Resource Exhaustion Affecting openvswitch-devel 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
3.23% (87th percentile)

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  • Snyk IDSNYK-RHEL7-OPENVSWITCHDEVEL-3625296
  • published26 Jul 2021
  • disclosed13 Jan 2021

Introduced: 13 Jan 2021

CVE-2020-27827  (opens in a new tab)
CWE-400  (opens in a new tab)

How to fix?

Upgrade RHEL:7 openvswitch-devel 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-devel package and not the openvswitch-devel package as distributed by RHEL. See How to fix? for RHEL:7 relevant fixed versions and status.

A flaw was found in multiple versions of OpenvSwitch. Specially crafted LLDP packets can cause memory to be lost when allocating data to handle specific optional TLVs, potentially causing a denial of service. The highest threat from this vulnerability is to system availability.

CVSS Base Scores

version 3.1