Common Problems

Debian 11 — libarchive — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — libarchive — multiple vulnerabilities (20 CVEs) — patch and remediation guide

  • August 6, 2022
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 6 August 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2006-5680 CVE-2007-3641 CVE-2007-3644 CVE-2007-3645 CVE-2010-4666 CVE-2011-1777 CVE-2011-1778 CVE-2011-1779  +12 more Upstream summary: The libarchive library in FreeBSD 6-STABLE after 2006-09-05 and before 2006-11-08 allows context-dependent attackers to cause […]

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Common Problems 116987

Ubuntu 22.04 UFW Rules Break Docker Container Connectivity

  • August 6, 2022
  • Linux
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🟡 Medium   ⏱ 5–30 min  Last verified: 6 August 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 & Cross-Refs References & Further […]

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Oracle Linux 8 — http-parser — security and stability fixes — required update — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — http-parser — security and stability fixes — required update (ELSA-2019-3497)

  • August 5, 2022
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 5 August 2022 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2019-3497 Related CVEs: CVE-2018-12121 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 120558

Debian 11 – cron jobs stop running due to anacron or timer overlap

  • August 5, 2022
  • Linux
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🟡 Medium   ⏱ 5–30 min  Last verified: 5 August 2022 Affected versions: Debian 11 📖 ~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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AlmaLinux 8 — virt-p2v — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — virt-p2v — vulnerability — patch and remediation guide

  • August 5, 2022
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALEA-2020:1709 Upstream summary: Virt-p2v is a tool for conversion of a physical server to a virtual guest. This enhancement update adds the virt-p2v package to AlmaLinux (BZ#1704180) All users who require virt-p2v […]

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IBM AIX 7.2 — CVE-2022-42439 — vulnerability — patch and remediation guide — diagnosis and fix on IBM AIX 7.2

IBM AIX 7.2 — CVE-2022-42439 — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 15–45 min  Last verified: 5 August 2022 Affected versions: IBM AIX 7.2 📖 ~4 min read  •  Source: NVD CVE-2022-42439, IBM Support Bulletin CVE: CVE-2022-42439 NVD summary: IBM App Connect Enterprise 11.0.0.17 through 11.0.0.19 and 12.0.4.0 and 12.0.5.0 contains an unspecified vulnerability in the Discovery Connector nodes which may cause a […]

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Common Problems 113107

Windows Server 2016 — WindowsUpdate.log conversion fails because ETW decoder cannot find symbols — Fix & Prevention

🟢 Low   ⏱ 5–30 min  Last verified: 5 August 2022 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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Common Problems 112395

Windows Server 2019 — AD user login fails with bad username/password despite correct credentials — Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 5 August 2022 Affected versions: Windows Server 2019 📖 ~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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IBM AIX 7.3 — CVE-2022-40753 — xss — patch and remediation guide — diagnosis and fix on IBM AIX 7.3

IBM AIX 7.3 — CVE-2022-40753 — xss — patch and remediation guide

🟡 Medium   ⏱ 15–45 min  Last verified: 5 August 2022 Affected versions: IBM AIX 7.3 📖 ~4 min read  •  Source: NVD CVE-2022-40753, IBM Support Bulletin CVE: CVE-2022-40753 NVD summary: IBM InfoSphere Information Server 11.7 is vulnerable to cross-site scripting. This vulnerability allows users to embed arbitrary JavaScript code in the Web UI thus […]

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IBM AIX 7.2 — CVE-2022-43875 — denial of service — patch and remediation guide — diagnosis and fix on IBM AIX 7.2

IBM AIX 7.2 — CVE-2022-43875 — denial of service — patch and remediation guide

🟡 Medium   ⏱ 15–45 min  Last verified: 5 August 2022 Affected versions: IBM AIX 7.2 📖 ~4 min read  •  Source: NVD CVE-2022-43875, IBM Support Bulletin CVE: CVE-2022-43875 NVD summary: IBM Financial Transaction Manager for SWIFT Services for Multiplatforms 3.2.4 could allow an authenticated user to lock additional RM authorizations, resulting in a denial […]

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AIX AlmaLinux Alpine Linux authentication authorization Backup Recovery Boot Startup Cloud Integration Common Problems Cpu Memory Database Debian Debian 11 Debian 12 Bookworm Debian 13 Trixie DNS Firewall Fix Prevention FreeBSD FreeBSD 12 FreeBSD 13 FreeBSD 14 FreeBSD 15 Kernel Drivers Logging Monitoring Lvm Raid NetBSD Networking openSUSE Operations Oracle Linux Oracle Linux 8 Oracle Linux 9 Package Management Performance Proxy Security Hardening SLES Storage Disk Systemd Services Tls Ssl Troubleshooting ubuntu VPN windows server

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