Operations

Debian 12 — x11vnc — vulnerability — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — x11vnc — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 21 July 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2020-29074 Upstream summary: scan.c in x11vnc 0.9.16 uses IPC_CREAT|0777 in shmget calls, which allows access by actors other than the current user. Table of contents Symptom & Impact […]

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Windows Server 2019 — KB5031217 — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2019

Windows Server 2019 — KB5031217 — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Windows Server 2019 📖 ~4 min read  •  Source: Microsoft KB5031217 • MSRC update-guide entry Related CVEs: CVE-2023-36796 CVE-2023-36793 CVE-2023-36792 CVE-2023-36794 CVE-2023-36788 Affected components: Microsoft .NET Framework 3.5 AND 4.7.2 on Windows Server 2019 Microsoft .NET Framework 3.5 AND 4.8 on Windows […]

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Ubuntu 20.04 — tinyproxy — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — tinyproxy — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 21 July 2023 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7190-1 Related CVEs: CVE-2023-49606 CVE-2022-40468 Upstream summary: It was discovered that Tinyproxy did not properly manage memory during the parsing of HTTP connection headers. An attacker could use this issue […]

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Common Problems 114625

auditd Overload Generates Excessive Logs And CPU Usage

🟡 Medium   ⏱ 5–30 min  Last verified: 21 July 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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NetBSD 9.4 — go111 — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — go111 — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: NetBSD 9.4 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Related CVEs: CVE-2019-9512 CVE-2019-9514 CVE-2019-9741 CVE-2019-14809 CVE-2019-6486 Upstream summary: pkgsrc audit-packages flagged go111<1.11.13 for vulnerability class 'remote-denial-of-service'. Reference: https://nvd.nist.gov/vuln/detail/CVE-2019-9512 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis […]

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Oracle Linux 8 — go-toolset:ol8 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — go-toolset:ol8 — vulnerability — patch and remediation guide (ELSA-2024-0887)

🟡 Medium   ⏱ 10–30 min  Last verified: 21 July 2023 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2024-0887 Related CVEs: CVE-2023-39326 CVE-2023-45285 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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NetBSD 9.4 — ghostscript-gpl — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — ghostscript-gpl — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: NetBSD 9.4 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Related CVEs: CVE-2017-6196 CVE-2016-10217 CVE-2017-8291 CVE-2016-7978 CVE-2016-7979 CVE-2018-16509 CVE-2018-16540 CVE-2018-16802  +12 more Upstream summary: pkgsrc audit-packages flagged ghostscript-gpl<9.06nb3 for vulnerability class 'arbitrary-code-execution'. Reference: http://www.ocert.org/advisories/ocert-2014-009.html Table of contents Symptom & Impact Environment […]

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How to Configure Remote Desktop Web Access on Windows Server 2022 — step-by-step Windows Server 2022 tutorial on Progressive Robot

How to Configure Remote Desktop Web Access on Windows Server 2022

Introduction Hyper-V checkpoints (previously called snapshots) allow you to capture the state of a virtual machine at a specific point in time and later revert to that state if needed. On Windows Server 2022, Hyper-V offers two checkpoint types — Standard and Production — each designed for different use cases. The PowerShell-based management tools for […]

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NetBSD 9.4 — webkit24-gtk — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — webkit24-gtk — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: NetBSD 9.4 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Related CVEs: CVE-2016-9643 CVE-2018-11646 Upstream summary: pkgsrc audit-packages flagged webkit24-gtk{,3}-[0-9]* for vulnerability class 'multiple-vulnerabilities'. Reference: http://webkitgtk.org/security/WSA-2015-0002.html Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step […]

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How to Set Up a Bond Network Interface on Oracle Linux 9 — step-by-step Oracle Linux 9 tutorial on Progressive Robot

How to Set Up a Bond Network Interface on Oracle Linux 9

Introduction How to Set Up a Bond Network Interface on Oracle Linux 9 on Oracle Linux 9 provides administrators with a robust, enterprise-ready workflow that integrates cleanly with systemd, SELinux, firewalld, and the modern AppStream module system. In this tutorial we will walk through every step required, from package installation to verification, so that the […]

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