qemu: virtio: out-of-bounds buffer write on state load with invalid config_len

Heap-based buffer overflow in the virtioload function in hw/virtio/virtio.c in QEMU before 1.7.2 might allow remote attackers to execute arbitrary code via a crafted config length in a savevm image...

qemu: virtio: insufficient validation of num_sg when mapping

The virtqueuemapsg function in hw/virtio/virtio.c in QEMU before 1.7.2 allows remote attackers to execute arbitrary files via a crafted savevm image, related to virtio-block or virtio-serial read...

qemu: virtio: out-of-bounds buffer write on invalid state load

The virtioload function in virtio/virtio.c in QEMU 1.x before 1.7.2 allows remote attackers to execute arbitrary code via a crafted savevm image, which triggers an out-of-bounds write...