Vulnerability identifier: #VU6947

Vulnerability risk: Low

CVSSv3.1: 2.3 [CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2017-9330

CWE-ID: CWE-835

Exploitation vector: Local network

Exploit availability: No

Vulnerable software:
QEMU
Client/Desktop applications / Virtualization software

Vendor: QEMU

Description
Quick Emulator built with the USB OHCI Emulation support is vulnerable to an infinite loop issue. It could occur while processing an endpoint list descriptor in ohci_service_ed_list(). A guest user/process could use this flaw to crash Qemu process resulting in DoS.

Mitigation
Update to version 2.9.0-r2.

Vulnerable software versions

QEMU: 0.1 - 2.9.0

---

External links
http://git.qemu.org/?p=qemu.git;a=commitdiff;h=26f670a244982335cc08943fb1ec099a2c81e42d

---

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the local network (LAN).

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.