VulnerabilityModified
CVE-2020-27661
A malicious guest could use this flaw to crash the QEMU process on the host, resulting in a denial of service.
MEDIUM 6.5EPSS 0.31%
Does this matter?
Lower severity and a low EPSS score (0.31%). Track it; it rarely justifies an emergency change on its own.
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.
- CVSS 3.1
- 6.5 MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
- EPSS
- 0.31% probability · 24th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-369
- Affected
- qemu/qemu
- Source
- cve@mitre.org
References
- https://bugzilla.redhat.com/show_bug.cgi?id=1890653Issue Tracking, Patch, Third Party Advisory
- https://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=bea2a9e3e00b275dc40cfa09c760c715b8753e03
- https://lists.nongnu.org/archive/html/qemu-devel/2020-10/msg04263.htmlMailing List, Patch, Third Party Advisory
- https://security.netapp.com/advisory/ntap-20210720-0010/Third Party Advisory
- https://www.mail-archive.com/debian-bugs-dist%40lists.debian.org/msg1770368.html
- https://bugzilla.redhat.com/show_bug.cgi?id=1890653Issue Tracking, Patch, Third Party Advisory
- https://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=bea2a9e3e00b275dc40cfa09c760c715b8753e03
- https://lists.nongnu.org/archive/html/qemu-devel/2020-10/msg04263.htmlMailing List, Patch, Third Party Advisory
- https://security.netapp.com/advisory/ntap-20210720-0010/Third Party Advisory
- https://www.mail-archive.com/debian-bugs-dist%40lists.debian.org/msg1770368.html
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.