VULNERABILITY INTELLIGENCE

CVE-2020-25723

CVSS score3.2 LOW
EPSS probability0.36%
CISA KEVNot currently listed
Published2020-12-02
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:L

Description

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.

Weakness classification

  • secalert@redhat.com: CWE-617
  • nvd@nist.gov: CWE-617

Primary references