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CVE-2024-7409— Qemu: denial of service via improper synchronization in qemu nbd server during socket closure

Quick assessment

Affected
CVE-2024-7409
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

QEMU NBD Server是QEMU开源的一个 QEMU 磁盘网络块设备服务器。 QEMU NBD Server存在安全漏洞，该漏洞源于当服务器离线时，客户端保持套接字打开，此漏洞可通过套接字关闭期间的不正确同步来发起拒绝服务攻击。

AI Predicted 5.3 Difficulty: Moderate EPSS 1.03% · P63

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service

Affected Version Matrix 24

VendorProduct Version RangeStatus
None None 7.2.0 unaffected
8.2.0 unaffected
9.0.0 unaffected
Red Hat Red Hat Enterprise Linux 10 any unaffected
Red Hat Red Hat Enterprise Linux 6 any unknown
Red Hat Red Hat Enterprise Linux 7 any unknown
any unknown
Red Hat Red Hat Enterprise Linux 8 8100020240905091210.489197e6< * unaffected
8100020240905091210.489197e6< * unaffected
Red Hat Red Hat Enterprise Linux 8 Advanced Virtualization any affected
any affected
any affected
any affected
Red Hat Red Hat Enterprise Linux 9 17:9.0.0-10.el9_5< * unaffected
Red Hat Red Hat Enterprise Linux 9.2 Extended Update Support 17:7.2.0-14.el9_2.14< * unaffected
Red Hat Red Hat Enterprise Linux 9.4 Extended Update Support 17:8.2.0-11.el9_4.8< * unaffected
Red Hat Red Hat OpenShift Container Platform 4 any affected
Red Hat Red Hat OpenShift Container Platform 4.13 413.92.202411212100-0< * unaffected
413.92.202409180051-0< * unaffected
Red Hat Red Hat OpenShift Container Platform 4.14 414.92.202411130444-0< * unaffected
Red Hat Red Hat OpenShift Container Platform 4.15 415.92.202409162258-0< * unaffected
415.92.202411050056-0< * unaffected
Red Hat Red Hat OpenShift Container Platform 4.16 416.94.202411261619-0< * unaffected
Red Hat Red Hat OpenShift Container Platform 4.17 417.94.202411261220-0< * unaffected

I. Basic Information for CVE-2024-7409

Vulnerability Information
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Vulnerability Title
Qemu: denial of service via improper synchronization in qemu nbd server during socket closure
Source: CVE Program / CVE List V5
Vulnerability Description
A flaw was found in the QEMU NBD Server. This vulnerability allows a denial of service (DoS) attack via improper synchronization during socket closure when a client keeps a socket open as the server is taken offline.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
不恰当的同步机制
Source: CVE Program / CVE List V5
Vulnerability Title
QEMU NBD Server 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
QEMU NBD Server是QEMU开源的一个 QEMU 磁盘网络块设备服务器。 QEMU NBD Server存在安全漏洞，该漏洞源于当服务器离线时，客户端保持套接字打开，此漏洞可通过套接字关闭期间的不正确同步来发起拒绝服务攻击。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
- - 7.2.0 -
Red Hat Red Hat Enterprise Linux 8 8100020240905091210.489197e6 ~ * cpe:/a:redhat:enterprise_linux:8::appstream
Red Hat Red Hat Enterprise Linux 8 8100020240905091210.489197e6 ~ * cpe:/a:redhat:enterprise_linux:8::appstream
Red Hat Red Hat Enterprise Linux 9 17:9.0.0-10.el9_5 ~ * cpe:/a:redhat:enterprise_linux:9::appstream
Red Hat Red Hat Enterprise Linux 9.2 Extended Update Support 17:7.2.0-14.el9_2.14 ~ * cpe:/a:redhat:rhel_eus:9.2::appstream
Red Hat Red Hat Enterprise Linux 9.4 Extended Update Support 17:8.2.0-11.el9_4.8 ~ * cpe:/a:redhat:rhel_eus:9.4::appstream
Red Hat Red Hat OpenShift Container Platform 4.13 413.92.202411212100-0 ~ * cpe:/a:redhat:openshift:4.13::el8
Red Hat Red Hat OpenShift Container Platform 4.13 413.92.202409180051-0 ~ * cpe:/a:redhat:openshift:4.13::el8
Red Hat Red Hat OpenShift Container Platform 4.14 414.92.202411130444-0 ~ * cpe:/a:redhat:openshift:4.14::el8
Red Hat Red Hat OpenShift Container Platform 4.15 415.92.202409162258-0 ~ * cpe:/a:redhat:openshift:4.15::el8
Red Hat Red Hat OpenShift Container Platform 4.15 415.92.202411050056-0 ~ * cpe:/a:redhat:openshift:4.15::el8
Red Hat Red Hat OpenShift Container Platform 4.16 416.94.202411261619-0 ~ * cpe:/a:redhat:openshift:4.16::el9
Red Hat Red Hat OpenShift Container Platform 4.17 417.94.202411261220-0 ~ * cpe:/a:redhat:openshift:4.17::el9
Red Hat Red Hat Enterprise Linux 10 - cpe:/o:redhat:enterprise_linux:10
Red Hat Red Hat Enterprise Linux 6 - cpe:/o:redhat:enterprise_linux:6
Red Hat Red Hat Enterprise Linux 7 - cpe:/o:redhat:enterprise_linux:7
Red Hat Red Hat Enterprise Linux 7 - cpe:/o:redhat:enterprise_linux:7
Red Hat Red Hat Enterprise Linux 8 Advanced Virtualization - cpe:/a:redhat:advanced_virtualization:8::el8
Red Hat Red Hat Enterprise Linux 8 Advanced Virtualization - cpe:/a:redhat:advanced_virtualization:8::el8
Red Hat Red Hat Enterprise Linux 8 Advanced Virtualization - cpe:/a:redhat:advanced_virtualization:8::el8
Red Hat Red Hat Enterprise Linux 8 Advanced Virtualization - cpe:/a:redhat:advanced_virtualization:8::el8
Red Hat Red Hat OpenShift Container Platform 4 - cpe:/a:redhat:openshift:4

II. Public POCs for CVE-2024-7409

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2024-7409

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Vendor Advisories for CVE-2024-7409 (11)

IV. Related Vulnerabilities

Same weakness: CWE-662

V. Comments for CVE-2024-7409

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