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AlmaLinux 10 — sssd — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 10

AlmaLinux 10 — sssd — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 10 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2025:21020 Related CVEs: CVE-2025-11561 Upstream summary: The System Security Services Daemon (SSSD) service provides a set of daemons to manage access to remote directories and authentication mechanisms. It also provides the Name […]

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Common Problems 114118

RHEL 10 Crypto Policy Breaks Legacy TLS Client Connections

🟡 Medium   ⏱ 5–30 min  Last verified: 6 January 2026 Affected versions: RHEL 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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Debian 13 — pam-mysql — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — pam-mysql — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 6 January 2026 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2005-4713 CVE-2006-0056 Upstream summary: Unspecified vulnerability in the SQL logging facility in PAM-MySQL 0.6.x before 0.6.2 and 0.7.x before 0.7pre3 allows remote attackers to cause a denial of […]

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Common Problems 114039

RHEL 10 – static routes disappear because nm-cloud-setup overwrites networking – Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 5 January 2026 Affected versions: RHEL 10.0 RHEL 10.1 📖 ~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 […]

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Common Problems 114128

RHEL 10 SSSD Offline Authentication Persists After Network Recovery

🟠 High   ⏱ 5–30 min  Last verified: 4 January 2026 Affected versions: RHEL 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 121993

SSH Login Denied After Hardening Changes

🟡 Medium   ⏱ 5–30 min  Last verified: 4 January 2026 Affected versions: FreeBSD 15 📖 ~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 Scan Container Images with Trivy on RHEL 10 — step-by-step RHEL 10 tutorial on Progressive Robot

How to Scan Container Images with Trivy on RHEL 10

Introduction This tutorial demonstrates how to Scan Container Images with Trivy on RHEL 10 on RHEL 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 RHEL 10 system with the default AppStream […]

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Common Problems 124034

Oracle Linux 10 – Podman container cannot bind privileged port under SELinux – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 3 January 2026 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 113898

RHEL 10 DNF Metadata Download Fails with Mirror Timeout

🟠 High   ⏱ 5–30 min  Last verified: 3 January 2026 Affected versions: RHEL 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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Ubuntu 24.04 — krb5 — multiple vulnerabilities (8 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 24.04

Ubuntu 24.04 — krb5 — multiple vulnerabilities (8 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 2 January 2026 Affected versions: Ubuntu 24.04 (noble) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7542-1 Related CVEs: CVE-2025-3576 CVE-2024-26458 CVE-2024-26461 CVE-2024-26462 CVE-2025-24528 CVE-2024-3596 CVE-2024-37370 CVE-2024-37371 Upstream summary: It was discovered that Kerberos allowed the usage of weak cryptographic standards. An attacker could possibly use […]

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