Integer overflow in the virtio_net_handle_mac function in hw/net/virtio-net.c in QEMU 2.0 and earlier allows local guest users to execute arbitrary code via a MAC addresses table update request, which triggers a heap-based buffer overflow.
https://bugzilla.redhat.com/show_bug.cgi?id=1078846
http://secunia.com/advisories/57878
http://secunia.com/advisories/58191
http://www.debian.org/security/2014/dsa-2909
Published: 2014-04-18
Base Score: 4.9
Vector: CVSS2#AV:A/AC:M/Au:S/C:P/I:P/A:P
Severity: Medium