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CVE-2024-2182— Ovn: insufficient validation of bfd packets may lead to denial of service

Quick assessment

Affected
CVE-2024-2182
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.

Open Virtual Network(OVN)是Open Virtual Network开源的一个开放虚拟网络。 Open Virtual Network (OVN) 存在访问控制错误漏洞,该漏洞源于在虚拟机管理程序之间使用 BFD 来实现高可用性 OVN 集群,攻击者利用该漏洞可以使用负载注入特制的 BFD 数据包,从而触发拒绝服务。

CVSS 6.5 · Medium EPSS 0.78% · P56

Affected Version Matrix 39

VendorProduct Version RangeStatus
None None 20.03.0< * affected
Red Hat Fast Datapath for Red Hat Enterprise Linux 8 0:23.06.1-112.el8fdp< * unaffected
0:22.12.1-94.el8fdp< * unaffected
0:22.03.3-71.el8fdp< * unaffected
0:23.03.1-100.el8fdp< * unaffected
0:21.12.0-142.el8fdp< * unaffected
Red Hat Fast Datapath for Red Hat Enterprise Linux 9 0:23.09.0-136.el9fdp< * unaffected
0:23.06.1-112.el9fdp< * unaffected
0:22.12.1-94.el9fdp< * unaffected
0:22.03.3-71.el9fdp< * unaffected
0:23.03.1-100.el9fdp< * unaffected
Red Hat Fast Datapath for RHEL 10 any affected
any affected
any affected
Red Hat Fast Datapath for RHEL 7 any unknown
any unknown
any unknown
Red Hat Fast Datapath for RHEL 8 any unknown
any unknown
any unknown
any unknown
any unknown
Red Hat Fast Datapath for RHEL 9 any affected
any unknown
any unknown
any affected
any affected
any affected
any affected
any affected
Red Hat Red Hat OpenShift Container Platform 4 any affected
any affected
any affected
any affected
any affected
any affected
any affected
any affected
Red Hat Red Hat OpenStack Platform 13 (Queens) any unknown

I. Basic Information for CVE-2024-2182

Vulnerability Information

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Vulnerability Title
Ovn: insufficient validation of bfd packets may lead to denial of service
Source: CVE Program / CVE List V5
Vulnerability Description
A flaw was found in the Open Virtual Network (OVN). In OVN clusters where BFD is used between hypervisors for high availability, an attacker can inject specially crafted BFD packets from inside unprivileged workloads, including virtual machines or containers, that can trigger a denial of service.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
源验证错误
Source: CVE Program / CVE List V5
Vulnerability Title
Open Virtual Network 访问控制错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Open Virtual Network(OVN)是Open Virtual Network开源的一个开放虚拟网络。 Open Virtual Network (OVN) 存在访问控制错误漏洞,该漏洞源于在虚拟机管理程序之间使用 BFD 来实现高可用性 OVN 集群,攻击者利用该漏洞可以使用负载注入特制的 BFD 数据包,从而触发拒绝服务。
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
- - 20.03.0 ~ * -
Red Hat Fast Datapath for Red Hat Enterprise Linux 8 0:23.06.1-112.el8fdp ~ * cpe:/o:redhat:enterprise_linux:8::fastdatapath
Red Hat Fast Datapath for Red Hat Enterprise Linux 8 0:22.12.1-94.el8fdp ~ * cpe:/o:redhat:enterprise_linux:8::fastdatapath
Red Hat Fast Datapath for Red Hat Enterprise Linux 8 0:22.03.3-71.el8fdp ~ * cpe:/o:redhat:enterprise_linux:8::fastdatapath
Red Hat Fast Datapath for Red Hat Enterprise Linux 8 0:23.03.1-100.el8fdp ~ * cpe:/o:redhat:enterprise_linux:8::fastdatapath
Red Hat Fast Datapath for Red Hat Enterprise Linux 8 0:21.12.0-142.el8fdp ~ * cpe:/o:redhat:enterprise_linux:8::fastdatapath
Red Hat Fast Datapath for Red Hat Enterprise Linux 9 0:23.09.0-136.el9fdp ~ * cpe:/o:redhat:enterprise_linux:9::fastdatapath
Red Hat Fast Datapath for Red Hat Enterprise Linux 9 0:23.06.1-112.el9fdp ~ * cpe:/o:redhat:enterprise_linux:9::fastdatapath
Red Hat Fast Datapath for Red Hat Enterprise Linux 9 0:22.12.1-94.el9fdp ~ * cpe:/o:redhat:enterprise_linux:9::fastdatapath
Red Hat Fast Datapath for Red Hat Enterprise Linux 9 0:22.03.3-71.el9fdp ~ * cpe:/o:redhat:enterprise_linux:9::fastdatapath
Red Hat Fast Datapath for Red Hat Enterprise Linux 9 0:23.03.1-100.el9fdp ~ * cpe:/o:redhat:enterprise_linux:9::fastdatapath
Red Hat Fast Datapath for RHEL 10 - cpe:/o:redhat:enterprise_linux:10::fastdatapath
Red Hat Fast Datapath for RHEL 10 - cpe:/o:redhat:enterprise_linux:10::fastdatapath
Red Hat Fast Datapath for RHEL 10 - cpe:/o:redhat:enterprise_linux:10::fastdatapath
Red Hat Fast Datapath for RHEL 7 - cpe:/o:redhat:enterprise_linux:7::fastdatapath
Red Hat Fast Datapath for RHEL 7 - cpe:/o:redhat:enterprise_linux:7::fastdatapath
Red Hat Fast Datapath for RHEL 7 - cpe:/o:redhat:enterprise_linux:7::fastdatapath
Red Hat Fast Datapath for RHEL 8 - cpe:/o:redhat:enterprise_linux:8::fastdatapath
Red Hat Fast Datapath for RHEL 8 - cpe:/o:redhat:enterprise_linux:8::fastdatapath
Red Hat Fast Datapath for RHEL 8 - cpe:/o:redhat:enterprise_linux:8::fastdatapath
Red Hat Fast Datapath for RHEL 8 - cpe:/o:redhat:enterprise_linux:8::fastdatapath
Red Hat Fast Datapath for RHEL 8 - cpe:/o:redhat:enterprise_linux:8::fastdatapath
Red Hat Fast Datapath for RHEL 9 - cpe:/o:redhat:enterprise_linux:9::fastdatapath
Red Hat Fast Datapath for RHEL 9 - cpe:/o:redhat:enterprise_linux:9::fastdatapath
Red Hat Fast Datapath for RHEL 9 - cpe:/o:redhat:enterprise_linux:9::fastdatapath
Red Hat Fast Datapath for RHEL 9 - cpe:/o:redhat:enterprise_linux:9::fastdatapath
Red Hat Fast Datapath for RHEL 9 - cpe:/o:redhat:enterprise_linux:9::fastdatapath
Red Hat Fast Datapath for RHEL 9 - cpe:/o:redhat:enterprise_linux:9::fastdatapath
Red Hat Fast Datapath for RHEL 9 - cpe:/o:redhat:enterprise_linux:9::fastdatapath
Red Hat Fast Datapath for RHEL 9 - cpe:/o:redhat:enterprise_linux:9::fastdatapath

II. Public POCs for CVE-2024-2182

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III. Intelligence Information for CVE-2024-2182

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Vendor Advisories for CVE-2024-2182 (11)

Mailing List Discussions for CVE-2024-2182 (5)

Other References for CVE-2024-2182 (1)

IV. Related Vulnerabilities