UBUNTU-CVE-2022-0168

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    UBUNTU-CVE-2022-0168

    Published: 25 Mar 2022Last Modified: 9 Sept 2026
    Upstream:
    CVE-2022-0168
    Aliases:
    USN-5469-1
    USN-6284-1
    USN-6301-1

    Summary:

    Details: A denial of service (DOS) issue was found in the Linux kernel’s smb2_ioctl_query_info function in the fs/cifs/smb2ops.c Common Internet File System (CIFS) due to an incorrect return from the memdup_user function. This flaw allows a local, privileged (CAP_SYS_ADMIN) attacker to crash the system.

    References: https://ubuntu.com/security/CVE-2022-0168, https://ubuntu.com/security/notices/USN-5469-1, https://ubuntu.com/security/notices/USN-6284-1, https://ubuntu.com/security/notices/USN-6301-1, https://ubuntu.com/security/notices/USN-6312-1, https://ubuntu.com/security/notices/USN-6314-1, https://ubuntu.com/security/notices/USN-6331-1, https://ubuntu.com/security/notices/USN-6337-1, https://www.cve.org/CVERecord?id=CVE-2022-0168

    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-2022-0168 | CVE-DB