Linux

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

Oracle Linux 8 — expat — vulnerability — patch and remediation guide (ELSA-2025-21776)

🟠 High   ⏱ 15–60 min  Last verified: 24 July 2025 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2025-21776 Related CVEs: CVE-2025-59375 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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AlmaLinux 8 — perl-Unicode-Collate — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — perl-Unicode-Collate — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2026:8096 Related CVEs: CVE-2025-40909 CVE-2023-47038 Upstream summary: Perl is a high-level programming language that is commonly used for system administration utilities and web programming. Security Fix(es): * perl: Perl threads have a […]

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Alpine Linux edge — yt-dlp — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux edge

Alpine Linux edge — yt-dlp — multiple vulnerabilities (6 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 2024.07.01-r0 📖 ~4 min read  •  Source: Alpine secdb entry — yt-dlp 2024.07.01-r0 Related CVEs: CVE-2024-38519 CVE-2023-46121 CVE-2023-35934 CVE-2023-40581 CVE-2024-22423 CVE-2025-54072 Upstream summary: Alpine community repository for vedge ships yt-dlp 2024.07.01-r0 which addresses CVE-2024-38519. Table of […]

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SLES 15 — grub2 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — grub2 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 24 July 2025 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory ESSA-2025:2835 (see also SUSE bugzilla) Related CVEs: CVE-2024-56737 CVE-2025-0624 CVE-2023-4692 CVE-2021-3695 CVE-2021-3697 CVE-2022-28733 CVE-2022-28734 CVE-2022-28736  +12 more Upstream summary: GNU GRUB (aka GRUB2) through 2.12 has a heap-based buffer overflow in fs/hfs.c […]

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openSUSE Leap 15.6 — procps — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Leap 15.6

openSUSE Leap 15.6 — procps — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: openSUSE Leap 15.6 📖 ~4 min read  •  Source: SUSE advisory SUSE-CU-2023:2797-1 (see also SUSE bugzilla) Related CVEs: CVE-2023-4016 Upstream summary: Under some circumstances, this weakness allows a user who has access to run the “ps” utility on a machine, the ability […]

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openSUSE Leap 15.6 — python311-Markdown — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Leap 15.6

openSUSE Leap 15.6 — python311-Markdown — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Leap 15.6 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2026:0846-1 (see also SUSE bugzilla) Related CVEs: CVE-2025-69534 Upstream summary: Python-Markdown version 3.8 contain a vulnerability where malformed HTML-like sequences can cause html.parser.HTMLParser to raise an unhandled AssertionError during Markdown parsing. […]

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Common Problems 127161

CentOS Stream 10 – Common Problem 220 – Diagnosis and Fix

🟠 High   ⏱ 5–30 min  Last verified: 23 July 2025 Affected versions: CentOS Stream 10 📖 ~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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How to Install Packer on CentOS Stream 10 — step-by-step CentOS Stream 10 tutorial on Progressive Robot

How to Install Packer on CentOS Stream 10

Introduction This tutorial demonstrates how to Install Packer on CentOS Stream 10 on CentOS Stream 10. It is written for administrators who want a repeatable, well-explained walkthrough that goes beyond a bare command list and explains each configuration choice. Every command is tested against a freshly registered CentOS Stream 10 system with the default AppStream […]

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Common Problems 124163

Oracle Linux 10 – multipath Reports Duplicate WWID and Path Flapping – Storage Path Normalization

🟠 High   ⏱ 5–30 min  Last verified: 23 July 2025 Affected versions: Oracle Linux 10 📖 ~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 124142

Oracle Linux 10 DNF Offline Upgrade Leaves Inconsistent Package State

🟠 High   ⏱ 5–30 min  Last verified: 23 July 2025 Affected versions: Oracle Linux 10 📖 ~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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