Quick Emulator (Qemu) built with the USB redirector usb-guest support is vulnerable to a memory leakage flaw. It could occur while destroying the USB redirector in 'usbredir_handle_destroy'. A guest user/process could use this issue to leak host memory, resulting in DoS for a host.
Exploitability
AV:LAC:LPR:LUI:NScope
S:CImpact
C:NI:NA:H6.5/CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H