CVE-2024-2182

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

MEDIUM
6.5
CVSS Score
Published: March 12, 2024 at 04:18 PM UTC
Updated: October 19, 2026 at 11:17 AM UTC
3 products affected across 1 vendorOpenShift Container PlatformOpenStack PlatformFast Datapath

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Severity
MEDIUM6.5
Exploit prediction
EPSS 0.8%
SSVC
No known exploit

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

All versions9
Vendor states this is fixed in 0:21.12.0-142.el8fdp (unaffected)
Vendor states this is fixed in 0:22.03.3-71.el8fdp (unaffected)
Vendor states this is fixed in 0:22.03.3-71.el9fdp (unaffected)
Vendor states this is fixed in 0:22.12.1-94.el8fdp (unaffected)
Vendor states this is fixed in 0:22.12.1-94.el9fdp (unaffected)
Vendor states this is fixed in 0:23.03.1-100.el8fdp (unaffected)
Vendor states this is fixed in 0:23.03.1-100.el9fdp (unaffected)
Vendor states this is fixed in 0:23.06.1-112.el8fdp (unaffected)
Vendor states this is fixed in 0:23.06.1-112.el9fdp (unaffected)
Vendor states this is fixed in 0:23.09.0-136.el9fdp (unaffected)
Vendor states this is fixed in 7 (unknown)

References (18)

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

6.5MEDIUMredhat
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-346

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