CVE-2021-36980

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    CVE-2021-36980

    Published: 20 Jul 2021Last Modified: 9 Jul 2026

    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://github.com/google/oss-fuzz-vulns/blob/main/vulns/openvswitch/OSV-2020-2197.yaml, https://security.gentoo.org/glsa/202311-16, https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=27851, https://github.com/openvswitch/ovs/commit/38744b1bcb022c611712527f039722115300f58f, https://github.com/openvswitch/ovs/commit/65c61b0c23a0d474696d7b1cea522a5016a8aeb3, https://github.com/openvswitch/ovs/commit/6d67310f4d2524b466b98f05ebccc1add1e8cf35, https://github.com/openvswitch/ovs/commit/77cccc74deede443e8b9102299efc869a52b65b2, https://github.com/openvswitch/ovs/commit/8ce8dc34b5f73b30ce0c1869af9947013c3c6575, https://github.com/openvswitch/ovs/commit/9926637a80d0d243dbf9c49761046895e9d1a8e2

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 997f2b583f49d1a52b41958b88acf4f23a49eba6
    Fixed -None

    Affected versions

    v2.11.6
    v2.11.5
    v2.11.4
    v2.11.3
    v2.11.2
    v2.11.1
    v2.11.0

    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
    CVE-2021-36980 | CVE-DB