CVE-2023-3301 MEDIUM

CVE-2023-3301: Triggerable assertion due to race condition in hot-unplug

Vendor Red Hat
Product Red Hat Enterprise Linux 6
Weakness CWE-617
Published September 13, 2023
Last update February 13, 2025

CVSS base score

5.6/10
Attack vector Local
Attack complexity High
Privileges required Low
User interaction None
Confidentiality None
Integrity None

CVSS vector

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:N/I:N/A:H

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

September 13, 2023 CVE published
February 13, 2025 Record updated