UBUNTU-CVE-2023-2176

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    UBUNTU-CVE-2023-2176

    Published: 20 Apr 2023Last Modified: 4 Feb 2026
    Upstream:
    CVE-2023-2176
    Aliases:
    USN-6194-1
    USN-6224-1
    USN-6228-1

    Summary:

    Details: A vulnerability was found in compare_netdev_and_ip in drivers/infiniband/core/cma.c in RDMA in the Linux Kernel. The improper cleanup results in out-of-boundary read, where a local user can utilize this problem to crash the system or escalation of privilege.

    References: https://ubuntu.com/security/CVE-2023-2176, https://lkml.org/lkml/2022/12/9/178, https://www.spinics.net/lists/linux-rdma/msg114749.html, https://patchwork.kernel.org/project/linux-rdma/patch/3d0e9a2fd62bc10ba02fed1c7c48a48638952320.1672819273.git.leonro@nvidia.com/, https://git.kernel.org/linus/8d037973d48c026224ab285e6a06985ccac6f7bf, https://ubuntu.com/security/notices/USN-6194-1, https://ubuntu.com/security/notices/USN-6224-1, https://ubuntu.com/security/notices/USN-6228-1, https://ubuntu.com/security/notices/USN-6235-1, https://www.cve.org/CVERecord?id=CVE-2023-2176

    Affected packages

    Package

    Name: linux-hwe-edge

    Purl: pkg:deb/ubuntu/[email protected]~16.04.1?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-2023-2176 | CVE-DB