USN-4691-1

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    USN-4691-1

    Published: 13 Jan 2021Last Modified: 27 Apr 2026

    Summary: openvswitch vulnerabilities

    Details: Jonas Rudloff discovered that Open vSwitch incorrectly handled certain malformed LLDP packets. A remote attacker could use this issue to cause Open vSwitch to crash, resulting in a denial of service, or possibly execute arbitrary code.

    References: https://ubuntu.com/security/notices/USN-4691-1, https://ubuntu.com/security/CVE-2015-8011, https://ubuntu.com/security/CVE-2020-27827

    Affected packages

    Package

    Name: openvswitch

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

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -2.5.9-0ubuntu0.16.04.2

    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
    USN-4691-1 | CVE-DB