2022 - Page 18 of 842

Common Problems 111866

Windows Server 2022 – Defender for Endpoint sensor unhealthy after proxy change – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 19 May 2026 Affected versions: Windows Server 2022 📖 ~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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Debian 11 — libmodule-metadata-perl — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — libmodule-metadata-perl — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2013-1437 Upstream summary: Eval injection vulnerability in the Module-Metadata module before 1.000015 for Perl allows remote attackers to execute arbitrary Perl code via the $Version value. Table of […]

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Ubuntu 14.04 — snakeyaml — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 14.04

Ubuntu 14.04 — snakeyaml — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Ubuntu 14.04 (trusty) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7368-1 Related CVEs: CVE-2017-18640 CVE-2022-25857 CVE-2022-38749 CVE-2022-38750 CVE-2022-38751 Upstream summary: It was discovered that SnakeYAML incorrectly handled recursive entity references. An attacker could possibly use this issue to cause SnakeYAML […]

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How to Configure Caddy Web Server on SLES 15 — step-by-step SUSE Linux Enterprise 15 tutorial on Progressive Robot

How to Configure Caddy Web Server on SLES 15

Introduction This tutorial covers How to Configure Caddy Web Server on SLES 15 on SLES 15. SLES 15 (SUSE Linux Enterprise Server 16) is SUSE’s enterprise-grade Linux distribution. It uses the zypper package manager, AppArmor for mandatory access control, and systemctl for service management. Prerequisites Ensure your SLES 15 system is up to date: zypper […]

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

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

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5323-1 Related CVEs: CVE-2022-26495 CVE-2022-26496 Upstream summary: It was discovered that NBD incorrectly handled name length fields. A remote attacker could use this issue to cause NBD to crash, resulting […]

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Ubuntu 18.04 — exo — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — exo — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6008-1 Related CVEs: CVE-2022-32278 Upstream summary: It was discovered that Exo did not properly sanitized desktop files. A remote attacker could possibly use this issue to to cause a crash […]

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Oracle Linux 8 — Unbreakable Enterprise kernel-container — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — Unbreakable Enterprise kernel-container — vulnerability — patch and remediation guide (ELSA-2022-9426)

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-9426 Related CVEs: CVE-2022-21499 CVE-2022-1786 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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