CVE-2016-7909: Debian Linux

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

The pcnet_rdra_addr function in hw/net/pcnet.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (infinite loop and QEMU process crash) by setting the (1) receive or (2) transmit descriptor ring length to 0.

Affected products

• Debian Debian Linux: version 8.0 only
• Qemu Qemu: up to and including 2.7.1

Published 2016-10-05. Last modified 2026-06-17.