UBUNTU-CVE-2023-2156

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    UBUNTU-CVE-2023-2156

    Published: 9 May 2023Last Modified: 9 Sept 2026
    Upstream:
    CVE-2023-2156
    Aliases:
    USN-6173-1
    USN-6412-1
    USN-6416-1

    Summary:

    Details: A flaw was found in the networking subsystem of the Linux kernel within the handling of the RPL protocol. This issue results from the lack of proper handling of user-supplied data, which can lead to an assertion failure. This may allow an unauthenticated remote attacker to create a denial of service condition on the system.

    References: https://ubuntu.com/security/CVE-2023-2156, https://www.zerodayinitiative.com/advisories/ZDI-23-547/, https://www.interruptlabs.co.uk/articles/linux-ipv6-route-of-death, https://ubuntu.com/security/notices/USN-6173-1, https://ubuntu.com/security/notices/USN-6412-1, https://ubuntu.com/security/notices/USN-6416-1, https://ubuntu.com/security/notices/USN-6416-2, https://ubuntu.com/security/notices/USN-6416-3, https://ubuntu.com/security/notices/USN-6445-1, https://ubuntu.com/security/notices/USN-6445-2, https://ubuntu.com/security/notices/USN-6466-1, https://www.cve.org/CVERecord?id=CVE-2023-2156

    Affected packages

    Package

    Name: linux-hwe-edge

    Purl: pkg:deb/ubuntu/linux-hwe-edge?arch=source&distro=xenial

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -None

    Affected versions

    4.8.0-28.30~16.04.1
    4.8.0-30.32~16.04.1
    4.8.0-32.34~16.04.1
    4.8.0-34.36~16.04.1

    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-2023-2156 | CVE-DB