CVE-2017-5579

Qemu: serial: host memory leakage 16550A UART emulation

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Severity

Low

Red Hat Product Security

4.1

CVSS 3.0

Review impact separately from score.

Published · January 11, 2017

Updated · June 28, 2026

Description

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.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.0 · 4.1
CVSS:3.0/AV:A/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:L

CVSS 2.0 · 2.3
AV:A/AC:M/Au:S/C:N/I:N/A:P

CWE-772 · Missing Release of Resource after Effective Lifetime