UBUNTU-CVE-2020-35498

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    UBUNTU-CVE-2020-35498

    Published: 10 Feb 2021Last Modified: 4 Feb 2026
    Upstream:
    CVE-2020-35498
    Aliases:
    USN-4729-1

    Summary:

    Details: A vulnerability was found in openvswitch. A limitation in the implementation of userspace packet parsing can allow a malicious user to send a specially crafted packet causing the resulting megaflow in the kernel to be too wide, potentially causing a denial of service. The highest threat from this vulnerability is to system availability.

    References: https://ubuntu.com/security/CVE-2020-35498, https://ubuntu.com/security/notices/USN-4729-1, https://www.cve.org/CVERecord?id=CVE-2020-35498

    Affected packages

    Package

    Name: openvswitch

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

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -2.5.9-0ubuntu0.16.04.3

    Affected versions

    2.4.0-0ubuntu4
    2.4.0-0ubuntu5

    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-2020-35498 | CVE-DB