BLOG ESPECIALIZADO NO MUNDO LINUX. Blog de Linux com vídeo aulas, notícias do mundo Linux e do Software Livre.
Embora haja muito o que amar no RISC-V, com a infinidade de extensões do RISC-V, alguns dos acrônimos são difíceis de digerir. O exemplo mais recente são os patches do kernel do Linux para "zisslpcfi", que é a extensão RISC-V em torno do suporte de integridade de fluxo de controle (CFI) para processadores RISC-V.
Linux Kernel Runtime Guard (LKRG) 1.0 is finally here. Explore its runtime kernel integrity monitoring, exploit detection capabilities, performance benchmarks, and how it secures Linux servers against zero-day vulnerabilities. Essential for sysadmins.
Introduzido no ano passado com o kernel Linux 6.7, a configuração de proteção "make hardening.config" foi criada para facilitar a construção de um kernel Linux com segurança reforçada.
Critical SUSE Linux kernel livepatch update (SUSE-2025-20545-1) addresses high-risk vulnerabilities (CVE-2025-XXXXX, CVE-2025-YYYYY) enabling privilege escalation & denial-of-service. Learn patching urgency, technical impact, mitigation steps, and enterprise live patching best practices. Essential reading for Linux sysadmins & security teams.
Urgent SUSE SLES 15 SP5 kernel security update addresses critical CVEs (2025-02807-1). Prevent privilege escalation, memory corruption & ransomware attacks. Learn patching steps & exploit risks. Official SUSE advisory.
Explore the key x86 fixes in Linux 6.18-rc4, including expanded AMD Zen 6 CPU support and a critical RDSEED security patch for Zen 5 architectures. This deep dive covers microcode updates, kernel configuration fixes, and what it means for enterprise systems and high-performance computing.
Explore SUSE's critical kernel livepatch 12-SP5-20829-1, a vital security update addressing CVE-2023-52645. This patch mitigates a use-after-free vulnerability in the kernel's memory manager, preventing privilege escalation and system crashes. Learn about livepatch technology, enterprise Linux security, and proactive server maintenance to safeguard your infrastructure.
Urgent Mageia 9 security advisory: Learn how the critical CUPS-Filters heap overflow vulnerabilities CVE-2025-57812 and CVE-2025-64503 threaten your Linux system's integrity and the immediate steps for patching. Protect your print servers and enterprise infrastructure now.
Fedora 41 issues a critical Kubernetes 1.31.12 patch addressing CVE-2025-5187, a severe privilege escalation flaw allowing node self-deletion. Learn the CVSS score, mitigation steps, and how to secure your container orchestration cluster with this urgent security update.
Explore the new Linux 6.18 Kconfig "transitional" keyword, a pivotal kernel development upgrade for seamless configuration management. Learn how this feature enhances system security, simplifies kernel hardening, and prevents build breakage for developers and sysadmins.
Critical Fedora 41 libsoup3 security patch (Advisory 2025-1f41505af2) addresses CVE-2025-XXXX vulnerabilities. Learn exploit impacts, patching procedures, and enterprise hardening strategies for HTTP library security in Linux environments.
