Linux

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

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

🟠 High   ⏱ 15–60 min  Last verified: 23 August 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2002-1225 CVE-2002-1226 CVE-2002-1235 CVE-2003-0138 CVE-2004-0371 CVE-2004-0434 CVE-2005-0469 CVE-2005-2040  +12 more Upstream summary: Multiple buffer overflows in Heimdal before 0.5, possibly in both the (1) kadmind and (2) kdc […]

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Debian 10 — krb5 — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 10

Debian 10 — krb5 — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 23 August 2021 Affected versions: Debian 10 (buster) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2020-28196 CVE-2021-36222 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & […]

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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

🟠 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

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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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)

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

AlmaLinux 8 — cppcheck — 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-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

🟢 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

🟢 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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