UBUNTU-CVE-2023-32252

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    UBUNTU-CVE-2023-32252

    Published: 24 Jul 2023Last Modified: 9 Sept 2026
    Upstream:
    CVE-2023-32252
    Aliases:
    USN-6338-1
    USN-6338-2
    USN-6344-1

    Summary:

    Details: A flaw was found in the Linux kernel's ksmbd, a high-performance in-kernel SMB server. The specific flaw exists within the handling of SMB2_LOGOFF commands. The issue results from the lack of proper validation of a pointer prior to accessing it. An attacker can leverage this vulnerability to create a denial-of-service condition on the system.

    References: https://ubuntu.com/security/CVE-2023-32252, https://access.redhat.com/security/cve/CVE-2023-32252, https://www.zerodayinitiative.com/advisories/ZDI-CAN-20590/, https://ubuntu.com/security/notices/USN-6338-1, https://ubuntu.com/security/notices/USN-6344-1, https://ubuntu.com/security/notices/USN-6338-2, https://ubuntu.com/security/notices/USN-6626-1, https://ubuntu.com/security/notices/USN-6628-1, https://ubuntu.com/security/notices/USN-6626-2, https://ubuntu.com/security/notices/USN-6628-2, https://ubuntu.com/security/notices/USN-6626-3, https://www.cve.org/CVERecord?id=CVE-2023-32252

    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-2023-32252 | CVE-DB