QEMU (aka Quick Emulator), when built with the e1000e NIC emulation support, allows local guest OS privileged users to cause a denial of service (infinite loop) via vectors related to setting the initial receive / transmit descriptor head (TDH/RDH) outside the allocated descriptor buffer.
Severity
CVSS 3.1
5.6 medium
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:N/I:N/A:H
EPSS
0.3% chance of exploitation in the next 30 days; higher than 28% of CVEs (scores of 2026-10-31)