pcichangeirqlevel in hw/pci/pci.c in QEMU before 5.1.1 has a NULL pointer dereference because pciget_bus() might not return a valid pointer.
{ "urgency": "not yet assigned" }
"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2020-25742.json"