BLOG ESPECIALIZADO NO MUNDO LINUX. Blog de Linux com vídeo aulas, notícias do mundo Linux e do Software Livre.
Critical security advisory: Fedora 43 users must immediately update python-ujson to version 5.12.0 to patch CVE-2026-32875 and CVE-2026-32874. This update resolves a high-severity buffer overflow vulnerability and a memory leak DoS, ensuring the integrity and performance of Python applications relying on ultra-fast JSON processing. Learn the technical details, exploitation vectors, and step-by-step remediation instructions to secure your development environment and production servers.
Urgent security advisory: CVE-2024-25580 in Qt libraries exposes Ubuntu 22.04 LTS and 20.04 LTS to critical denial-of-service and arbitrary code execution risks. This guide provides patch instructions, exploit analysis, and enterprise mitigation strategies to secure Linux systems and maintain infrastructure integrity. Learn how Ubuntu Pro extends security coverage
Linux 6.16 introduces dynamic preemption for IBM POWER CPUs, enabling real-time kernel tuning without rebuilds. Discover how POWER9/POWER10 servers benefit from this + new KVM PMU enhancements for enterprise & cloud workloads.
Impulsionando o Desempenho do Linux: Otimizações Clang LTO Chegam ao Kernel RISC-V
