CVE-2016-6888: Debian Linux

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

Integer overflow in the net_tx_pkt_init function in hw/net/net_tx_pkt.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (QEMU process crash) via the maximum fragmentation count, which triggers an unchecked multiplication and NULL pointer dereference.

Affected products

• Debian Debian Linux: version 8.0 only
• Qemu Qemu: up to and including 2.6.2; version 2.7.0 only
• Red Hat Openstack: version 6.0 only; version 7.0 only; version 8 only; version 9 only; version 10 only; version 11 only
• Red Hat Virtualization: version 4.0 only

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