BLOG ESPECIALIZADO NO MUNDO LINUX. Blog de Linux com vídeo aulas, notícias do mundo Linux e do Software Livre.
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.
Aprenda a verificar, corrigir e automatizar a proteção contra vulnerabilidades de memória no Firefox (Fedora). Script bash, mitigação com iptables/AppArmor e recomendações de livro para aprofundar em segurança Linux. Conteúdo perene para sysadmins.
Cockpit Machines vulnerable to ReDoS (CVE-2026-25547, CVE-2026-26996). Permanent fix guide: detection commands, bash automation, iptables, lab. No expiry.
Patch CVE-2026-34444: Check lupa version, run the fix script, block RCE with iptables, and test in a free lab.
Are you leaving enterprise AI performance on the table? Discover how AMD-optimized Rocky Linux can unlock peak HPC & LLM acceleration. Get expert analysis, a performance ROI guide, and insights into the future of data-center Linux. Download our free Executive Briefing.
With Mageia 10 beta now available, discover why this 2026 Linux distribution is a unique player offering both cutting-edge features like Linux 6.18 LTS and KDE Plasma 6, alongside rare 32-bit i686 support. Explore the full changelog, download links, and our expert analysis on its official release timeline.
xml.dom.minidom. We break down the exploit mechanics, the remediation process, and essential compliance strategies for DevOps teams managing legacy Python dependencies in 2026.
Discover why the Linux kernel is phasing out IPv6 as a loadable module. A SUSE engineer's groundbreaking patch series aims to replace indirect calls with direct functions, boosting networking performance, fortifying kernel security, and slashing long-term maintenance overhead. Explore the technical rationale, benefits, and industry impact of this core shift from CONFIG_IPV6=m to CONFIG_IPV6=y.
In March 2026, Fedora released a critical security update for polkit (FEDORA-2026-0e9ef494fc) addressing a D-Bus warning vulnerability. This authoritative guide explains the backport of upstream commits 9dca831 and 4e67dde in polkit version 126-6.fc43.1, providing system administrators with technical analysis of the authorization framework fix, expert instructions for dnf upgrade implementation, and essential insights into Linux privilege management security.
A critical analysis of the severe 64% performance regression discovered in the Linux 7.0 kernel's SLUB allocator. Explore the technical root cause identified by Red Hat's Ming Lei, the fix engineered by SUSE's Vlastimil Babka, and what this means for enterprise workload stability ahead of the -rc3 release. Essential reading for kernel engineers, sysadmins, and DevOps professionals.
Attention System Administrators and Database Engineers: Rocky Linux 10 has released a critical security update (RLSA-2026:3887) for PostgreSQL 16. This patch addresses three high-severity vulnerabilities (CVE-2026-2004, CVE-2026-2005, CVE-2026-2006) that could allow remote code execution.
Critical security updates for Fedora 42's Python 3.9 package address command injection vulnerabilities CVE-2026-1299, CVE-2026-0865, and others. Learn how to patch your development environment against these RCE flaws to protect your legacy application testing from header injection and IMAP exploits. Immediate update instructions included.
Discover why AlmaLinux is the enterprise Linux distribution of choice for over 2 million systems. Our in-depth analysis covers the AlmaLinux 2025 Year In Review, exploring record growth, technical innovations like x86-64-v2 and Btrfs, and its strategic advantage as a RHEL alternative. Learn how this community-driven OS is redefining stability and performance for modern infrastructure.
Dive into the comprehensive analysis of Linux 7.0-rc1. We dissect the new kernel's transformative features, from Intel Nova Lake and AMD Zen 6 enablement to critical file-system performance gains for PostgreSQL and exFAT. Explore the implications for Ubuntu 26.04 LTS, Fedora 44, and the enterprise infrastructure landscape.
A critical Fedora 42 update addresses CVE-2026-25727, a high-severity stack exhaustion vulnerability in python-uv-build. This guide provides the technical analysis of the DoS flaw, the complete patching roadmap via dnf, and the strategic importance of upgrading to uv 0.10.2 for enterprise security compliance.
Discover how Linux 7.0 is revolutionizing kernel branding with compile-time custom boot logos, replacing the iconic Tux. Explore the technical merge from Linus Torvalds, the deprecation of the Hyper-V FBDEV driver in favor of DRM, and what this flexibility means for enterprise distributions and embedded systems in the latest merge window.
Critical Debian 11 Sudo vulnerabilities CVE-2023-28486 and CVE-2023-28487 exposed: how improper log escaping enables attackers to hide malicious activity. Learn patching steps, security implications, and enterprise mitigation strategies to protect your Linux privilege escalation controls and maintain audit trail integrity.
Critical security update for Fedora 42 Ghostscript addressing CVE-2025-59798, CVE-2025-59799, CVE-2025-59800 vulnerabilities. Complete patch analysis, remediation steps, enterprise risk assessment, and security implications for PDF/PostScript processing in Linux environments. Essential reading for system administrators and cybersecurity professionals.
Comprehensive analysis of Oracle Linux 10 ELSA-2026-0668 security update fixing Net-SNMP vulnerabilities including out-of-bound access, proxy pass errors, and PQC implementation. Download RPMs for x86_64 & aarch64 with expert installation guidance.