BLOG ESPECIALIZADO NO MUNDO LINUX. Blog de Linux com vídeo aulas, notícias do mundo Linux e do Software Livre.
Critical VMSCAPE vulnerability (CVE-2025-40300) discovered in Ubuntu's Linux Kernel for Azure FIPS systems: a hypervisor isolation flaw risking host data exposure. This in-depth security advisory details the threat, impacted subsystems, patching procedures, and essential enterprise hardening strategies for cloud infrastructure defense. Proactive patch management is non-negotiable for compliance and security.
Linux kernel 6.18 is now stable and expected to be the 2025 Long-Term Support (LTS) release. Our in-depth analysis covers the new Sheaves memory allocator, 50% faster UDP performance, Apple M2 support, Nouveau GSP default, and critical security updates for enterprise deployment.
Protect your systems: Fedora 42 releases a critical libnbd security update (version 1.22.5) fixing a vulnerability in nbd+ssh URIs. This guide explains the NBD protocol, the security fix, and provides step-by-step update instructions for Linux administrators.
AMD confirms a high-severity RDSEED flaw in its new Zen 5 CPUs, impacting cryptographic security & system randomness. Our guide details the vulnerability, AMD's microcode patch timeline for Ryzen 9000 & EPYC 9005, and immediate Linux workarounds. Stay secure.
Explore the major IOMMU driver updates in Linux Kernel 6.18, featuring enhanced virtualization security for AMD SEV-SNP, 4-level paging for Apple M2 SoCs, ACPI support for RISC-V, and Intel VT-d specification compliance. This deep dive analyzes the performance and security implications for enterprise computing.
Comprehensive analysis of SUSE's 2025-03307-1 security advisory for sevctl. Learn about the moderate-severity flaw, its impact on confidential computing, and step-by-step patching instructions to secure your SUSE Linux Enterprise Server (SLES) environment. Stay compliant and protect against potential exploits.
Linux 6.17 Attack Vector Controls revolutionize CPU security: activate only essential mitigations per workload. Learn SRSO refinements, SEV optimizations & performance gains. Stable release early Oct.
Meta hires Intel Linux veteran Kirill Shutemov, TDX maintainer, boosting their elite kernel team. Explore why this move matters for open source, confidential computing, & hyperscale infrastructure. Linux talent war heats up!
Linux 6.16-rc3 introduces critical Intel TDX updates for KVM, enabling secure confidential VMs on Xeon servers. Learn how TDVMCALL API improvements boost virtualization performance and security for enterprise workloads.
Ubuntu 25.04 faces a severe AMD microcode flaw (CVE-2024-56161) compromising SEV-SNP confidential guest integrity. Learn how to patch it, why enterprise security is at risk, and how AMD CPU firmware updates mitigate threats. Last updated June 2025.
Intel TDX host-side support arrives in Linux 6.16, enabling confidential computing on Emerald Rapids CPUs. Discover how KVM integration boosts VM security for enterprises.
AMD’s new Linux 6.16 vTPM driver for SEV-SNP boosts confidential computing security, enabling secure TPM emulation in VMs. Ideal for high-stakes cloud & enterprise workloads on EPYC Turin CPUs. Learn how this 400-line code upgrade enhances data protection.
AMD EPYC & Linux 6.17 will optimize SEV-KVM cache flushing, boosting virtualization performance in data centers. Learn how WBNOINVD & targeted flushing reduce latency for cloud hosting and enterprise workloads.
