Logging Monitoring

Gentoo Linux — app-emulation/virtualbox-guest-additions — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Gentoo Linux

Gentoo Linux — app-emulation/virtualbox-guest-additions — multiple vulnerabilities (20 CVEs) — patch and remediation guide

  • August 23, 2021
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read  •  Source: Gentoo GLSA GLSA-202208-36 Related CVEs: CVE-2021-2145 CVE-2021-2250 CVE-2021-2264 CVE-2021-2266 CVE-2021-2279 CVE-2021-2280 CVE-2021-2281 CVE-2021-2282  +12 more Upstream summary: Multiple vulnerabilities have been discovered in VirtualBox. Please review the CVE identifiers referenced below for details. Table […]

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How to Configure Prometheus Node Exporter on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Configure Prometheus Node Exporter on RHEL 8

  • August 23, 2021
  • Linux
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Prometheus Node Exporter is a lightweight agent that exposes dozens of hardware and operating-system metrics — CPU usage, memory pressure, disk I/O, network throughput, and more — via a plain HTTP endpoint that Prometheus can scrape. Installing it on every RHEL 8 host in your fleet gives you a uniform, low-overhead telemetry layer that feeds […]

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FreeBSD 13 — websvn — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — websvn — multiple vulnerabilities (5 CVEs) — patch and remediation guide

  • August 22, 2021
  • BSD
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🟡 Medium   ⏱ 10–30 min  Last verified: 22 August 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: websvn — reflected cross-site scripting Related CVEs: CVE-2008-5918 CVE-2008-5919 CVE-2009-0240 CVE-2013-6892 CVE-2016-2511 Upstream summary: Sebastien Delafond reports: Jakub Palaczynski discovered that websvn, a web viewer for Subversion repositories, does not […]

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

Oracle Linux 8 — Image Builder security, bug fix, and — enhancement update — new behaviour and fixes (ELSA-2022-7548)

  • August 22, 2021
  • Linux
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🟢 Low   ⏱ 5–15 min  Last verified: 22 August 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-7548 Related CVEs: CVE-2022-32189 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 13 — kdebase-workspace — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — kdebase-workspace — vulnerability — patch and remediation guide

  • August 22, 2021
  • BSD
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🟢 Low   ⏱ 5–15 min  Last verified: 22 August 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: KDM — local privilege escalation vulnerability Related CVEs: CVE-2010-0436 Upstream summary: KDE Security Advisory reports: KDM contains a race condition that allows local attackers to make arbitrary files on the […]

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FreeBSD 13 — py36-yaml — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — py36-yaml — multiple vulnerabilities (3 CVEs) — patch and remediation guide

  • August 22, 2021
  • BSD
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🟡 Medium   ⏱ 10–30 min  Last verified: 22 August 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: PyYAML — arbitrary code execution Related CVEs: CVE-2017-18342 CVE-2020-14343 CVE-2020-1747 Upstream summary: A vulnerability was discovered in the PyYAML library in versions before 5.4, where it is susceptible to arbitrary […]

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How to Install and Configure ISC DHCP Server on FreeBSD 13 — step-by-step FreeBSD 13 tutorial on Progressive Robot

How to Install and Configure ISC DHCP Server on FreeBSD 13

  • August 22, 2021
  • FreeBSD
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Introduction This guide explains how to Install and Configure ISC DHCP Server on FreeBSD 13 on FreeBSD 13. FreeBSD uses the pkg(8) binary package manager, rc.conf(5) for service startup configuration, and pf(4) as its primary packet filter. There is no SELinux or AppArmor — instead, FreeBSD provides the MAC (Mandatory Access Control) framework and Capsicum […]

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AlmaLinux 8 — cppcheck — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — cppcheck — vulnerability — patch and remediation guide

  • August 22, 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-2021:4523 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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Debian 10 — gst-plugins-bad1.0 — vulnerability — patch and remediation guide — diagnosis and fix on Debian 10

Debian 10 — gst-plugins-bad1.0 — vulnerability — patch and remediation guide

  • August 22, 2021
  • Linux
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🟢 Low   ⏱ 5–15 min  Last verified: 22 August 2021 Affected versions: Debian 10 (buster) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2021-3185 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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Debian 11 — prboom-plus — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — prboom-plus — vulnerability — patch and remediation guide

  • August 22, 2021
  • Linux
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🟢 Low   ⏱ 5–15 min  Last verified: 22 August 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2019-20797 Upstream summary: An issue was discovered in e6y prboom-plus 2.5.1.5. There is a buffer overflow in client and server code responsible for handling received UDP packets, as […]

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