UBUNTU-CVE-2021-36980

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    UBUNTU-CVE-2021-36980

    Published: 20 Jul 2021Last Modified: 4 Feb 2026
    Upstream:
    CVE-2021-36980
    Aliases:
    USN-5065-1

    Summary:

    Details: 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.

    References: https://ubuntu.com/security/CVE-2021-36980, https://github.com/google/oss-fuzz-vulns/blob/main/vulns/openvswitch/OSV-2020-2197.yaml, https://ubuntu.com/security/notices/USN-5065-1, https://www.cve.org/CVERecord?id=CVE-2021-36980

    Affected packages

    Package

    Name: openvswitch

    Purl: pkg:deb/ubuntu/[email protected]?arch=source&distro=focal

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -2.13.3-0ubuntu0.20.04.2

    Affected versions

    2.12.0-0ubuntu1
    2.12.0-0ubuntu2
    2.12.1~git20191107.7accd1302-0ubuntu1
    2.12.90~git20200107.af683565b-0ubuntu1
    2.12.90~git20200107.af683565b-0ubuntu2
    2.12.90~git20200107.af683565b-0ubuntu3

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    UBUNTU-CVE-2021-36980 | CVE-DB