Common Problems

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

Debian 11 — rust-pleaser — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 24 March 2023 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2021-31153 CVE-2021-31154 CVE-2021-31155 CVE-2023-46277 Upstream summary: please before 0.4 allows a local unprivileged attacker to gain knowledge about the existence of files or directories in privileged locations via […]

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Common Problems 115426

RHEL 7 SELinux Denies httpd Write Access to Web Content

🟠 High   ⏱ 5–30 min  Last verified: 24 March 2023 Affected versions: RHEL 7 📖 ~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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Windows Server 2022 — KB5023755 — multiple vulnerabilities (16 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2022

Windows Server 2022 — KB5023755 — multiple vulnerabilities (16 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Windows Server 2022 📖 ~4 min read  •  Source: Microsoft KB5023755 • MSRC update-guide entry Related CVEs: CVE-2023-21708 CVE-2023-23415 CVE-2023-23385 CVE-2023-23394 CVE-2023-23405 CVE-2023-23409 CVE-2023-23410 CVE-2023-23420  +8 more Affected components: Windows Server 2022 Table of contents Symptom & Impact Environment & Reproduction Root […]

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Ubuntu 20.04 — gss-ntlmssp — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — gss-ntlmssp — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 24 March 2023 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7588-1 Related CVEs: CVE-2023-25567 CVE-2023-25565 CVE-2023-25564 CVE-2023-25563 Upstream summary: Phil Turnbull discovered that GSS NTLMSSP may perform out-of-bounds reads when decoding NTLM fields and target information. An attacker could possibly […]

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Ubuntu 22.04 — ruby-sinatra — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

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

🟢 Low   ⏱ 5–15 min  Last verified: 24 March 2023 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7664-1 Related CVEs: CVE-2022-29970 CVE-2022-45442 Upstream summary: It was discovered that Sinatra incorrectly handled serving static files. An attacker could possibly use this issue to perform local file inclusion, obtaining […]

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Common Problems 111761

Windows Server 2022 — SQL Server TCP/IP dynamic port changing after service restart breaking connections — Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 24 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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CentOS Stream 9 — squashfs-tools — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on CentOS Stream 9

CentOS Stream 9 — squashfs-tools — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 24 March 2023 Affected versions: CentOS Stream 9 📖 ~4 min read  •  Source: AlmaLinux/RHEL advisory ALSA-2024:2396 Related CVEs: CVE-2021-40153 CVE-2021-41072 Upstream summary: SquashFS is a highly compressed read-only file system for Linux. These packages contain the utilities for manipulating squashfs file systems. Security Fix(es): * squashfs-tools: […]

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Oracle Linux 9 — samba — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — samba — vulnerability — patch and remediation guide (ELSA-2023-2127)

🟠 High   ⏱ 15–60 min  Last verified: 24 March 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-2127 Related CVEs: CVE-2022-38023 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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Windows Server 2019 — KB5030209 — security update — patch and remediation guide — diagnosis and fix on Windows Server 2019

Windows Server 2019 — KB5030209 — security update — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Windows Server 2019 📖 ~4 min read  •  Source: Microsoft KB5030209 • MSRC update-guide entry Related CVEs: CVE-2023-36805 Affected components: Windows Server 2019 (Server Core installation) Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis […]

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Oracle Linux 8 — open-vm-tools — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — open-vm-tools — vulnerability — patch and remediation guide (ELSA-2023-5312)

🟠 High   ⏱ 15–60 min  Last verified: 24 March 2023 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-5312 Related CVEs: CVE-2023-20900 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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