Linux

Oracle Linux 10 — ELSA-2025-20478-0: zziplib — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 10

Oracle Linux 10 — ELSA-2025-20478-0: zziplib — vulnerability — patch and remediation guide (ELSA-2025-20478-0)

🟡 Medium   ⏱ 10–30 min  Last verified: 15 July 2025 Affected versions: Oracle Linux 10 📖 ~4 min read  •  Source: ELSA advisory ELSA-2025-20478-0 Related CVEs: CVE-2018-17828 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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openSUSE Tumbleweed — emacs — multiple vulnerabilities (17 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — emacs — multiple vulnerabilities (17 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory RHSA-2025:1915 (see also SUSE bugzilla) Related CVEs: CVE-2025-1244 CVE-2024-53920 CVE-2023-27985 CVE-2023-27986 CVE-2022-48337 CVE-2022-48338 CVE-2022-48339 CVE-2022-45939  +9 more Upstream summary: A command injection flaw was found in the text editor Emacs. It could […]

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Oracle Linux 8 — resource-agents — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — resource-agents — vulnerability — patch and remediation guide (ELSA-2024-6311)

🟡 Medium   ⏱ 10–30 min  Last verified: 15 July 2025 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2024-6311 Related CVEs: CVE-2024-37891 CVE-2024-6345 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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CentOS Stream 9 — gvisor-tap-vsock — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on CentOS Stream 9

CentOS Stream 9 — gvisor-tap-vsock — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 15 July 2025 Affected versions: CentOS Stream 9 📖 ~4 min read  •  Source: AlmaLinux/RHEL advisory ALSA-2025:3833 Related CVEs: CVE-2025-22869 CVE-2024-1394 CVE-2025-22871 CVE-2024-24783 CVE-2023-45290 Upstream summary: A replacement for libslirp and VPNKit, written in pure Go. It is based on the network stack of gVisor and is […]

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Common Problems 127109

CentOS Stream 10 – Common Problem 240 – Diagnosis and Fix

🟠 High   ⏱ 5–30 min  Last verified: 14 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 Secure PostgreSQL on CentOS Stream 10 — step-by-step CentOS Stream 10 tutorial on Progressive Robot

How to Secure PostgreSQL on CentOS Stream 10

Introduction This tutorial demonstrates how to Secure PostgreSQL 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 116449

Ubuntu 24.04 LTS SSH Password Authentication Suddenly Disabled

🟡 Medium   ⏱ 5–30 min  Last verified: 14 July 2025 📖 ~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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Debian 11 — libmicrohttpd — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — libmicrohttpd — multiple vulnerabilities (6 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 14 July 2025 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2013-7038 CVE-2013-7039 CVE-2021-3466 CVE-2023-27371 CVE-2025-59777 CVE-2025-62689 Upstream summary: The MHD_http_unescape function in libmicrohttpd before 0.9.32 might allow remote attackers to obtain sensitive information or cause a denial of […]

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Ubuntu 22.04 — micropython — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — micropython — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 14 July 2025 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7472-1 Related CVEs: CVE-2021-42553 CVE-2024-8946 CVE-2024-8947 Upstream summary: Junwha Hong and Wonil Jang discovered that Micropython incorrectly handled the length of a buffer in mp_vfs_umount, leading to a heap-based buffer […]

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