CVE-2017-5579: Debian Linux

Medium severity, CVSS 6.5. EPSS: 0.4% chance of exploitation in the next 30 days.

Memory leak in the serial_exit_core function in hw/char/serial.c in QEMU (aka Quick Emulator) allows local guest OS privileged users to cause a denial of service (host memory consumption and QEMU process crash) via a large number of device unplug operations.

Affected products

• Debian Debian Linux: version 8.0 only
• Qemu Qemu: up to and including 2.8.1.1; version 2.9.0 only

Published 2017-03-15. Last modified 2026-06-17.