VULNERABILITY INTELLIGENCE

CVE-2023-3301

CVSS score5.6 MEDIUM
EPSS probability0.26%
CISA KEVNot currently listed
Published2023-09-13
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:N/I:N/A:H

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.

Weakness classification

  • secalert@redhat.com: CWE-617
  • nvd@nist.gov: CWE-362

Primary references