The pcnetrdraaddr function in hw/net/pcnet.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (infinite loop and QEMU process crash) by setting the (1) receive or (2) transmit descriptor ring length to 0.
{
"versions": [
{
"introduced": "0"
},
{
"last_affected": "2.7.1"
},
{
"introduced": "0"
},
{
"last_affected": "8.0"
}
]
}