KVM

A 16-year-old Linux kernel vulnerability, dubbed Januscape, allows attackers to escape a virtual machine and execute arbitrary code on the host. According to Hyunwoo Kim, the security researcher who discovered it, this guest-to-host escape flaw (tracked as CVE-2026-53359) stems from a use-after-free weakness in the shadow MMU emulation of KVM/x86, the kernel-based virtual machine built for x86 and […]