Resource Exhaustion Affecting openvswitch-test package, versions <0:2.9.9-1.el7fdp


Severity

Recommended
0.0
high
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.98% (84th percentile)

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  • Snyk IDSNYK-RHEL7-OPENVSWITCHTEST-3625316
  • published1 Nov 2021
  • disclosed10 Feb 2021

Introduced: 10 Feb 2021

CVE-2020-35498  (opens in a new tab)
CWE-400  (opens in a new tab)

How to fix?

Upgrade RHEL:7 openvswitch-test to version 0:2.9.9-1.el7fdp or higher.
This issue was patched in RHSA-2021:2077.

NVD Description

Note: Versions mentioned in the description apply only to the upstream openvswitch-test package and not the openvswitch-test package as distributed by RHEL. See How to fix? for RHEL:7 relevant fixed versions and status.

A vulnerability was found in openvswitch. A limitation in the implementation of userspace packet parsing can allow a malicious user to send a specially crafted packet causing the resulting megaflow in the kernel to be too wide, potentially causing a denial of service. The highest threat from this vulnerability is to system availability.

CVSS Scores

version 3.1