Ovn: insufficient validation of bfd packets may lead to denial of service
13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 6.5epss 0.8%
exploitation probability
0.8%top 47% of all CVEs
observed exploitation
nono source reports it
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.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Affected products
ovnRed Hat · Fast Datapath for Red Hat Enterprise Linux 8Red Hat · Fast Datapath for Red Hat Enterprise Linux 9Red Hat · Fast Datapath for RHEL 7Red Hat · Fast Datapath for RHEL 8Red Hat · Fast Datapath for RHEL 9References
https://access.redhat.com/errata/RHSA-2024:1385https://access.redhat.com/errata/RHSA-2024:1386https://access.redhat.com/errata/RHSA-2024:1387https://access.redhat.com/errata/RHSA-2024:1388https://access.redhat.com/errata/RHSA-2024:1390https://access.redhat.com/errata/RHSA-2024:1391https://access.redhat.com/errata/RHSA-2024:1392https://access.redhat.com/errata/RHSA-2024:1393https://access.redhat.com/errata/RHSA-2024:1394https://access.redhat.com/errata/RHSA-2024:4035https://access.redhat.com/security/cve/CVE-2024-2182https://bugzilla.redhat.com/show_bug.cgi?id=2267840