Divide By Zero Affecting qemu package, versions <1:5.2+dfsg-1
Snyk CVSS
Attack Complexity
Low
Scope
Changed
Availability
High
Threat Intelligence
EPSS
0.05% (13th
percentile)
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Test your applications- Snyk ID SNYK-DEBIAN12-QEMU-1558333
- published 23 Oct 2020
- disclosed 2 Jun 2021
Introduced: 23 Oct 2020
CVE-2020-27661 Open this link in a new tabHow to fix?
Upgrade Debian:12
qemu
to version 1:5.2+dfsg-1 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream qemu
package and not the qemu
package as distributed by Debian
.
See How to fix?
for Debian:12
relevant fixed versions and status.
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.
References
- https://security-tracker.debian.org/tracker/CVE-2020-27661
- https://bugzilla.redhat.com/show_bug.cgi?id=1890653
- https://git.qemu.org/?p=qemu.git;a=commit;h=bea2a9e3e00b275dc40cfa09c760c715b8753e03
- https://lists.nongnu.org/archive/html/qemu-devel/2020-10/msg04263.html
- https://www.mail-archive.com/debian-bugs-dist@lists.debian.org/msg1770368.html
- https://security.netapp.com/advisory/ntap-20210720-0010/
- https://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=bea2a9e3e00b275dc40cfa09c760c715b8753e03
- https://www.mail-archive.com/debian-bugs-dist%40lists.debian.org/msg1770368.html