CVE-2020-27661
6.5
MEDIUM
CVSS 3.1
EPSS 0.18%
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.
How to fix CVE-2020-27661
To remediate CVE-2020-27661, upgrade the affected package to a fixed version below.
- Debian/qemu—upgrade to 1:5.2+dfsg-1 or later
Is CVE-2020-27661 being exploited?
Low — EPSS is 0.2%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 1:5.2+dfsg-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM6.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H |