Use After Free Affecting openvswitch2.15 package, versions <0:2.15.0-24.el8fdp


Severity

Recommended
medium

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.12% (48th percentile)

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  • Snyk IDSNYK-RHEL8-OPENVSWITCH215-4405398
  • 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 0:2.15.0-24.el8fdp or higher.
This issue was patched in RHBA-2021:2509.

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