This security bulletin contains one medium risk vulnerability.
CWE-416 - Use After Free
Exploit availability: NoDescription
The vulnerability allows a remote user to perform a denial of service (DoS) attack.
The vulnerability exists due to a use-after-free error in USB(xHCI/eHCI) controller emulators of QEMU in hw/usb/hcd-xhci.c and hw/usb/hcd-ehci.c files when processing USB packets. A remote user on the guest operating system can send specially crafted data to the controller, trigger a use-after-free error and crash the QEMU process.
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.Vulnerable software versions
QEMU: 1.3.0 - 5.1.0
Can this vulnerability be exploited remotely?
How the attacker can exploit this vulnerability?
Is there known malware, which exploits this vulnerability?