Linux

How to Configure a Static IP Address with NetworkManager on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Configure a Static IP Address with NetworkManager on RHEL 8

Assigning a static IP address ensures your RHEL 8 server is always reachable at a predictable address — essential for services like DNS, mail, or web hosting. On RHEL 8, NetworkManager is the default network management service and the preferred tool for making persistent network changes. Using nmcli from the command line lets you configure […]

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

Debian 11 — elvish — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 27 October 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2021-41088 Upstream summary: Elvish is a programming language and interactive shell, combined into one package. In versions prior to 0.14.0 Elvish's web UI backend (started by `elvish -web`) […]

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AlmaLinux 8 — gcc-toolset-9 — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — gcc-toolset-9 — 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-2020:1666 Upstream summary: GCC Toolset is a compiler toolset that provides recent versions of development tools. GCC Toolset is an Application Stream packaged as a Software Collection. For instructions on usage, see […]

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Debian 11 — ruby-apollo-upload-server — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — ruby-apollo-upload-server — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 27 October 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2021-39880 Upstream summary: A Denial Of Service vulnerability in the apollo_upload_server Ruby gem in GitLab CE/EE all versions starting from 11.9 before 14.0.9, all versions starting from 14.1 […]

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Oracle Linux 8 — dnsmasq — security and stability fixes — required update — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — dnsmasq — security and stability fixes — required update (ELSA-2023-7046)

🟡 Medium   ⏱ 10–30 min  Last verified: 27 October 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-7046 Related CVEs: CVE-2023-28450 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 10 — gst-plugins-base1.0 — vulnerability — patch and remediation guide — diagnosis and fix on Debian 10

Debian 10 — gst-plugins-base1.0 — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 27 October 2021 Affected versions: Debian 10 (buster) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2021-3522 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 — pads — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — pads — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 27 October 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2004-2269 Upstream summary: Stack-based buffer overflow in pads.c in Passive Asset Detection System (Pads) might allow local users to execute arbitrary code via a long report file name […]

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Debian 11 — python-pykmip — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — python-pykmip — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 27 October 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2018-1000872 Upstream summary: OpenKMIP PyKMIP version All versions before 0.8.0 contains a CWE 399: Resource Management Errors (similar issue to CVE-2015-5262) vulnerability in PyKMIP server that can result […]

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Debian 11 — node-fresh — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — node-fresh — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 27 October 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2017-16119 Upstream summary: Fresh is a module used by the Express.js framework for HTTP response freshness testing. It is vulnerable to a regular expression denial of service when […]

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Debian 11 — vcftools — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — vcftools — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 27 October 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2018-11099 CVE-2018-11129 CVE-2018-11130 CVE-2019-1010127 Upstream summary: The header::add_INFO_descriptor function in header.cpp in VCFtools 0.1.15 allows remote attackers to cause information disclosure (heap-based buffer over-read) via a crafted vcf […]

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