DNS

Common Problems 113906

RHEL 10 Module Stream Dependency Conflicts in DNF

🟠 High   ⏱ 5–30 min  Last verified: 28 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 114066

RHEL 10 LVM Thin Pool Reaches 100 Percent Data Usage

🔴 Critical   ⏱ 5–30 min  Last verified: 27 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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FreeBSD 15 — dnsmasq-devel — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 15

FreeBSD 15 — dnsmasq-devel — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 27 January 2026 Affected versions: FreeBSD 15 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: dnsmasq — multiple vulnerabilities Related CVEs: CVE-2015-3294 CVE-2015-8899 CVE-2017-13704 CVE-2017-14491 CVE-2017-14492 CVE-2017-14493 CVE-2017-14494 CVE-2017-14495  +12 more Upstream summary: Simon Kelley reports: Today, 11th May 2026 CERT is releasing a set […]

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Red Hat Enterprise Linux 10 — dnsmasq — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on Red Hat Enterprise Linux 10

Red Hat Enterprise Linux 10 — dnsmasq — multiple vulnerabilities (6 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Red Hat Enterprise Linux 10 📖 ~4 min read  •  Source: Red Hat advisory RHSA RHSA-2026:19158 Related CVEs: CVE-2026-2291 CVE-2026-4890 CVE-2026-4891 CVE-2026-4892 CVE-2026-4893 CVE-2026-5172 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – […]

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How to Monitor PostgreSQL with postgres_exporter on RHEL 10 — step-by-step RHEL 10 tutorial on Progressive Robot

How to Monitor PostgreSQL with postgres_exporter on RHEL 10

Introduction Setting up monitor postgresql with postgres_exporter on a RHEL 10 server is a common task for system administrators, DevOps engineers, and site reliability engineers. This guide explains how to Monitor PostgreSQL with postgres_exporter on RHEL 10, with all the commands you need, the SELinux and firewalld considerations to keep in mind, and how to […]

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Ubuntu 22.04 — unbound — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — unbound — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 26 January 2026 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8282-1 Related CVEs: CVE-2026-40622 CVE-2026-33278 CVE-2026-42923 CVE-2026-44390 CVE-2026-42944 CVE-2026-41292 CVE-2026-42959 CVE-2026-42960  +12 more Upstream summary: Andrew Griffiths discovered that Unbound did not properly handle certain DNSCrypt packets. A remote attacker […]

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Debian 13 — djbdns — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — djbdns — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 January 2026 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2008-4392 CVE-2009-0858 CVE-2012-1191 Upstream summary: dnscache in Daniel J. Bernstein djbdns 1.05 does not prevent simultaneous identical outbound DNS queries, which makes it easier for remote attackers to […]

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Common Problems 113963

RHEL 10 – Podman container fails to start with cgroup v2 permission denied – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 25 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 122144

NFS Mount Reports Stale File Handle

🟡 Medium   ⏱ 5–30 min  Last verified: 24 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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AlmaLinux 9 — bind — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on AlmaLinux 9

AlmaLinux 9 — bind — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 9 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2026:8075 Related CVEs: CVE-2026-1519 CVE-2025-40778 CVE-2025-40780 CVE-2024-11187 CVE-2024-1737 CVE-2024-1975 CVE-2024-4076 CVE-2023-4408  +12 more Upstream summary: The Berkeley Internet Name Domain (BIND) is an implementation of the Domain Name System (DNS) protocols. BIND […]

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