CVE-2016-7421: Debian Linux
Medium severity, CVSS 4.4. EPSS: 0.4% chance of exploitation in the next 30 days.
The pvscsi_ring_pop_req_descr function in hw/scsi/vmw_pvscsi.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (infinite loop and QEMU process crash) by leveraging failure to limit process IO loop to the ring size.
Affected products
Published 2016-12-10. Last modified 2026-06-17.