CVE-2017-9374

Qemu: usb: ehci host memory leakage during hotunplug

Severity Score

5.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

Memory leak in QEMU (aka Quick Emulator), when built with USB EHCI Emulation support, allows local guest OS privileged users to cause a denial of service (memory consumption) by repeatedly hot-unplugging the device.

Una pérdida de memoria en QEMU (conocido como Quick Emulator), cuando se ensambla con el soporte de emulación EHCI USB, permite a los usuarios privilegiados del sistema operativo invitado local causar una denegación de servicio (consumo de memoria) mediante una desconexión del dispositivo repetidamente.

*Credits: N/A

CVSS Scores

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Attack Vector

Adjacent

Attack Complexity

High

Privileges Required

Low

User Interaction

None

Scope

Changed

Confidentiality

None

Integrity

None

Availability

Low

Attack Vector

Local

Attack Complexity

Low

Authentication

None

Confidentiality

None

Integrity

None

Availability

Partial

Attack Vector

Adjacent

Attack Complexity

Medium

Authentication

Single

Confidentiality

None

Integrity

None

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2017-06-02 CVE Reserved
2017-06-16 CVE Published
2023-03-08 EPSS Updated
2024-08-05 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-401: Missing Release of Memory after Effective Lifetime
CWE-772: Missing Release of Resource after Effective Lifetime

CAPEC

References (9)

URL	Tag	Source
http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=d710e1e7bd3d5bfc26b631f02ae87901ebe646b0	X_refsource_confirm
http://www.securityfocus.com/bid/98905	Third Party Advisory
https://lists.debian.org/debian-lts-announce/2018/09/msg00007.html	Mailing List

URL	Date	SRC

URL	Date	SRC
http://www.openwall.com/lists/oss-security/2017/06/06/3	2023-11-07
https://bugzilla.redhat.com/show_bug.cgi?id=1459132	2017-08-01

URL	Date	SRC
http://www.debian.org/security/2017/dsa-3920	2023-11-07
https://access.redhat.com/errata/RHSA-2017:2392	2023-11-07
https://access.redhat.com/errata/RHSA-2017:2408	2023-11-07
https://access.redhat.com/security/cve/CVE-2017-9374	2017-08-01

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Qemu Search vendor "Qemu"		Qemu Search vendor "Qemu" for product "Qemu"				<= 2.8.1.1 Search vendor "Qemu" for product "Qemu" and version " <= 2.8.1.1"		-		Affected