CVE-2020-27661

 

Published at: - 02-06-2021 06:15

Last modified: - 13-05-2022 07:28

Total changes: - 4

Description

A divide-by-zero issue was found in dwc2_handle_packet in hw/usb/hcd-dwc2.c in the hcd-dwc2 USB host controller emulation of QEMU. A malicious guest could use this flaw to crash the QEMU process on the host, resulting in a denial of service.

Common Vulnerability Scoring System (CVSS)

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H

 

Verification logic

 

Reference

• https://www.mail-archive.com/debian-bugs-dist@lists.debian.org/msg1770368.html
• https://lists.nongnu.org/archive/html/qemu-devel/2020-10/msg04263.html
• https://bugzilla.redhat.com/show_bug.cgi?id=1890653
• https://git.qemu.org/?p=qemu.git;a=commit;h=bea2a9e3e00b275dc40cfa09c760c715b8753e03
• https://security.netapp.com/advisory/ntap-20210720-0010/

 

Keywords

NVD

 

CVE-2020-27661

 

CVE

 

Common vulnerabilities & exposures

 

CVSS

 

Common vulnerability scoring system

 

Security

 

Vulnerabilities

 

Exposures