ovn: egress ACLs may be bypassed via specially crafted UDP packet

A flaw was found in the Open Virtual Network OVN. Specially crafted UDP packets may bypass egress access control lists ACLs in OVN installations configured with a logical switch with DNS records set on it and if the same switch has any egress ACLs configured. This issue can lead to unauthorized...

[SECURITY] Fedora 40 Update: ovn-24.09.2-4.fc40

OVN, the Open Virtual Network, is a system to support virtual network abstraction. OVN complements the existing capabilities of OVS to add native support for virtual network abstractions, such as virtual L2 and L3 overlays and security groups...

[SECURITY] Fedora 41 Update: ovn-24.09.2-4.fc41

OVN, the Open Virtual Network, is a system to support virtual network abstraction. OVN complements the existing capabilities of OVS to add native support for virtual network abstractions, such as virtual L2 and L3 overlays and security groups...

SUSE CVE-2025-0650

A flaw was found in the Open Virtual Network OVN. Specially crafted UDP packets may bypass egress access control lists ACLs in OVN installations configured with a logical switch with DNS records set on it and if the same switch has any egress ACLs configured. This issue can lead to unauthorized...

DEBIAN-CVE-2025-0650

A flaw was found in the Open Virtual Network OVN. Specially crafted UDP packets may bypass egress access control lists ACLs in OVN installations configured with a logical switch with DNS records set on it and if the same switch has any egress ACLs configured. This issue can lead to unauthorized...

CVE-2025-0650

A flaw was found in the Open Virtual Network OVN. Specially crafted UDP packets may bypass egress access control lists ACLs in OVN installations configured with a logical switch with DNS records set on it and if the same switch has any egress ACLs configured. This issue can lead to unauthorized...

CVE-2025-0650

A flaw was found in the Open Virtual Network OVN. Specially crafted UDP packets may bypass egress access control lists ACLs in OVN installations configured with a logical switch with DNS records set on it and if the same switch has any egress ACLs configured. This issue can lead to unauthorized...

UBUNTU-CVE-2025-0650

A flaw was found in the Open Virtual Network OVN. Specially crafted UDP packets may bypass egress access control lists ACLs in OVN installations configured with a logical switch with DNS records set on it and if the same switch has any egress ACLs configured. This issue can lead to unauthorized...

CVE-2025-0650

A flaw was found in the Open Virtual Network OVN. Specially crafted UDP packets may bypass egress access control lists ACLs in OVN installations configured with a logical switch with DNS records set on it and if the same switch has any egress ACLs configured. This issue can lead to unauthorized...

CVE-2025-0650 Ovn: egress acls may be bypassed via specially crafted udp packet

A flaw was found in the Open Virtual Network OVN. Specially crafted UDP packets may bypass egress access control lists ACLs in OVN installations configured with a logical switch with DNS records set on it and if the same switch has any egress ACLs configured. This issue can lead to unauthorized...

CVE-2025-0650

A flaw was found in the Open Virtual Network OVN. Specially crafted UDP packets may bypass egress access control lists ACLs in OVN installations configured with a logical switch with DNS records set on it and if the same switch has any egress ACLs configured. This issue can lead to unauthorized...

CVE-2025-0650: Improper Access Control

A flaw was found in the Open Virtual Network OVN. Specially crafted UDP packets may bypass egress access control lists ACLs in OVN installations configured with a logical switch with DNS records set on it and if the same switch has any egress ACLs configured. This issue can lead to unauthorized...

Open Virtual Network 访问控制错误漏洞

Open Virtual Network OVN is an open virtual network open sourced by Open Virtual Network. A security vulnerability exists in Open Virtual Network OVN that stems from a specially constructed UDP packet that can bypass an egress ACL, resulting in unauthorized access to virtual machines and containe...

PT-2025-3995

Name of the Vulnerable Software and Affected Versions Open Virtual Network OVN affected versions not specified Description A flaw was found in the Open Virtual Network OVN that allows specially crafted UDP packets to bypass egress access control lists ACLs in OVN installations configured with a...

RHEL 8 : ovn-2021 (RHSA-2024:4035)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2024:4035 advisory. OVN, the Open Virtual Network, is a system to support virtual network abstraction. OVN complements the existing capabilities of OVS to add native...

ovn: insufficient validation of BFD packets may lead to denial of service

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...

Fedora 38 : ovn (2024-7c11edcd20)

The remote Fedora 38 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2024-7c11edcd20 advisory. Security fix for CVE-2024-2182 ovn: insufficient validation of BFD packets may lead to denial of service fedora-all Tenable has extracted the...

Fedora 39 : ovn (2024-082155d6b7)

The remote Fedora 39 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2024-082155d6b7 advisory. Security fix for CVE-2024-2182 ovn: insufficient validation of BFD packets may lead to denial of service fedora-all Tenable has extracted the...

ovn: insufficient validation of BFD packets may lead to denial of service

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...

ovn: insufficient validation of BFD packets may lead to denial of service

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...