UBUNTU-CVE-2023-3867

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    UBUNTU-CVE-2023-3867

    Published: 13 Sept 2023Last Modified: 9 Sept 2026
    Upstream:
    CVE-2023-3867
    Aliases:
    USN-6464-1
    USN-6466-1
    USN-6520-1

    Summary:

    Details: In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix out of bounds read in smb2_sess_setup ksmbd does not consider the case of that smb2 session setup is in compound request. If this is the second payload of the compound, OOB read issue occurs while processing the first payload in the smb2_sess_setup().

    References: https://ubuntu.com/security/CVE-2023-3867, https://www.zerodayinitiative.com/advisories/ZDI-23-981/, https://git.kernel.org/linus/7b7d709ef7cf285309157fb94c33f625dd22c5e1, https://lore.kernel.org/all/[email protected]/, https://ubuntu.com/security/notices/USN-6464-1, https://ubuntu.com/security/notices/USN-6466-1, https://ubuntu.com/security/notices/USN-6520-1, https://ubuntu.com/security/notices/USN-6725-1, https://www.cve.org/CVERecord?id=CVE-2023-3867, https://ubuntu.com/security/notices/USN-6725-2

    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-2023-3867 | CVE-DB