Denial of Service Vulnerability in QEMU USB xHCI Controller Emulation

Denial of Service Vulnerability in QEMU USB xHCI Controller Emulation

CVE-2020-14394 · LOW Severity

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:L

An infinite loop flaw was found in the USB xHCI controller emulation of QEMU while computing the length of the Transfer Request Block (TRB) Ring. This flaw allows a privileged guest user to hang the QEMU process on the host, resulting in a denial of service.

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