Common Problems

Amazon Linux 2 — golang-github-kr-pty — multiple vulnerabilities (16 CVEs) — patch and remediation guide

• April 24, 2023
• Linux
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🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2-2022-1864 Related CVEs: CVE-2022-1705 CVE-2022-1962 CVE-2022-1996 CVE-2022-24675 CVE-2022-27191 CVE-2022-27664 CVE-2022-28131 CVE-2022-28327  +8 more Upstream summary: 2023-05-11: CVE-2022-1996 has changed status to NOT AFFECTED for this package and has been removed […]

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Oracle Linux 9 – Common Problem 008 – Diagnosis and Fix

• April 23, 2023
• Linux
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🟠 High   ⏱ 5–30 min  Last verified: 23 April 2023 Affected versions: Oracle Linux 9 📖 ~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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Debian 9 – sshd Fails to Start After Config Change – Fast Validation Workflow

• April 23, 2023
• Linux
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🔴 Critical   ⏱ 5–30 min  Last verified: 23 April 2023 Affected versions: Debian 9 📖 ~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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IBM AIX 7.3 — CVE-2020-4365 — vulnerability — patch and remediation guide

• April 23, 2023
• Tutorials
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🟡 Medium   ⏱ 15–45 min  Last verified: 23 April 2023 Affected versions: IBM AIX 7.3 📖 ~4 min read  •  Source: NVD CVE-2020-4365, IBM Support Bulletin CVE: CVE-2020-4365 NVD summary: IBM WebSphere Application Server 8.5 is vulnerable to server-side request forgery. By sending a specially crafted request, a remote authenticated attacker could exploit this […]

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RHEL 7 sudo failures caused by PAM or sudoers syntax errors

• April 23, 2023
• Linux
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🟠 High   ⏱ 5–30 min  Last verified: 23 April 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 2016 — PowerShellGet install-module fails with repository policy is untrusted — Fix & Prevention

• April 23, 2023
• Tutorials
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🟡 Medium   ⏱ 5–30 min  Last verified: 23 April 2023 Affected versions: Windows Server 2016 📖 ~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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FreeBSD 13 — libqb — vulnerability — patch and remediation guide

• April 23, 2023
• BSD
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🟢 Low   ⏱ 5–15 min  Last verified: 23 April 2023 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: libqb — Buffer overflow Related CVEs: CVE-2023-39976 Upstream summary: [email protected] reports: log_blackbox.c in libqb before 2.0.8 allows a buffer overflow via long log messages because the header size is not […]

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AlmaLinux 9 — samba — multiple vulnerabilities (11 CVEs) — patch and remediation guide

• April 23, 2023
• Linux
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🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 9 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2023:2127 Related CVEs: CVE-2022-38023 CVE-2022-2127 CVE-2023-34966 CVE-2023-34967 CVE-2023-34968 CVE-2023-3961 CVE-2023-4091 CVE-2023-42669  +3 more Upstream summary: Samba is an open-source implementation of the Server Message Block (SMB) protocol and the related Common Internet […]

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Windows Server 2022 RRAS NAT Stops Translating Outbound Client Traffic – Fix & Prevention

• April 23, 2023
• Tutorials
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🟡 Medium   ⏱ 5–30 min  Last verified: 23 April 2023 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 — intel-mediasdk — multiple vulnerabilities (15 CVEs) — patch and remediation guide

• April 23, 2023
• Linux
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🟠 High   ⏱ 15–60 min  Last verified: 23 April 2023 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2022-27170 CVE-2022-34346 CVE-2022-34841 CVE-2022-35883 CVE-2022-36289 CVE-2023-22656 CVE-2023-45221 CVE-2023-47169  +7 more Upstream summary: Protection mechanism failure in the Intel(R) Media SDK software before version 22.2.2 may allow an authenticated […]

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