CVE-2023-3301

Triggerable assertion due to race condition in hot-unplug

Published Sep 13, 2023 CVSS 3.1 · 5.6 Medium EPSS < 1% KEV · Not listed
Description
A flaw was found in QEMU. The async nature of hot-unplug enables a race scenario where the net device backend is cleared before the virtio-net pci frontend has been unplugged. A malicious guest could use this time window to trigger an assertion and cause a denial of service.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2023-43974 A flaw was found in QEMU. The async nature of hot-unplug enables a race scenario where the net device backend is cleared before the virtio-net pci frontend has been unplugged. A malicious guest could use this time window to trigger an assertion and cause a denial of service.
Ubuntu USN Ubuntu USN USN-6567-1 QEMU vulnerabilities
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
redhat
Published
Updated
Feb 13, 2025, 4:55 PM
Reserved
Jun 17, 2023, 4:48 PM
Status
Modified
Published
Sep 13, 2023, 5:15 PM
Modified
Jun 17, 2026, 6:13 AM
Severity
Moderate
Public date
Jun 19, 2023, 12:00 AM