CVE-2018-17204

openvswitch: Mishandle of group mods in lib/ofp-util.c:parse_group_prop_ntr_selection_method() allows for assertion failure

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Severity

Moderate

Red Hat Product Security

2.7

CVSS 3.0

Review impact separately from score.

Published · September 25, 2018

Updated · June 28, 2026

Description

An issue was discovered in Open vSwitch (OvS), 2.4.x through 2.4.1, 2.5.x through 2.5.5, 2.6.x through 2.6.3, 2.7.x through 2.7.6, 2.8.x through 2.8.4, and2.9.x through 2.9.2, affecting the parse_group_prop_ntr_selection_method in lib/ofp-util.c. On controllers with the OpenFlow 1.5 decoder enabled, a specially crafted group update can cause an assertion failure, potentially leading to a Denial of Service condition.

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 3.0 · 2.7
CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L

CWE-20 · Improper Input Validation