CVE-2023-3301

Triggerable assertion due to race condition in hot-unplug

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.

Categories

5.6
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.01%
Third-Party Advisory redhat.com Third-Party Advisory redhat.com Third-Party Advisory netapp.com
Affected: n/a qemu
Affected: Red Hat Red Hat Enterprise Linux 6
Affected: Red Hat Red Hat Enterprise Linux 7
Affected: Red Hat Red Hat Enterprise Linux 7
Affected: Red Hat Red Hat Enterprise Linux 8
Affected: Red Hat Red Hat Enterprise Linux 8 Advanced Virtualization
Affected: Red Hat Red Hat Enterprise Linux 9
Affected: Red Hat Red Hat OpenStack Platform 13 (Queens)
Affected: Fedora Extra Packages for Enterprise Linux
Affected: Fedora Fedora
Published at:
Updated at:

References

Frequently Asked Questions

What is the severity of CVE-2023-3301?
CVE-2023-3301 has been scored as a medium severity vulnerability.
How to fix CVE-2023-3301?
To fix CVE-2023-3301, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2023-3301 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2023-3301 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-3301?
CVE-2023-3301 affects n/a qemu, Red Hat Red Hat Enterprise Linux 6, Red Hat Red Hat Enterprise Linux 7, Red Hat Red Hat Enterprise Linux 7, Red Hat Red Hat Enterprise Linux 8, Red Hat Red Hat Enterprise Linux 8 Advanced Virtualization, Red Hat Red Hat Enterprise Linux 9, Red Hat Red Hat OpenStack Platform 13 (Queens), Fedora Extra Packages for Enterprise Linux, Fedora Fedora.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.