Resource Exhaustion Affecting ovn-host package, versions <20.03.1-9.11.1


Severity

Recommended
0.0
high
0
10

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
0.33% (71st percentile)

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  • Snyk IDSNYK-SLES152-OVNHOST-2690344
  • published14 Apr 2022
  • disclosed1 Feb 2021

Introduced: 1 Feb 2021

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

How to fix?

Upgrade SLES:15.2 ovn-host to version 20.03.1-9.11.1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream ovn-host package and not the ovn-host package as distributed by SLES. See How to fix? for SLES:15.2 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 Scores

version 3.1