CVE-2020-14394

QEMU: infinite loop in xhci_ring_chain_length() in hw/usb/hcd-xhci.c

Published Aug 17, 2022 CVSS 3.1 · 3.2 Low EPSS < 1% KEV · Not listed
Description
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DLA Debian DLA DLA-3362-1 qemu security update
EUVD EUVD EUVD-2020-6533 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.
Ubuntu USN Ubuntu USN USN-6567-1 QEMU vulnerabilities
Ubuntu USN Ubuntu USN USN-8412-1 QEMU vulnerabilities
History

No history.

Weaknesses

Sources

Status
PUBLISHED
Assigner
redhat
Published
Updated
Aug 4, 2024, 12:46 PM
Reserved
Jun 17, 2020, 12:00 AM
Status
Modified
Published
Aug 17, 2022, 9:15 PM
Modified
Jun 17, 2026, 2:54 AM
Severity
Low
Public date
Dec 15, 2020, 12:00 AM