QEMU fixes DoS via zero-length packed virtio descriptors
A guest userspace driver could abort the hypervisor by feeding empty indirect tables into packed virtqueues.
By sudo#virtio
QEMU patches virtio queue-size OOB flaw (CVE-2026-50626)
Guests could set virtio queues larger than the host allocated, enabling out-of-bounds access when in-order delivery was in use.
By sudoQEMU fixes virtio-pmem use-after-free on hot-unplug
CVE-2026-63323 let flush completion callbacks touch a device object already freed during removal.
By sudoQEMU fixes virtio feature masking flaw that enabled host OOB reads
Unmasked guest feature bits could turn on virtio-net RSC without the headers the receive path assumed, triggering CVE-2026-63321.
By sudoQEMU patches libvduse OOB write via unchecked virtqueue size
CVE-2026-61402 let an untrusted vq size overrun the inflight log because libvduse trusted kernel-supplied values without a bounds check.
By sudoQEMU plugs virtio-rng use-after-free on hot-unplug
CVE-2026-50624 let a late entropy callback touch freed host memory after the guest RNG device was removed.
By sudo