CVE-2026-46655: Heap-based Buffer Overflow

virtio-win provides Windows paravirtualized drivers for QEMU and KVM. From mm210 until mm320, the Viosock driver permits a low-privilege local process to submit an IOCTLSELECT request with attacker-controlled VIRTIOVSOCKSELECT.Fdss.fdcount values that overflow the 32-bit sum used by VIOSockSelect...