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#virtualization

4 stories taggedvirtualization.

Illustration: a dark server rack interior, cool blue indicator LEDs reflecting off brushed aluminium
Vulnerabilities

A Linux Kernel Bug Called Vghost Lets a Guest VM Reach Into the Host

CVE-2026-74580 sits in the vhost subsystem and survived almost a decade of kernel releases. Tencent's Zhuque Lab found it with help from an AI tool.

4 min read
Illustration: an Arm-based server motherboard under cool blue rack
Vulnerabilities

Arm64 KVM flaw lets a guest VM reach into the host's memory

CVE-2026-89775 is a critical Linux kernel bug in the Arm64 virtualization path. A researcher says a guest can read and write host memory when nested virtualization is on.

3 min read
Nested virtual machine architecture diagram visualized on a screen, with a glowing vulnerability path shown breaking through from the innermost guest layer to t
Vulnerabilities

Zapscape flaw in Linux KVM lets a rogue guest break out to the host

A newly disclosed bug in the Linux kernel's virtualization layer, tracked as CVE-2026-64561, could let an attacker inside a nested virtual machine reach the physical server underneath.

3 min read
A vCenter login screen dissolving away to reveal immediate access to virtual machines and infrastructure behind it, representing authentication bypass
Vulnerabilities

Broadcom Patches Three Critical VMware Bugs, Including a vCenter Login Bypass

One flaw lets an attacker skip the login screen on vCenter entirely. Two more allow code execution and virtual machine escape across ESX, Workstation and Fusion.

3 min read
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