Rocky Linux: Atualizações de Segurança Críticas que Você Precisa Aplicar AGORA

 

Atualizações críticas de segurança para o Rocky Linux: libarchive (CVE-2026-14164), Vim e nodejs-nodemon. Veja como aplicar os patches e proteger seu servidor agora mesmo

RLSA-2026:33577 — Atualização Crítica de Segurança do Ruby no Rocky Linux 9

 

Atualização crítica de segurança Ruby no Rocky Linux 9 corrige três CVEs no net-imap. Guia prático com comandos, verificação pós-patch e troubleshooting para equipes de infraestrutura.

RLSA-2023:6976 – Guia Definitivo para o Patch do libfastjson: Do Comando à Reinicialização Obrigatória

Atualização crítica libfastjson no Rocky Linux 8: CVE-2020-12762 com integer overflow. Guia prático com comandos, troubleshooting e automação Ansible para infraestrutura segura.

RLSA-2026:28923 – Atualização de Segurança do TigerVNC no Rocky Linux 8

 

Atualização crítica do TigerVNC no Rocky Linux 8 corrige 9 vulnerabilidades (CVE-2026-50256 a CVE-2026-50264). Guia completo com comandos, verificação pós-atualização e troubleshooting.

RLSA-2026:28143 – Atualização de Segurança Crítica para PostgreSQL 16 no Rocky Linux 8

 

Atualização crítica RLSA-2026:28143 para PostgreSQL 16 no Rocky 8. Corrige RCE (CVE-2026-6473) e ataque de timing (CVE-2026-6478). Comandos práticos e automação.

Dracut no Rocky Linux: Entendendo e Corrigindo a Falha CVE-2026-6893

 

A vulnerabilidade CVE-2026-6893 no dracut permite execução remota de código como root via DHCP em servidores Rocky Linux. Aprenda a verificar, corrigir com script automatizado e aplicar mitigação alternativa mesmo sem atualização imediata. Guia completo para administradores.

OpenMoonRay: A Complete Guide to DreamWorks’ Production-Proven Renderer Now Under the Academy Software Foundation

DreamWorks’ OpenMoonRay renderer joins the Academy Software Foundation. Learn how to use this production-proven, open-source path tracer in your VFX pipeline.

From Zero to Privileged: Understanding and Fixing the libcap Capabilities Flaw

 

Don't let libcap vulnerabilities catch you off guard. Learn how to manually check your Rocky Linux systems for privilege escalation bugs, apply a working automation script, and layer your defense with alternative mitigations – including a Raspberry Pi lab setup for safe testing.

From a "News Flash" to a Security Checklist

 

A sudo privilege escalation flaw (CVE-2026-35535) in Rocky Linux allows local users to gain root access. This guide covers how to identify vulnerable systems, patch them immediately, set up an automated update, and apply a manual workaround as a temporary fix.

How to Secure Python 3.12 on Rocky Linux (and Build Your Own Analysis Tools)

Secure your Rocky Linux Python 3.12 installs today. Step-by-step commands to check for the libexpat CVE-2025-59375, auto-fix scripts, and fallback mitigation. Plus, learn how to master binary analysis and build your own security tools with a top-rated book.

Master Kernel Security: How to Handle Critical CVEs on Rocky Linux (Even Without an Immediate Patch)

 

Stop chasing CVEs. Learn to permanently check, patch, and mitigate Linux kernel vulnerabilities using real automation scripts. Includes LKRG setup and a book that teaches you to build tools for any future zero-day.

Go + OpenSSL: The 9 Vulnerabilities That Won’t Go Away (Fix Them for Good)

 

Stop chasing CVE dates. Learn how to check, patch, and mitigate 9 critical Go/OpenSSL vulnerabilities on SUSE. Includes a step-by-step lab, automation script, and a no-update firewall fix. Updated for 2026.

The Ultimate Guide to Kernel Livepatching (Without Reboots)

 

Stop rebooting your SUSE Micro servers. Learn how to apply, automate, and verify kernel livepatches for moderate CVE fixes on Ubuntu, Rocky, and SUSE. Includes a no-update mitigation script.

Kea DHCP Stack Overflow: A Practical Guide to Checking, Patching, and Blocking (CVE-2026-3608)

 

A stack overflow in Kea DHCP (CVE-2026-3608) can crash your DHCP servers remotely. Learn to check, patch, or block it with iptables. Includes automation scripts for Ubuntu, Rocky, and SUSE. No fluff, just commands.

How to Secure Your Containerd Runtime: A Permanent Guide (2026 Update as Reference)

 

Fix containerd vulnerabilities permanently. Check, patch, or mitigate with iptables & AppArmor. Includes automation scripts for  SUSE. No expiry date.

RootlessKit Security Vulnerability: How to Harden Your Container Environment Permanently (Not Just a One-Time Fix)

 

A RootlessKit vulnerability can expose your container runtime. Learn how to check your version on SUSE, apply an automated fix, and implement temporary firewall mitigations. Includes a top book recommendation to master container security for years.

How to Secure Your Containerd Runtime: A Permanent Fix for Go Vulnerabilities

 

Stop chasing outdated security advisories. Learn how to check, patch, and mitigate containerd vulnerabilities across Ubuntu, Rocky Linux, and SUSE. Includes a universal bash script, iptables backup plan, and a recommended book for mastering container security.

The Complete Guide to Securing Buildah Container Environments

 

Secure your container builds: A permanent guide to Buildah security updates. Includes check scripts, automation, and mitigation for Ubuntu, Rocky, SUSE. (188 chars)

The Linux Kernel is Broken Again: How to Fix the Latest Bluetooth & AppArmor Escapes (Without Panic)

 

Stop rebooting for every kernel patch. Learn to fix CVE-2025-40309 (Bluetooth UAF) & CVE-2026-23268 (AppArmor bypass) on SUSE, Ubuntu & Rocky. Includes a production-ready automation script and an emergency iptables block. Secure your Linux servers now.

The Linux Admin’s Guide to Handling Kernel Privilege Escalation & Bluetooth UAF

 

Stop rebooting for every kernel bug. Learn to check, patch, and mitigate CVE-2025-40309 (Bluetooth UAF) and CVE-2026-23268 (AppArmor privesc) on Ubuntu, Rocky, & SUSE. Includes a universal bash fixer script and no-update workarounds.