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SLES 15 — hdf5 — multiple vulnerabilities (12 CVEs) — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — hdf5 — multiple vulnerabilities (12 CVEs) — patch and remediation guide

  • July 13, 2022
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 13 July 2022 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2023:0691-1 (see also SUSE bugzilla) Related CVEs: CVE-2021-37501 CVE-2018-13867 CVE-2018-17439 CVE-2021-45830 CVE-2021-45833 CVE-2021-46242 CVE-2018-11205 CVE-2018-14031  +4 more Upstream summary: Buffer Overflow vulnerability in HDFGroup hdf5-h5dump 1.12.0 through 1.13.0 allows attackers to cause […]

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

Oracle Linux 8 — thunderbird — vulnerability — patch and remediation guide (ELSA-2022-0535)

  • July 13, 2022
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 13 July 2022 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-0535 Related CVEs: CVE-2022-22756 CVE-2022-22760 CVE-2022-22763 CVE-2022-22754 CVE-2022-22761 CVE-2022-22764 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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How to Configure HashiCorp Vault on Debian 11 — step-by-step Debian 11 tutorial on Progressive Robot

How to Configure HashiCorp Vault on Debian 11

  • July 13, 2022
  • Linux
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Introduction This guide explains how to Configure HashiCorp Vault on Debian 11 on Debian 11 Bullseye. Debian Bullseye uses systemd for service management, nftables as the underlying packet filter (with ufw or iptables front-ends still available), and AppArmor for mandatory access control. Every command is designed for a minimal Debian 11 install with the standard […]

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Common Problems 116961

Ubuntu 22.04 LTS – Cloud-init overwrites network config unexpectedly – Fix & Prevention

  • July 13, 2022
  • Linux
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🟡 Medium   ⏱ 5–30 min  Last verified: 13 July 2022 Affected versions: Ubuntu 22.04 LTS 📖 ~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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Oracle Linux 8 — babel — security and stability fixes — required update — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — babel — security and stability fixes — required update (ELSA-2021-4201)

  • July 12, 2022
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 12 July 2022 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2021-4201 Related CVEs: CVE-2021-42771 CVE-2021-20095 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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Common Problems 120642

Debian 11 – Apache2 Fails with Address Already in Use – Port Conflict Resolution

  • July 12, 2022
  • Linux
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🟠 High   ⏱ 5–30 min  Last verified: 12 July 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 — volume_key — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — volume_key — vulnerability — patch and remediation guide

  • July 12, 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 ALBA-2019:3500 Upstream summary: For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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IBM AIX 7.1 — CVE-2021-29841 — xss — patch and remediation guide — diagnosis and fix on IBM AIX 7.1

IBM AIX 7.1 — CVE-2021-29841 — xss — patch and remediation guide

🟡 Medium   ⏱ 15–45 min  Last verified: 12 July 2022 Affected versions: IBM AIX 7.1 📖 ~4 min read  •  Source: NVD CVE-2021-29841, IBM Support Bulletin CVE: CVE-2021-29841 NVD summary: IBM Financial Transaction Manager 3.2.4 is vulnerable to cross-site scripting. This vulnerability allows users to embed arbitrary JavaScript code in the Web UI thus […]

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How to Configure Audit Subsystem on IBM AIX 7.3 — step-by-step IBM AIX 7.3 tutorial on Progressive Robot

How to Configure Audit Subsystem on IBM AIX 7.3

  • July 12, 2022
  • IBM AIX
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Introduction IBM AIX 7.3 is the latest release of IBM’s enterprise-grade UNIX operating system, running on IBM Power Systems hardware. Known for its reliability, security, and performance in mission-critical environments, AIX 7.3 introduces enhanced virtualization, security hardening, and cloud integration features. This guide covers how to configure audit subsystem on IBM AIX 7.3 with practical […]

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Common Problems 115476

RHEL 7 firewalld Rich Rule Order Conflict Causes Access Denials

  • July 12, 2022
  • Linux
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🟡 Medium   ⏱ 5–30 min  Last verified: 12 July 2022 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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