Vulnerabilities > CVE-2021-3713

047910
CVSS 7.4 - HIGH
Attack vector
PHYSICAL
Attack complexity
LOW
Privileges required
LOW
Confidentiality impact
HIGH
Integrity impact
HIGH
Availability impact
HIGH
low complexity
qemu
debian

Summary

An out-of-bounds write flaw was found in the UAS (USB Attached SCSI) device emulation of QEMU in versions prior to 6.2.0-rc0. The device uses the guest supplied stream number unchecked, which can lead to out-of-bounds access to the UASDevice->data3 and UASDevice->status3 fields. A malicious guest user could use this flaw to crash QEMU or potentially achieve code execution with the privileges of the QEMU process on the host.

Vulnerable Configurations

Part Description Count
Application
Qemu
355
OS
Debian
3