Common Problems

Common Problems 112451

Windows Server 2019 – Storage Replica initial sync never completes – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 5 March 2023 Affected versions: Windows Server 2019 📖 ~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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Ubuntu 22.04 — ruby-sanitize — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — ruby-sanitize — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 5 March 2023 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6748-1 Related CVEs: CVE-2023-23627 CVE-2023-36823 Upstream summary: It was discovered that Sanitize incorrectly handled noscript elements under certain circumstances. An attacker could possibly use this issue to execute a cross-site […]

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Common Problems 111711

Windows Server 2022 — SNI-based SSL binding conflicts between multiple HTTPS sites on IIS — Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 5 March 2023 Affected versions: Windows Server 2022 📖 ~2 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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Ubuntu 20.04 — linux-oem-5.14 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — linux-oem-5.14 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 5 March 2023 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5976-1 Related CVEs: CVE-2022-2196 CVE-2022-3061 CVE-2022-3628 CVE-2022-36280 CVE-2022-3646 CVE-2022-3649 CVE-2022-41850 CVE-2023-0394  +12 more Upstream summary: It was discovered that the Upper Level Protocol (ULP) subsystem in the Linux kernel did […]

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Oracle Linux 8 — edk2 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — edk2 — vulnerability — patch and remediation guide (ELSA-2024-3017)

🟠 High   ⏱ 15–60 min  Last verified: 5 March 2023 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2024-3017 Related CVEs: CVE-2022-36763 CVE-2022-36764 CVE-2022-36765 CVE-2023-45229 CVE-2023-45232 CVE-2023-45235 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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VMware ESXi 8.0 — vpxa — multiple ESXi vulnerabilities (2 CVEs) — VIB / vLCM patch and remediation guide — diagnosis and fix on VMware ESXi 8.0

VMware ESXi 8.0 — vpxa — multiple ESXi vulnerabilities (2 CVEs) — VIB / vLCM patch and remediation guide

🔴 Critical   ⏱ 30–120 min  Last verified: 25 May 2026 Affected versions: VMware ESXi 8.0 📖 ~4 min read  •  Source: VMware advisory VMSA-2023-0024 Related CVEs: CVE-2023-34048 CVE-2023-34056 Fixed image profile / build: ESXi80U2-22380479 Upstream summary: Out-of-bounds write in the DCERPC protocol implementation (CVE-2023-34048) and partial information disclosure (CVE-2023-34056) on vCenter and ESXi management […]

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

Oracle Linux 8 — curl — vulnerability — patch and remediation guide (ELSA-2022-6159)

🟡 Medium   ⏱ 10–30 min  Last verified: 5 March 2023 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-6159 Related CVEs: CVE-2022-32206 CVE-2022-32208 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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Alpine Linux edge — harfbuzz — vulnerability — patch and remediation guide — diagnosis and fix on Alpine Linux edge

Alpine Linux edge — harfbuzz — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 4.4.1-r0 📖 ~4 min read  •  Source: Alpine secdb entry — harfbuzz 4.4.1-r0 Related CVEs: CVE-2022-33068 Upstream summary: Alpine main repository for vedge ships harfbuzz 4.4.1-r0 which addresses CVE-2022-33068. Table of contents Symptom & Impact Environment […]

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Oracle Linux 9 — httpd and mod_http2 security, bug fix, and — enhancement update — new behaviour and fixes — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — httpd and mod_http2 security, bug fix, and — enhancement update — new behaviour and fixes (ELSA-2023-6403)

🟡 Medium   ⏱ 10–30 min  Last verified: 4 March 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-6403 Related CVEs: CVE-2023-27522 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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Common Problems 114481

SSHD Access Denied After Hardening Changes

🟡 Medium   ⏱ 5–30 min  Last verified: 4 March 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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