CyberRota Analysis
This is a medium severity vulnerability with a CVSS score of 6.5. It may lead to a denial-of-service condition.
CVE
CVE-2021-20196
Severity
MEDIUM
CVSS
6.5
EPSS
0.48%
Original NVD Description
A NULL pointer dereference flaw was found in the floppy disk emulator of QEMU. This issue occurs while processing read/write ioport commands if the selected floppy drive is not initialized with a block device. This flaw allows a privileged guest user to crash the QEMU process on the host, resulting in a denial of service. The highest threat from this vulnerability is to system availability.
Related CVEs
Other vulnerabilities affecting the same vendor(s)