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Vulnerability · Published Mar 12, 2024 · Assigned by redhat

CVE-2024-2182Ovn: insufficient validation of bfd packets may lead to denial of service

Medium 6.5

In plain English

A medium-severity security flaw in ovn. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.8% (higher than 56% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)6.5Medium
Exploit odds (30 days)0.8%top 43.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official 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.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12ovn23.03.1-1~deb12u2DEBIAN-CVE-2024-2182
Debian:13ovn24.03.1-1DEBIAN-CVE-2024-2182
Ubuntu:22.04:LTSovn22.03.3-0ubuntu0.22.04.2USN-6691-1
Ubuntu:22.04:LTSovn22.03.3-0ubuntu0.22.04.2UBUNTU-CVE-2024-2182

Affected products (as reported)

VendorProductVersions
ovn 20.03.0 – before *
Red Hat Fast Datapath for Red Hat Enterprise Linux 8 see references
Red Hat Fast Datapath for Red Hat Enterprise Linux 8 see references
Red Hat Fast Datapath for Red Hat Enterprise Linux 8 see references
Red Hat Fast Datapath for Red Hat Enterprise Linux 8 see references
Red Hat Fast Datapath for Red Hat Enterprise Linux 8 see references
Red Hat Fast Datapath for Red Hat Enterprise Linux 9 see references
Red Hat Fast Datapath for Red Hat Enterprise Linux 9 see references
Red Hat Fast Datapath for Red Hat Enterprise Linux 9 see references
Red Hat Fast Datapath for Red Hat Enterprise Linux 9 see references
Red Hat Fast Datapath for Red Hat Enterprise Linux 9 see references
Red Hat Fast Datapath for RHEL 10 see references
Red Hat Fast Datapath for RHEL 10 see references
Red Hat Fast Datapath for RHEL 10 see references
Red Hat Fast Datapath for RHEL 7 see references
Red Hat Fast Datapath for RHEL 7 see references
Red Hat Fast Datapath for RHEL 7 see references
Red Hat Fast Datapath for RHEL 8 see references
Red Hat Fast Datapath for RHEL 8 see references
Red Hat Fast Datapath for RHEL 8 see references
Red Hat Fast Datapath for RHEL 8 see references
Red Hat Fast Datapath for RHEL 8 see references
Red Hat Fast Datapath for RHEL 9 see references
Red Hat Fast Datapath for RHEL 9 see references
Red Hat Fast Datapath for RHEL 9 see references
Red Hat Fast Datapath for RHEL 9 see references
Red Hat Fast Datapath for RHEL 9 see references
Red Hat Fast Datapath for RHEL 9 see references
Red Hat Fast Datapath for RHEL 9 see references
Red Hat Fast Datapath for RHEL 9 see references

Weakness: CWE-346 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

References