DNS

Common Problems 113996

RHEL 10 Rootless Podman Cannot Bind Privileged Ports

🟡 Medium   ⏱ 5–30 min  Last verified: 11 February 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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SLES 12 — bind — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on SLES 12

SLES 12 — bind — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 11 February 2026 Affected versions: SLES 12 📖 ~4 min read  •  Source: SUSE advisory RHSA-2026:11371 (see also SUSE bugzilla) Related CVEs: CVE-2026-1519 CVE-2025-40778 CVE-2024-11187 CVE-2024-1737 CVE-2024-1975 CVE-2023-4408 CVE-2023-50387 CVE-2023-50868  +12 more Upstream summary: If a BIND resolver is performing DNSSEC validation and encounters a maliciously crafted […]

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Common Problems 113986

RHEL 10 SELinux AVC Denials After Custom Application Deployment

🟠 High   ⏱ 5–30 min  Last verified: 10 February 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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SLES 15 — bind — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on SLES 15

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

🟠 High   ⏱ 15–60 min  Last verified: 10 February 2026 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory RHSA-2026:11371 (see also SUSE bugzilla) Related CVEs: CVE-2026-1519 CVE-2026-3104 CVE-2025-13878 CVE-2025-40778 CVE-2025-40780 CVE-2025-8677 CVE-2025-40777 CVE-2025-40775  +12 more Upstream summary: If a BIND resolver is performing DNSSEC validation and encounters a maliciously crafted […]

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Ubuntu 22.04 — bind9 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — bind9 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 10 February 2026 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8293-1 Related CVEs: CVE-2026-3592 CVE-2026-5947 CVE-2026-5946 CVE-2026-5950 CVE-2026-3593 CVE-2026-3039 CVE-2026-3104 CVE-2026-3119  +12 more Upstream summary: Vitaly Simonovich discovered that Bind could exhaust memory during GSS-API TKEY negotiation. A remote attacker […]

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Oracle Linux 8 — bind9.16 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — bind9.16 — vulnerability — patch and remediation guide (ELSA-2025-19793)

🟠 High   ⏱ 15–60 min  Last verified: 9 February 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2025-19793 Related CVEs: CVE-2025-40780 CVE-2025-40778 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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args and kwargs in Python 3

How to Use args and kwargs in Python 3– Complete Guide 2025–2026

Mastering how to use args and kwargs in Python 3 is one of the most powerful and frequently used advanced techniques at Progressive Robot — these special syntaxes allow functions to accept a variable number of positional (*args) and keyword (**kwargs) arguments, making your code more flexible, reusable, generic, and future-proof for everything from utility functions, decorators, API wrappers, logging, data processors, CLI tools, to framework-level code.

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Common Problems 114617

Boot Drops Into Emergency Mode Due To Broken fstab Entry

🟡 Medium   ⏱ 5–30 min  Last verified: 8 February 2026 📖 ~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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Alpine Linux edge — aardvark-dns — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux edge

Alpine Linux edge — aardvark-dns — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 1.17.1-r0 📖 ~4 min read  •  Source: Alpine secdb entry — aardvark-dns 1.17.1-r0 Related CVEs: CVE-2026-35406 CVE-2024-8418 Upstream summary: Alpine community repository for vedge ships aardvark-dns 1.17.1-r0 which addresses CVE-2026-35406. Table of contents Symptom & Impact […]

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