A reachable assertion issue was found in the USB EHCI emulation code of QEMU. It could occur while processing USB requests due to missing handling of DMA memory map failure. A malicious privileged user within the guest may abuse this flaw to send bogus USB requests and crash the QEMU process on the host, resulting in a denial of service.
History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: redhat

Published: 2020-12-02T00:52:10

Updated: 2024-08-04T15:40:36.594Z

Reserved: 2020-09-16T00:00:00

Link: CVE-2020-25723

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Analyzed

Published: 2020-12-02T01:15:12.733

Modified: 2022-09-30T19:19:34.610

Link: CVE-2020-25723

cve-icon Redhat

Severity : Low

Publid Date: 2020-08-12T00:00:00Z

Links: CVE-2020-25723 - Bugzilla