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(parent: 627f91b) | patch
virtio-ccw: fix range check for SET_VQ
authorCornelia Huck <cornelia.huck@de.ibm.com>
Fri, 20 Mar 2015 12:08:36 +0000 (13:08 +0100)
committerCornelia Huck <cornelia.huck@de.ibm.com>
Mon, 30 Mar 2015 07:25:17 +0000 (09:25 +0200)
commit590fe5722b522e492a9c78adadae4def35b137dd
treec82b2449005a9f38b8ccf410c9ed7094acc9355etree | snapshot
parent627f91b1f80fecc73d00727181a9ddb6162cc30ecommit | diff
virtio-ccw: fix range check for SET_VQ

VIRTIO_PCI_QUEUE_MAX is already too big; a malicious guest would be
able to trigger a write beyond the VirtQueue structure.

Cc: qemu-stable@nongnu.org
Reviewed-by: David Hildenbrand <dahi@linux.vnet.ibm.com>
Acked-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
hw/s390x/virtio-ccw.c diff | blob | history
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