CVE-2024-27891: security-advisory-0102

On affected platforms running Arista EOS with MACsec and egress ACLs configured on the same interfaces, the ACL policies may not be enforced for packets egressing on those ports. This can cause outgoing packets to incorrectly be allowed or denied...

CVE-2025-20316

A vulnerability in the access control list ACL programming of Cisco IOS XE Software for Cisco Catalyst 9500X and 9600X Series Switches could allow an unauthenticated, remote attacker to bypass a configured ACL on an affected device. This vulnerability is due to the flooding of traffic from an...

USN-7396-1: OVN vulnerability

Marius Berntsberg, Trygve Vea, Tore Anderson, Rodolfo Alonso, Jay Faulkner, and Brian Haley discovered that OVN incorrectly handled certain crafted UDP packets. A remote attacker could possibly use this issue to bypass egress ACL rules...

Ubuntu 20.04 LTS / 22.04 LTS / 24.04 LTS / 24.10 : OVN vulnerability (USN-7396-1)

The remote Ubuntu 20.04 LTS / 22.04 LTS / 24.04 LTS / 24.10 host has packages installed that are affected by a vulnerability as referenced in the USN-7396-1 advisory. Marius Berntsberg, Trygve Vea, Tore Anderson, Rodolfo Alonso, Jay Faulkner, and Brian Haley discovered that OVN incorrectly handle...

Security update for openvswitch

This update for openvswitch fixes the following issues: CVE-2025-0650: ovn: egress ACLs may be bypassed via specially crafted UDP packet bsc1236353. Patch Instructions: To install this SUSE update use the SUSE recommended installation methods like YaST onlineupdate or "zypper patch". Alternativel...

SUSE-SU-2025:0578-1 Security update for openvswitch

This update for openvswitch fixes the following issues: - CVE-2025-0650: ovn: egress ACLs may be bypassed via specially crafted UDP packet bsc1236353...

SUSE-SU-2025:0561-1 Security update for openvswitch

This update for openvswitch fixes the following issues: - CVE-2025-0650: ovn: egress ACLs may be bypassed via specially crafted UDP packet. bsc1236353...

RHEL 8 : ovn22.06 (RHSA-2025:1084)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2025:1084 advisory. OVN, the Open Virtual Network, is a system to support virtual network abstraction. OVN complements the existing capabilities of OVS to add native...

RHEL 8 : ovn22.09 (RHSA-2025:1085)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2025:1085 advisory. OVN, the Open Virtual Network, is a system to support virtual network abstraction. OVN complements the existing capabilities of OVS to add native...

RHEL 9 : ovn23.03 (RHSA-2025:1093)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2025:1093 advisory. OVN, the Open Virtual Network, is a system to support virtual network abstraction. OVN complements the existing capabilities of OVS to add native...

RHEL 8 : ovn22.12 (RHSA-2025:1086)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2025:1086 advisory. OVN, the Open Virtual Network, is a system to support virtual network abstraction. OVN complements the existing capabilities of OVS to add native...

Important: Red Hat Security Advisory: ovn24.09 security update

An update for ovn24.09 is now available for Fast Datapath for Red Hat Enterprise Linux 9. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each...

Important: Red Hat Security Advisory: ovn23.06 security update

An update for ovn23.06 is now available for Fast Datapath for Red Hat Enterprise Linux 9. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each...

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...

Important: Red Hat Security Advisory: ovn23.03 security update

An update for ovn23.03 is now available for Fast Datapath for Red Hat Enterprise Linux 9. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each...

Important: Red Hat Security Advisory: ovn22.09 security update

An update for ovn22.09 is now available for Fast Datapath for Red Hat Enterprise Linux 9. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each...

Important: Red Hat Security Advisory: ovn22.12 security update

An update for ovn22.12 is now available for Fast Datapath for Red Hat Enterprise Linux 9. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each...

Important: Red Hat Security Advisory: ovn23.03 security update

An update for ovn23.03 is now available for Fast Datapath for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each...

Important: Red Hat Security Advisory: ovn22.12 security update

An update for ovn22.12 is now available for Fast Datapath for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each...

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...