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.
Published: 2020-12-02
Score: 3.2 Low
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories
Source ID Title
Debian DLA Debian DLA DLA-2469-1 qemu security update
Debian DLA Debian DLA DLA-3099-1 qemu security update
EUVD 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 Ubuntu USN USN-4650-1 QEMU vulnerabilities
History

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Subscriptions

Debian Debian Linux
Qemu Qemu
Redhat Advanced Virtualization Enterprise Linux Rhel Eus
cve-icon MITRE

Status: PUBLISHED

Assigner: redhat

Published:

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

Reserved: 2020-09-16T00:00:00.000Z

Link: CVE-2020-25723

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

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

Modified: 2024-11-21T05:18:34.810

Link: CVE-2020-25723

cve-icon Redhat

Severity : Low

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

Links: CVE-2020-25723 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses