CVE-2013-4377

qemu: hot-unplugging virtio devices in guest can crash host qemu process

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Severity

Moderate

Red Hat Product Security

2.3

CVSS 2.0

Review impact separately from score.

Published · July 11, 2013

Updated · November 21, 2025

Description

Use-after-free vulnerability in the virtio-pci implementation in Qemu 1.4.0 through 1.6.0 allows local users to cause a denial of service (daemon crash) by "hot-unplugging" a virtio device.

Statement

Not vulnerable. This issue did not affect the version of qemu-kvm as shipped in Red Hat Enterprise Linux 5 and 6.

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 2.0 · 2.3
AV:A/AC:M/Au:S/C:N/I:N/A:P

CWE not specified