DEBIAN-CVE-2020-25723

Advisory lineage Upstream: 1 Downstream: 2
Upstream
CVE-2020-25723
Published: 02 Dec 2020, 01:15
Last modified:28 Apr 2026, 20:19

Vulnerability Summary

Overall Risk (default)
low
13/100
CVSS Score
3.2 LOW
3.1 (osv_debian)
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

02 Dec 2020, 01:15
Published
Vulnerability first disclosed
28 Apr 2026, 20:19
Last Modified
Vulnerability information updated

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.

CVSS Metrics

  • v3.1•LOW•Score: 3.2CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:L

Affected Systems

  • debian•qemu

    < 1:5.2+dfsg-1 | < 1:5.2+dfsg-1 | < 1:5.2+dfsg-1 | < 1:5.2+dfsg-1

References (1)