Linux Kvm
The latest Linux Kvm coverage — news, analysis, and updates from the WindowsNews.AI desk.
CVE-2026-63794: Linux KVM Host Bug Exposes AMD SEV-Protected Windows VMs to Memory Overflow
A newly disclosed vulnerability in the Linux kernel’s KVM hypervisor code can lead to a buffer overflow on AMD-powered hosts that use Secure Encrypted Virtualization (SEV), potentially breaking the...
CVE-2026-63807: Patch Your Linux KVM Hosts to Stop Guest-Triggered Crashes
Published on July 19, 2026, a vulnerability in the Linux KVM hypervisor (CVE-2026-63807) can be exploited by a virtual machine guest to crash the entire physical host. The flaw lies in the shadow...
A 15-Year-Old Bug Lets a Guest VM Crash Your KVM Host—Patch Now
A vulnerability that has been hiding in the Linux kernel’s KVM hypervisor since 2009 can allow any guest virtual machine to instantly crash the entire physical host. Disclosed on July 19, 2026 as...
Linux KVM Patch Resolves Spurious SEV-ES Warning When Windows VMs Shut Down
A newly assigned CVE has shed light on a subtle Linux kernel bug that could send Windows virtual machine administrators scrambling for false alarms. CVE-2026-53345, reserved for a KVM host-side...
Patch Alert: CVE-2026-53359 KVM Use-After-Free Allows Guest-to-Host Escape – What It Means for Windows Users
A critical vulnerability in the Linux kernel’s KVM hypervisor, made public on July 4, 2026, allows any virtual machine guest to crash the host system and, in worst-case scenarios, achieve full code...
CVE-2026-46131: Critical Linux KVM Nested VM Bug Risks Data Leakage
A critical vulnerability in the Linux kernel's Kernel-based Virtual Machine (KVM) hypervisor was publicly disclosed on May 28, 2026, under CVE-2026-46131. The flaw, which involves improper management...
Linux Kernel KVM Patch Fixes Critical AMD Nested Virtualization Flaw
A newly published Linux kernel vulnerability, CVE-2026-46076, corrects a critical flaw in the Kernel-based Virtual Machine (KVM) hypervisor’s handling of nested virtualization on AMD processors....
CVE-2026-46082: KVM AMD SVM Vulnerability Fixed – What Windows Users Need to Know
A vulnerability in the Linux kernel's Kernel-based Virtual Machine (KVM) hypervisor that could have allowed malicious virtual machines to bypass AMD's virtualization protections has been patched. The...
KVM AMD Nested VM Bug Risks Data Leak and Host Crashes; Patch Released
The National Vulnerability Database published CVE-2026-46014 on May 27, 2026, detailing a flaw in the Linux kernel's Kernel-based Virtual Machine (KVM) that affects AMD Secure Virtual Machine (SVM)...
Linux Kernel Fixes Critical CVE-2026-46059 KVM AMD Nested VM Escape Flaw
CVE-2026-46059 details a high-severity flaw in the Linux kernel's KVM hypervisor, specifically within the AMD nested SVM (nSVM) code path, published by the National Vulnerability Database on May 27,...
CVE-2026-31591: Linux KVM Race Condition Can Crash Servers Running AMD SEV-SNP Confidential VMs
A newly documented Linux kernel flaw (CVE-2026-31591) can crash physical servers that host AMD’s most secure confidential virtual machines. The bug sits in KVM’s handling of AMD Secure Encrypted...
A Single Linux KVM Warning Can Crash Your Server: The Fix for CVE-2026-31590
The Linux kernel’s KVM virtualization layer harbors a bug that lets a local user trigger a kernel warning, and on hardened systems, that warning can escalate to a full host crash—taking down...