CVEvulnerability
CVE-2020-27661
6.5 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2021-06-02
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 6.5 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
- CVSS 2.0 ([email protected])
- 2.1 LOW — AV:L/AC:L/Au:N/C:N/I:N/A:P
- Weaknesses
- CWE-369
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.
Affected configurations
• qemu qemu (<= 5.1.1)
Related
Weakness · CWE (1)
- CWE-369 Divide By Zero weakness
References
- https://bugzilla.redhat.com/show_bug.cgi?id=1890653 Issue Tracking, Patch, Third Party Advisory
- https://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=bea2a9e3e00b275dc40cfa09c760c715b8753e03 git.qemu.org
- https://lists.nongnu.org/archive/html/qemu-devel/2020-10/msg04263.html Mailing 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 www.mail-archive.com
- https://bugzilla.redhat.com/show_bug.cgi?id=1890653 Issue Tracking, Patch, Third Party Advisory
- https://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=bea2a9e3e00b275dc40cfa09c760c715b8753e03 git.qemu.org
- https://lists.nongnu.org/archive/html/qemu-devel/2020-10/msg04263.html Mailing 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 www.mail-archive.com