2023 - Page 463 of 885

Ubuntu 20.04 — linux-gke — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — linux-gke — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 3 July 2023 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6312-1 Related CVEs: CVE-2020-36691 CVE-2022-0168 CVE-2022-1184 CVE-2022-27672 CVE-2022-4269 CVE-2023-0590 CVE-2023-1611 CVE-2023-1855  +12 more Upstream summary: It was discovered that the netlink implementation in the Linux kernel did not properly validate […]

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Windows Server 2019 — KB5027282 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2019

Windows Server 2019 — KB5027282 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Windows Server 2019 📖 ~4 min read  •  Source: Microsoft KB5027282 • MSRC update-guide entry Related CVEs: CVE-2023-29363 CVE-2023-32014 CVE-2023-32015 CVE-2023-29346 CVE-2023-29351 CVE-2023-29355 CVE-2023-29358 CVE-2023-29359  +12 more Affected components: Windows Server 2019 (Server Core installation) Table of contents Symptom & Impact Environment […]

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Ubuntu 22.04 — fish — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — fish — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 3 July 2023 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5367-1 Related CVEs: CVE-2022-20001 Upstream summary: Justin Steven discovered that fish was not properly filtering local git configuration directives when running background git commands. A remote unauthenticated attacker could possibly […]

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NetBSD 9.4 — lynx — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — lynx — multiple vulnerabilities (3 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-2006-7234 CVE-2017-1000211 CVE-2021-38165 Upstream summary: pkgsrc audit-packages flagged lynx<2.8.5.3 for vulnerability class 'remote-users-shell'. Reference: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2005-3120 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage […]

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Oracle Linux 8 — systemd — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — systemd — vulnerability — patch and remediation guide (ELSA-2022-6206)

🟠 High   ⏱ 15–60 min  Last verified: 3 July 2023 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-6206 Related CVEs: CVE-2022-2526 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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Alpine Linux 3.18 — libpng — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux 3.18

Alpine Linux 3.18 — libpng — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.18 / fixed in 1.6.37-r0 📖 ~4 min read  •  Source: Alpine secdb entry — libpng 1.6.37-r0 Related CVEs: CVE-2019-7317 CVE-2018-14048 CVE-2018-14550 Upstream summary: Alpine main repository for vv3.18 ships libpng 1.6.37-r0 which addresses CVE-2019-7317. Table of contents Symptom & […]

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NetBSD 9.4 — fehqlibs — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — fehqlibs — vulnerability — 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-2005-1513 Upstream summary: pkgsrc audit-packages flagged fehqlibs<0.9.15 for vulnerability class 'remote-code-execution'. Reference: https://nvd.nist.gov/vuln/detail/CVE-2005-1513 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis […]

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Common Problems 120075

Debian 12 Sudo Access Broken by Policy Misconfiguration

🟠 High   ⏱ 5–30 min  Last verified: 3 July 2023 Affected versions: Debian 12 📖 ~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 & […]

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How to Install Zabbix Agent on Windows Server 2022 — step-by-step Windows Server 2022 tutorial on Progressive Robot

How to Install Zabbix Agent on Windows Server 2022

Introduction to Zabbix Agent 2 on Windows Server 2022 Zabbix is an enterprise-grade open-source monitoring platform that supports agentless monitoring via SNMP and IPMI as well as full agent-based monitoring. For Windows Server 2022, the recommended approach is Zabbix Agent 2, the rewritten Go-based agent that replaced the legacy C agent. Zabbix Agent 2 provides […]

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How to Configure Kubernetes RBAC on RHEL 9 — step-by-step RHEL 9 tutorial on Progressive Robot

How to Configure Kubernetes RBAC on RHEL 9

Kubernetes Role-Based Access Control (RBAC) is the mechanism for controlling which users and service accounts can perform which actions on which resources within a Kubernetes cluster. Without RBAC configuration, all authenticated users (and service accounts in pods) have full admin access — a significant security risk in multi-team environments. RBAC uses four resource types: Role […]

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