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    CVE-2023-52440

    In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix slub overflow in ksmbd_decode_ntlmssp_auth_blob() If authblob->SessionKey.Length is bigger than session key size(CIFS_KEY_SIZE), slub overflow can happen in key exchange codes. cifs_arc4_crypt copy to session key array from SessionKey from client.

    Published:Feb 21, 2024
    Last Modified:Aug 4, 2026
    EPS:Feb 21, 2024
    EPSS Score:0.36685
    CVSS Score:9.8

    Affected Products

    Vendor
    Linux
    Product
    Linux Kernel

    Exploits

    https://github.com/BitsByWill/ksmbd-n-day

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    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