CVE-2023-3019: Qemu

Medium severity, CVSS 6.5. EPSS: 0.3% chance of exploitation in the next 30 days.

A DMA reentrancy issue leading to a use-after-free error was found in the e1000e NIC emulation code in QEMU. This issue could allow a privileged guest user to crash the QEMU process on the host, resulting in a denial of service.

Affected products

  • Qemu Qemu: before 8.2.0 (fixed in 8.2.0)
  • Red Hat Enterprise Linux: version 8.0 only; version 9.0 only

Published 2023-07-24. Last modified 2026-06-17.