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CVE-2023-3301

17
FAUCET Score

CVE-2023-3301 is a race condition vulnerability in QEMU, affecting QEMU and Red Hat Enterprise Linux. A malicious guest operating system can exploit the asynchronous nature of hot-unplugging network devices to trigger an assertion, leading to a denial of service. The vulnerability has a CVSS score of 5.6 (Medium), indicating a local attack vector with high attack complexity, requiring low privileges, and resulting in high availability impact. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
<= 8.0.3CPE matchmatch criteria
cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:*
8.0CPE matchmatch criteria
cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*
9.0CPE matchmatch criteria
cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:*
All Versions ImpactedCPE match
cpe:2.3:o:fedoraproject:fedora:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

5.6MEDIUM

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

Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
1.1
Impact Score
4.0
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.25%
Probability of exploitation in next 30 days
EPSS Percentile
16.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0025 is in the 59th percentile among its peer group of 1,297 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.4 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (13)

microsoftpatch availablevia msrc
Product: azl3 qemu 6.2.0-18 on Azure Linux 3.0Fixed in: 8.2.0-1
microsoftpatch availablevia msrc
Product: azl3 qemu 8.2.0-1 on Azure Linux 3.0Fixed in: 8.2.0-1
microsoftpatch availablevia msrc
Product: cbl2 qemu 6.2.0-23 on CBL Mariner 2.0Fixed in: 6.2.0-23
microsoftpatch availablevia msrc
Product: 18160-16823Fixed in: 6.2.0-23
microsoftpatch availablevia msrc
Product: 18535-17084Fixed in: 8.2.0-1
microsoftpatch availablevia msrc
Product: 18233-17084Fixed in: 8.2.0-1
microsoftpatch availablevia msrc
Product: Azure Linux 3.0 ARMFixed in: 8.2.0-1
microsoftpatch availablevia msrc
Product: Azure Linux 3.0 x64Fixed in: 8.2.0-1
redhatpatch availablevia nvd_reference
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: virt-devel:rhel-8090020230927071820.b46abd14
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: virt:rhel-8090020230927071820.b46abd14
View patch
redhatno patchvia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: qemu-kvm
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 8 Advanced VirtualizationFixed in: virt:av/qemu-kvm

Vendor Advisories (3)

microsoft2024-Sep/CVE-2023-3301

CVE-2023-3301

Sep 10, 2024
microsoft2023-Sep/CVE-2023-3301Moderate

Triggerable assertion due to race condition in hot-unplug

Sep 12, 2023
redhatCVE-2023-3301Moderate

QEMU: net: triggerable assertion due to race condition in hot-unplug

Jun 19, 2023

References

access.redhat.com / security/cve/CVE-2023-3301
PatchThird Party Advisory
bugzilla.redhat.com / show_bug.cgi
Issue TrackingThird Party Advisory
security.netapp.com / advisory/ntap-20231020-0008
Third Party Advisory