CVE-2016-9923

Qemu: char: use-after-free issue during hotplug and unplugging device

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Severity

Low

Red Hat Product Security

4.1

CVSS 3.0

Review impact separately from score.

Published · November 24, 2016

Updated · November 21, 2025

Description

Quick Emulator (Qemu) built with the 'chardev' backend support is vulnerable to a use after free issue. It could occur while hotplug and unplugging the device in the guest. A guest user/process could use this flaw to crash a Qemu process on the host resulting in DoS.

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-416 · Use After Free