High severity · published Jan 23, 2025
CVE-2025-0650
Ovn: egress acls may be bypassed via specially crafted udp packet
8.1
CVSS
0.9%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
High
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.9% · higher than 59% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FD
Fast Datapath for Red Hat Enterprise Linux 8 · Red Hat
All versions, or not specified · source: vendor
FD
Fast Datapath for Red Hat Enterprise Linux 9 · Red Hat
All versions, or not specified · source: vendor
RH
Red Hat OpenShift Container Platform 4 · Red Hat
All versions, or not specified · source: vendor
Affected product
FD
Fast Datapath for Red Hat Enterprise Linux 8
Red Hat
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-0650
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-0650
access.redhat.com
https://access.redhat.com/errata/RHSA-2025:1083
access.redhat.com
https://access.redhat.com/errata/RHSA-2025:1084
access.redhat.com
https://access.redhat.com/errata/RHSA-2025:1085
access.redhat.com
https://access.redhat.com/errata/RHSA-2025:1086
access.redhat.com
https://access.redhat.com/errata/RHSA-2025:1087
access.redhat.com
https://access.redhat.com/errata/RHSA-2025:1088
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