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    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 access to virtual machines and containers running on the OVN network.

    Published:Jan 21, 2024
    Last Modified:Apr 15, 2026
    EPS:Jan 23, 2025
    EPSS Score:0.00132
    CVSS Score:8.1

    Affected Products

    Vendor
    Redhat
    Product
    Enterprise Linux
    Vendor
    Redhat
    Product
    Openshift

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-284 Improper Access Control

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    References

    https://access.redhat.com/errata/RHSA-2025:1083
    https://access.redhat.com/errata/RHSA-2025:1084
    https://access.redhat.com/errata/RHSA-2025:1085
    https://access.redhat.com/errata/RHSA-2025:1086
    https://access.redhat.com/errata/RHSA-2025:1087
    https://access.redhat.com/errata/RHSA-2025:1088
    https://access.redhat.com/errata/RHSA-2025:1089
    https://access.redhat.com/errata/RHSA-2025:1090
    https://access.redhat.com/errata/RHSA-2025:1091
    https://access.redhat.com/errata/RHSA-2025:1092
    https://access.redhat.com/errata/RHSA-2025:1093
    https://access.redhat.com/errata/RHSA-2025:1094
    https://access.redhat.com/errata/RHSA-2025:1095
    https://access.redhat.com/errata/RHSA-2025:1096
    https://access.redhat.com/errata/RHSA-2025:1097
    https://access.redhat.com/security/cve/CVE-2025-0650
    https://bugzilla.redhat.com/show_bug.cgi?id=2339537
    https://www.openwall.com/lists/oss-security/2025/01/22/5
    http://www.openwall.com/lists/oss-security/2025/01/22/11

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High