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A security vulnerability (CVE-2024-2182) in OVN (Open Virtual Network) affects Red Hat Enterprise Linux Fast Datapath 8. The issue involves insufficient validation of BFD packets, which may lead to denial of service. Red Hat has released an important security update to address this vulnerability. The advisory covers multiple architectures including x86_64, ppc64le, s390x, and aarch64. No CVSS score is provided, but the severity is rated as high by Red Hat. The update is available and should be applied to affected systems.

CVE-2024-2182 is a vulnerability in OVN (Open Virtual Network) where insufficient validation of BFD (Bidirectional Forwarding Detection) packets can cause a denial of service condition. OVN provides virtual network abstractions complementing Open vSwitch capabilities. Red Hat has issued an important security advisory (RHSA-2024:4035) for Red Hat Enterprise Linux Fast Datapath 8, releasing updated ovn-2021 packages that fix this issue. The advisory includes packages for multiple CPU architectures and instructs users to apply the update after ensuring all previous errata are applied.

Detailed information about Red Hat Security Advisory: ovn-2021 security update affecting Red Hat Product Security Red Hat. Get real-time updates, technical deta

Red Hat Security Advisory: ovn-2021 security update - Live Threat Intelligence - Threat Radar | OffSeq.com

https://access.redhat.com/errata/RHSA-2024:4035

https://access.redhat.com/security/updates/classification/#important

2267840

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Red Hat Security Advisory: ovn-2021 security update

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.

CVE-2024-2182 identifies a vulnerability in Open Virtual Network (OVN) version 20.03.0, specifically affecting clusters that utilize Bidirectional Forwarding Detection (BFD) between hypervisors to maintain high availability. BFD is a protocol designed to detect faults between two forwarding engines quickly. The vulnerability stems from an origin validation error that allows an attacker operating within an unprivileged workload—such as a virtual machine or container—to inject maliciously crafted BFD packets. These packets can disrupt the normal operation of BFD sessions between hypervisors, leading to a denial of service condition. This can cause network instability or outages by breaking the high availability mechanisms that rely on BFD. The flaw does not affect confidentiality or integrity but impacts availability significantly. Exploitation requires the attacker to have local privileges inside the virtualized environment but does not require user interaction. The vulnerability has a CVSS v3.1 base score of 6.5, indicating medium severity, with an attack vector of network, low attack complexity, and privileges required. No public exploits have been reported yet, but the potential for disruption in cloud and virtualized data center environments is notable. The issue highlights the importance of strict packet origin validation in network virtualization protocols and the risks posed by insufficient isolation between workloads and hypervisor communication channels.

Detailed information about CVE-2024-2182: Origin Validation Error. Get real-time updates, technical details, and mitigation strategies.

CVE-2024-2182: Origin Validation Error - Live Threat Intelligence - Threat Radar | OffSeq.com

CVE-2024-2182: Origin Validation Error


Red Hat Security Advisory: ovn-2021 security updateCVE-2024-2182 0 A security vulnerability (CVE-2024-2182) in OVN (Open Virtual Network) affects Red Hat Enterprise Linux Fast Datapath 8. The issue involves insufficient validation of BFD packets, which may lead to denial of service. Red Hat has released an important security update to address this vulnerability. The advisory covers multiple architectures including x86_64, ppc64le, s390x, and aarch64. No CVSS score is provided, but the severity is rated as high by Red Hat. The update is available and should be applied to affected systems. HighVulnerability#gcve #csaf #cve-2024-2182 Join the discussion	GCVE Database	06/20/2024, 16:25:16 UTC Added: 06/28/2026, 22:14:24 UTC
CVE-2024-2182: Origin Validation ErrorCVE-2024-2182 0 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. MediumVulnerabilityUnited StatesGermanyUnited Kingdom+7#cve #cve-2024-2182 Join the discussion	CVE Database V5	03/12/2024, 16:18:31 UTC Added: 11/08/2025, 07:23:10 UTC

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