CVEs-PoC/2021/CVE-2021-20196.md

CVE-2021-20196

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.

POC

Reference

No PoCs from references.

Github

• https://github.com/ARPSyndicate/cvemon