Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2024-7409

22
FAUCET Score

CVE-2024-7409 describes a denial-of-service vulnerability in the QEMU NBD Server, stemming from improper synchronization during socket closure. This flaw allows an unauthenticated attacker to disrupt service by maintaining an open socket as the server goes offline. Rated with a CVSS score of 7.5 (High), the vulnerability is easily exploitable over the network with high impact on availability. Currently, there is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
Red HatRed Hat Enterprise Linux 8 Advanced Virtualization
All Versions ImpactedCNA affecteddefault affected
Red HatRed Hat Enterprise Linux 8
Range not provided by sourceCNA affecteddefault affected
Red HatRed Hat Enterprise Linux 9
Range not provided by sourceCNA affecteddefault affected
Red HatRed Hat Enterprise Linux 9.2 Extended Update Support
Range not provided by sourceCNA affecteddefault affected
Red HatRed Hat Enterprise Linux 9.4 Extended Update Support
Range not provided by sourceCNA affecteddefault affected

CVSS Data

CVSS version used by this source: 3.0

7.5HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.0

Exploit Intelligence

EPSS Score
1.03%
Probability of exploitation in next 30 days
EPSS Percentile
60.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0103 is in the 37th percentile among its peer group of 51,551 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (24)

microsoftpatch availablevia msrc
Product: 20035-17084Fixed in: 8.2.0-18
microsoftpatch availablevia msrc
Product: 20602-17086Fixed in: 6.2.0-26
microsoftpatch availablevia msrc
Product: cbl2 qemu 6.2.0-25 on CBL Mariner 2.0Fixed in: 6.2.0-26
microsoftpatch availablevia msrc
Product: azl3 qemu 8.2.0-17 on Azure Linux 3.0Fixed in: 8.2.0-18
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 9.2 Extended Update SupportFixed in: qemu-kvm-17:7.2.0-14.el9_2.14
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 9.4 Extended Update SupportFixed in: qemu-kvm-17:8.2.0-11.el9_4.8
View patch
redhatpatch availablevia redhat_api
Product: Red Hat OpenShift Container Platform 4.13Fixed in: rhcos-413.92.202411212100-0
View patch
redhatpatch availablevia redhat_api
Product: Red Hat OpenShift Container Platform 4.13Fixed in: rhcos-413.92.202409180051-0
View patch
redhatpatch availablevia redhat_api
Product: Red Hat OpenShift Container Platform 4.14Fixed in: rhcos-414.92.202411130444-0
View patch
redhatpatch availablevia redhat_api
Product: Red Hat OpenShift Container Platform 4.15Fixed in: rhcos-415.92.202411050056-0
View patch
redhatpatch availablevia redhat_api
Product: Red Hat OpenShift Container Platform 4.16Fixed in: rhcos-416.94.202411261619-0
View patch
redhatpatch availablevia redhat_api
Product: Red Hat OpenShift Container Platform 4.17Fixed in: rhcos-417.94.202411261220-0
View patch
redhatpatch availablevia redhat_api
Product: Red Hat OpenShift Container Platform 4.15Fixed in: rhcos-415.92.202409162258-0
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: virt-devel:rhel-8100020240905091210.489197e6
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: virt:rhel-8100020240905091210.489197e6
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: qemu-kvm-17:9.0.0-10.el9_5
View patch
ubuntupatch availablevia ubuntu_usn
Product: qemu (focal)Fixed in: 1:4.2-3ubuntu6.30+esm1
ubuntupatch availablevia ubuntu_usn
Product: qemu (bionic)Fixed in: 1:2.11+dfsg-1ubuntu7.42+esm5
ubuntupatch availablevia ubuntu_usn
Product: qemu (xenial)Fixed in: 1:2.5+dfsg-5ubuntu10.51+esm4
ubuntupatch availablevia ubuntu_usn
Product: qemu (trusty)Fixed in: 2.0.0+dfsg-2ubuntu1.47+esm6
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 8 Advanced VirtualizationFixed in: virt:8.2/qemu-kvm
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 8 Advanced VirtualizationFixed in: virt:av/qemu-kvm
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 8 Advanced VirtualizationFixed in: virt-devel:8.2/qemu-kvm
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 8 Advanced VirtualizationFixed in: virt-devel:av/qemu-kvm

Vendor Advisories (3)

ubuntuUSN-8412-1

QEMU vulnerabilities

Jun 9, 2026
microsoft2024-Aug/CVE-2024-7409

Qemu: denial of service via improper synchronization in qemu nbd server during socket closure

Aug 13, 2024
redhatCVE-2024-7409Moderate

QEMU: Denial of Service via Improper Synchronization in QEMU NBD Server During Socket Closure

Aug 2, 2024

References

lists.debian.org / debian-lts-announce/2025/09/msg00011.html
security.netapp.com / advisory/ntap-20250502-0008
access.redhat.com / errata/RHSA-2024:10518
access.redhat.com / errata/RHSA-2024:10528
access.redhat.com / errata/RHSA-2024:10813
access.redhat.com / errata/RHSA-2024:6811
access.redhat.com / errata/RHSA-2024:6818
access.redhat.com / errata/RHSA-2024:6964
access.redhat.com / errata/RHSA-2024:7408
access.redhat.com / errata/RHSA-2024:8991
access.redhat.com / errata/RHSA-2024:9136
access.redhat.com / errata/RHSA-2024:9620
access.redhat.com / errata/RHSA-2024:9912
access.redhat.com / security/cve/CVE-2024-7409
bugzilla.redhat.com / show_bug.cgi