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#KVM

3 stories taggedKVM.

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
Illustration: a dense server rack in a dim data centre, cool blue LEDs reflecting off polished floor tiles
Vulnerabilities

A 16-Year-Old Flaw in Linux's Virtual Machine Engine Lets Guests Break Into Their Host

Januscape (CVE-2026-53359) sits in shared code used on both Intel and AMD servers, and a public demo already crashes the host machine.

3 min read
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