A flaw was found in QEMU. The async nature of hot-unplug enables a race scenario where the net device backend is cleared before the virtio-net pci frontend has been unplugged. A malicious guest could use this time window to trigger an assertion and cause a denial of service.
{
"cpe": [
"cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:*",
"cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*",
"cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:*"
],
"source": "CPE_FIELD",
"extracted_events": [
{
"introduced": "0"
},
{
"last_affected": "8.0.3"
},
{
"last_affected": "8.0"
},
{
"last_affected": "9.0"
}
]
}