O AMD ROCm 7.14 é lançado como versão oficial e já está pronto para o Advancing AI 2026

 

O AMD ROCm 7.14foi  lançado como uma versão oficial com TheRock, suporte a Ryzen AI 400 e ganhos de até 16% em IA. Saiba tudo sobre o lançamento e o Advancing AI 2026.

DirtyClone e pedit COW: Análise Técnica das Falhas de Escalação de Privilégios no Kernel Linux

 

DirtyClone (CVE-2026-43503) e pedit COW (CVE-2026-46331): análise técnica, identificação, atualização e mitigação para administradores Linux. Comandos práticos inclusos.

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.

ELSA-2026-29702: Guia Definitivo para Atualizar o runc no Oracle Linux 9

 

Guia prático para aplicar a atualização de segurança ELSA-2026-29702 do runc no Oracle Linux 9, com comandos reais, verificação prévia e pós-atualização, troubleshooting e boas práticas.

GUIA DEFINITIVO: Como proteger seu servidor Exim contra vazamento de memória (CVE-2026-48840)

 

Vulnerabilidade CVE-2026-48840 no Exim4 pode vazar memória do servidor e derrubar a proteção ASLR. Aprenda a verificar se você está vulnerável com comandos reais para Debian, aplique o script de correção automatizado e implemente mitigações alternativas com iptables. Guia completo para administradores de servidores Linux que querem proteger seus MTAs de forma definitiva.

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.

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.

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.

StrongSwan VPN Servers: The Infinite Loop Risk (And How to Lock Down Your IPsec for Good)

 

Multiple StrongSwan vulnerabilities (CVE-2026-35328 to CVE-2026-35334) can crash your VPN via infinite loops. Learn how to check, patch, and automate fixes on SUSE/Debian. Includes iptables mitigation and affiliate resources.

Hardening jq Against JSON-Based DoS Attacks

 

Stop crashing your JSON pipelines. This guide covers 5 critical jq DoS vulnerabilities (CVE-2026), shows how to check your version on Fedora 43 & CentOS 9, provides an automated bash fix script, and offers immediate iptables mitigation for unpatched systems.

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.

Stop Guessing: How to Lock Down libarchive Against RCE & Data Corruption (Works on Ubuntu, Rocky Linux, SUSE)

 

Libarchive flaws (CVE-2026-4424, CVE-2026-5121) can break backups & logs. Learn to check, fix, or block the risk on Ubuntu, Rocky, SUSE – with automation scripts & no-update workarounds.

.NET on Linux: Stop Guessing About Security Patches (A Practical Guide)

 

Running .NET 9 on Linux? Unpatched runtimes expose your servers to remote code execution. This guide shows you how to check your systems, apply the fix with a universal bash script, and block attacks with iptables if you cannot reboot today. Includes automation for Ubuntu, Rocky, and SUSE.