]

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FreeBSD 13 — dante — security advisory — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — dante — security advisory — patch and remediation guide

  • May 11, 2021
  • BSD
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🟢 Low   ⏱ 5–15 min  Last verified: 11 May 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: fd_set — bitmap index overflow in multiple applications Upstream summary: 3APA3A reports: If programmer fails to check socket number before using select() or fd_set macros, it's possible to overwrite memory […]

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Amazon Linux 2 — kernel-livepatch-4.14.193-149.317 — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — kernel-livepatch-4.14.193-149.317 — multiple vulnerabilities (2 CVEs) — patch and remediation guide

  • May 11, 2021
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2LIVEPATCH-2020-029 Related CVEs: CVE-2020-25211 CVE-2020-25284 Upstream summary: A flaw was found in the Linux kernel. A local attacker, able to inject conntrack netlink configuration, could overflow a local buffer causing […]

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FreeBSD 13 — xdeview — security advisory — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — xdeview — security advisory — patch and remediation guide

  • May 11, 2021
  • BSD
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🟢 Low   ⏱ 5–15 min  Last verified: 11 May 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: uudeview buffer overflows Upstream summary: The authors of UUDeview report repairing two buffer overflows in their software. Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick […]

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How to Configure OpenTelemetry Collector on Oracle Linux 8 — step-by-step Oracle Linux 8 tutorial on Progressive Robot

How to Configure OpenTelemetry Collector on Oracle Linux 8

Introduction This tutorial demonstrates how to Configure OpenTelemetry Collector on Oracle Linux 8 on Oracle Linux 8. It is written for administrators who want a repeatable, well-explained walkthrough that goes beyond a bare command list and explains each configuration choice. Every command is tested against a freshly registered Oracle Linux 8 system with the default […]

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

Ubuntu 16.04 — blueman — vulnerability — patch and remediation guide

  • May 11, 2021
  • Linux
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🟢 Low   ⏱ 5–15 min  Last verified: 11 May 2021 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4605-1 Related CVEs: CVE-2020-15238 Upstream summary: Vaisha Bernard discovered that blueman did not properly sanitize input on the d-bus interface to blueman-mechanism. A local attacker could possibly use this issue […]

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SLES 15 — python311-httpx — vulnerability — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — python311-httpx — vulnerability — patch and remediation guide

  • May 11, 2021
  • Linux
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🔴 Critical   ⏱ 15–90 min  Last verified: 11 May 2021 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE security advisory (see also SUSE bugzilla) Related CVEs: CVE-2021-41945 Upstream summary: Encode OSS httpx < 0.23.0 is affected by improper input validation in `httpx.URL`, `httpx.Client` and some functions using `httpx.URL.copy_with`. Table of contents […]

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