Use After Free Affecting openvswitch2.15 package, versions <0:2.15.0-28.el8fdp


Severity

Recommended
medium

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.12% (48th percentile)

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications

Snyk Learn

Learn about Use After Free vulnerabilities in an interactive lesson.

Start learning
  • Snyk IDSNYK-RHEL8-OPENVSWITCH215-5352767
  • published17 Aug 2021
  • disclosed23 Feb 2021

Introduced: 23 Feb 2021

CVE-2021-36980  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade RHEL:8 openvswitch2.15 to version 0:2.15.0-28.el8fdp or higher.
This issue was patched in RHSA-2021:3758.

NVD Description

Note: Versions mentioned in the description apply only to the upstream openvswitch2.15 package and not the openvswitch2.15 package as distributed by RHEL. See How to fix? for RHEL:8 relevant fixed versions and status.

Open vSwitch (aka openvswitch) 2.11.0 through 2.15.0 has a use-after-free in decode_NXAST_RAW_ENCAP (called from ofpact_decode and ofpacts_decode) during the decoding of a RAW_ENCAP action.

CVSS Scores

version 3.1