CVE-2024-2182

Ovn: insufficient validation of bfd packets may lead to denial of service

Description

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.

Category

6.5
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.36%
Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com
Affected: Red Hat Fast Datapath for Red Hat Enterprise Linux 8
Affected: Red Hat Fast Datapath for Red Hat Enterprise Linux 8
Affected: Red Hat Fast Datapath for Red Hat Enterprise Linux 8
Affected: Red Hat Fast Datapath for Red Hat Enterprise Linux 8
Affected: Red Hat Fast Datapath for Red Hat Enterprise Linux 8
Affected: Red Hat Fast Datapath for Red Hat Enterprise Linux 9
Affected: Red Hat Fast Datapath for Red Hat Enterprise Linux 9
Affected: Red Hat Fast Datapath for Red Hat Enterprise Linux 9
Affected: Red Hat Fast Datapath for Red Hat Enterprise Linux 9
Affected: Red Hat Fast Datapath for Red Hat Enterprise Linux 9
Affected: Red Hat Fast Datapath for RHEL 7
Affected: Red Hat Fast Datapath for RHEL 7
Affected: Red Hat Fast Datapath for RHEL 7
Affected: Red Hat Fast Datapath for RHEL 8
Affected: Red Hat Fast Datapath for RHEL 8
Affected: Red Hat Fast Datapath for RHEL 8
Affected: Red Hat Fast Datapath for RHEL 8
Affected: Red Hat Fast Datapath for RHEL 8
Affected: Red Hat Fast Datapath for RHEL 9
Affected: Red Hat Fast Datapath for RHEL 9
Affected: Red Hat Fast Datapath for RHEL 9
Published at:
Updated at:

References

Link Tags
https://access.redhat.com/errata/RHSA-2024:1385 vendor advisory
https://access.redhat.com/errata/RHSA-2024:1386 vendor advisory
https://access.redhat.com/errata/RHSA-2024:1387 vendor advisory
https://access.redhat.com/errata/RHSA-2024:1388 vendor advisory
https://access.redhat.com/errata/RHSA-2024:1390 vendor advisory
https://access.redhat.com/errata/RHSA-2024:1391 vendor advisory
https://access.redhat.com/errata/RHSA-2024:1392 vendor advisory
https://access.redhat.com/errata/RHSA-2024:1393 vendor advisory
https://access.redhat.com/errata/RHSA-2024:1394 vendor advisory
https://access.redhat.com/errata/RHSA-2024:4035 vendor advisory
https://access.redhat.com/security/cve/CVE-2024-2182 vdb entry
https://bugzilla.redhat.com/show_bug.cgi?id=2267840 issue tracking
https://mail.openvswitch.org/pipermail/ovs-announce/2024-March/000346.html
https://www.openwall.com/lists/oss-security/2024/03/12/5
http://www.openwall.com/lists/oss-security/2024/03/12/5
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/APR4GCVCMQD3DQUKXDNGIXCCYGE5V7IT/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/CB4N522FCS4XWAPUKRWZF6QZ657FCIDF/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/XRKXOOOKD56TY3JQVB45N3GCTX3EG4BV/

Frequently Asked Questions

What is the severity of CVE-2024-2182?
CVE-2024-2182 has been scored as a medium severity vulnerability.
How to fix CVE-2024-2182?
To fix CVE-2024-2182, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2024-2182 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2024-2182 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2024-2182?
CVE-2024-2182 affects Red Hat Fast Datapath for Red Hat Enterprise Linux 8, Red Hat Fast Datapath for Red Hat Enterprise Linux 8, Red Hat Fast Datapath for Red Hat Enterprise Linux 8, Red Hat Fast Datapath for Red Hat Enterprise Linux 8, Red Hat Fast Datapath for Red Hat Enterprise Linux 8, Red Hat Fast Datapath for Red Hat Enterprise Linux 9, Red Hat Fast Datapath for Red Hat Enterprise Linux 9, Red Hat Fast Datapath for Red Hat Enterprise Linux 9, Red Hat Fast Datapath for Red Hat Enterprise Linux 9, Red Hat Fast Datapath for Red Hat Enterprise Linux 9, Red Hat Fast Datapath for RHEL 7, Red Hat Fast Datapath for RHEL 7, Red Hat Fast Datapath for RHEL 7, Red Hat Fast Datapath for RHEL 8, Red Hat Fast Datapath for RHEL 8, Red Hat Fast Datapath for RHEL 8, Red Hat Fast Datapath for RHEL 8, Red Hat Fast Datapath for RHEL 8, Red Hat Fast Datapath for RHEL 9, Red Hat Fast Datapath for RHEL 9, Red Hat Fast Datapath for RHEL 9.
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