Use After Free Affecting coreos-installer package, versions <0:0.10.0-2.rhaos4.9.el8


Severity

Recommended
medium

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
1.18% (64th percentile)

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  • Snyk IDSNYK-RHEL8-COREOSINSTALLER-4405145
  • 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 coreos-installer to version 0:0.10.0-2.rhaos4.9.el8 or higher.
This issue was patched in RHSA-2021:3758.

NVD Description

Note: Versions mentioned in the description apply only to the upstream coreos-installer package and not the coreos-installer 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 Base Scores

version 3.1