Use After Free Affecting libovn-20_06-0 package, versions <20.06.2-150300.19.3.1


Severity

Recommended
0.0
medium
0
10

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
0.12% (48th percentile)

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  • Snyk IDSNYK-SLES153-LIBOVN20060-3018141
  • published7 Sept 2022
  • disclosed6 Sept 2022

Introduced: 6 Sep 2022

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

How to fix?

Upgrade SLES:15.3 libovn-20_06-0 to version 20.06.2-150300.19.3.1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream libovn-20_06-0 package and not the libovn-20_06-0 package as distributed by SLES. See How to fix? for SLES:15.3 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