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.
Analysis and contextual insights are available on OpenCVE Cloud.
Remediation
No vendor fix or workaround currently provided.
Additional remediation guidance may be available on OpenCVE Cloud.
Tracking
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Advisories
| Source | ID | Title |
|---|---|---|
Debian DLA |
DLA-2469-1 | qemu security update |
Debian DLA |
DLA-3099-1 | qemu security update |
EUVD |
EUVD-2020-18377 | 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. |
Ubuntu USN |
USN-4650-1 | QEMU vulnerabilities |
References
History
No history.
Status: PUBLISHED
Assigner: redhat
Published:
Updated: 2024-08-04T15:40:36.594Z
Reserved: 2020-09-16T00:00:00.000Z
Link: CVE-2020-25723
No data.
Status : Modified
Published: 2020-12-02T01:15:12.733
Modified: 2024-11-21T05:18:34.810
Link: CVE-2020-25723
OpenCVE Enrichment
No data.
Weaknesses
Debian DLA
EUVD
Ubuntu USN