CVE-2022-4338

openvswitch: Integer Underflow in Organization Specific TLV

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Severity

Moderate

Red Hat Product Security

9.8

CVSS 3.1

Review impact separately from score.

Published · December 20, 2022

Updated · June 28, 2026

Description

A flaw was found in the OpenvSwitch package. If LLDP processing is enabled for a specific port, crafted LLDP packets could cause a data underflow.

Statement

To exploit this vulnerability, it requires LLDP processing to be enabled for a specific port, which is unlikely to be exploitable in any of the Red Hat products. Considering this restriction, the impact is lowered to moderate.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.1 · 9.8
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CWE-191 · Integer Underflow (Wrap or Wraparound)