CVE-2023-3301

MEDIUM

QEMU < 8.0.3 - Denial of Service via Hot-Unplug Race Condition

Title source: llm
STIX 2.1

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.

References (3)

Core 3
Core References
Patch, Third Party Advisory vdb-entry x_refsource_redhat
https://access.redhat.com/security/cve/CVE-2023-3301
Issue Tracking, Third Party Advisory issue-tracking x_refsource_redhat
https://bugzilla.redhat.com/show_bug.cgi?id=2215784

Scores

CVSS v3 5.6
EPSS 0.0025
EPSS Percentile 16.2%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-362 CWE-617
Status published
Products (3)
qemu/qemu < 8.0.3
redhat/enterprise_linux 8.0
redhat/enterprise_linux 9.0
Published Sep 13, 2023
Tracked Since Feb 18, 2026