An out-of-bounds read/write access flaw was found in the USB emulator of the QEMU in versions before 5.2.0. This issue occurs while processing USB packets from a guest when USBDevice 'setuplen' exceeds its 'databuf[4096]' in the dotokenin, dotokenout routines. This flaw allows a guest user to crash the QEMU process, resulting in a denial of service, or the potential execution of arbitrary code with the privileges of the QEMU process on the host.
{
"unresolved_ranges": [
{
"source": "CPE_FIELD",
"cpes": [
"cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:*",
"cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*",
"cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:*"
],
"extracted_events": [
{
"last_affected": "16.04"
},
{
"last_affected": "18.04"
},
{
"last_affected": "20.04"
}
],
"vendor_product": "canonical:ubuntu_linux"
},
{
"source": "CPE_FIELD",
"cpes": [
"cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*",
"cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*"
],
"extracted_events": [
{
"last_affected": "9.0"
},
{
"last_affected": "10.0"
}
],
"vendor_product": "debian:debian_linux"
},
{
"source": "CPE_FIELD",
"cpes": [
"cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*",
"cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*"
],
"extracted_events": [
{
"last_affected": "31"
},
{
"last_affected": "32"
}
],
"vendor_product": "fedoraproject:fedora"
},
{
"source": "CPE_FIELD",
"cpes": [
"cpe:2.3:o:opensuse:leap:15.2:*:*:*:*:*:*:*"
],
"extracted_events": [
{
"last_affected": "15.2"
}
],
"vendor_product": "opensuse:leap"
},
{
"source": "CPE_FIELD",
"cpes": [
"cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:*",
"cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*",
"cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:-:*:*:*",
"cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:advanced_virtualization:*:*:*"
],
"extracted_events": [
{
"last_affected": "6.0"
},
{
"last_affected": "7.0"
},
{
"last_affected": "8.0"
},
{
"last_affected": "8.0"
}
],
"vendor_product": "redhat:enterprise_linux"
},
{
"source": "CPE_FIELD",
"cpes": [
"cpe:2.3:a:redhat:openstack:10:*:*:*:*:*:*:*",
"cpe:2.3:a:redhat:openstack:13:*:*:*:*:*:*:*"
],
"extracted_events": [
{
"last_affected": "10"
},
{
"last_affected": "13"
}
],
"vendor_product": "redhat:openstack"
}
]
}