mmio memory safety

The mmio memory safety tag covers discussions about memory-mapped I/O (MMIO) vulnerabilities in virtualization environments, particularly KVM-based hypervisors. Content under this tag focuses on flaws like use-after-free bugs triggered by emulated MMIO operations, page-splitting writes, and userspace exits. These issues primarily affect Linux virtualization stacks, cloud hosts, and nested virtualization systems. While Windows itself is not directly impacted, the tag is relevant for Windows users running virtualized environments or relying on hypervisor security. Topics include kernel patching, exploit mitigation, and the importance of updating hypervisors to prevent stale data exposure. The tag emphasizes the intersection of hardware emulation, memory safety, and enterprise IT security.