CVE-2017-9375

Qemu: usb: xhci infinite recursive call via xhci_kick_ep

Severity Score

5.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

QEMU (aka Quick Emulator), when built with USB xHCI controller emulator support, allows local guest OS privileged users to cause a denial of service (infinite recursive call) via vectors involving control transfer descriptors sequencing.

QEMU (conocido como Quick Emulator), cuando se ensambla con el soporte del emulador controlador xHCI USB, permite a los usuarios privilegiados del sistema operativo invitado local causar una denegación de servicio (llamada recursiva infinita) por medio de vectores que involucran la secuencia de descriptores de transferencia de control.

*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

Medium

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-835: Loop with Unreachable Exit Condition ('Infinite Loop')

CAPEC

References (9)

URL	Tag	Source
http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=96d87bdda3919bb16f754b3d3fd1227e1f38f13c	X_refsource_confirm
http://www.securityfocus.com/bid/98915	Third Party Advisory
https://lists.debian.org/debian-lts-announce/2019/09/msg00021.html	Mailing List

URL	Date	SRC

URL	Date	SRC
http://www.openwall.com/lists/oss-security/2017/06/05/2	2023-11-07
https://bugzilla.redhat.com/show_bug.cgi?id=1458744	2017-08-01

URL	Date	SRC
http://www.debian.org/security/2017/dsa-3991	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-2017-9375	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
Debian Search vendor "Debian"		Debian Linux Search vendor "Debian" for product "Debian Linux"				8.0 Search vendor "Debian" for product "Debian Linux" and version "8.0"		-		Affected
Debian Search vendor "Debian"		Debian Linux Search vendor "Debian" for product "Debian Linux"				9.0 Search vendor "Debian" for product "Debian Linux" and version "9.0"		-		Affected