Vulnerability in Qemu
CVE-2020-27661
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.003 (21.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 22nd percentile — 21.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000
Affected products
Weakness classification (CWE)
References
- lists.nongnu.org/archive/html/qemu-devel/2020-10/msg04263.html (Patch, Mailing List, Third Party Advisory)
- bugzilla.redhat.com/show_bug.cgi (Patch, Third Party Advisory, Issue Tracking)
- www.mail-archive.com/debian-bugs-dist@lists.debian.org/msg1770368.html
- git.qemu.org/
- security.netapp.com/advisory/ntap-20210720-0010/ (Third Party Advisory)
Frequently asked questions
- What is CVE-2020-27661?
- CVE-2020-27661 is a medium-severity vulnerability in Qemu, classified under Divide By Zero. CVSS score: 6.5/10. Published 2021-06-02.
- How severe is CVE-2020-27661?
- Medium severity. CVSS v3 base score is 6.5 out of 10.