cve/2021/CVE-2021-3507.md

CVE-2021-3507

Description

A heap buffer overflow was found in the floppy disk emulator of QEMU up to 6.0.0 (including). It could occur in fdctrl_transfer_handler() in hw/block/fdc.c while processing DMA read data transfers from the floppy drive to the guest system. A privileged guest user could use this flaw to crash the QEMU process on the host resulting in DoS scenario, or potential information leakage from the host memory.

POC

Reference

No PoCs from references.

Github

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