CVE-2016-6833: Debian Linux

Medium severity, CVSS 4.4. EPSS: 0.4% chance of exploitation in the next 30 days.

Use-after-free vulnerability in the vmxnet3_io_bar0_write function in hw/net/vmxnet3.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (QEMU instance crash) by leveraging failure to check if the device is active.

Affected products

• Debian Debian Linux: version 8.0 only
• Qemu Qemu: up to and including 2.6.2; version 2.7.0 only

Published 2016-12-10. Last modified 2026-06-17.