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    CVE-2021-25487

    Lack of boundary checking of a buffer in set_skb_priv() of modem interface driver prior to SMR Oct-2021 Release 1 allows OOB read and it results in arbitrary code execution by dereference of invalid function pointer.

    Published:Oct 6, 2021
    Last Modified:Oct 30, 2025
    EPS:Oct 6, 2021
    EPSS Score:0.00926
    CVSS Score:7.3

    CISA Notification

    Description

    Lack of boundary checking of a buffer in set_skb_priv() of modem interface driver prior to SMR Oct-2021 Release 1 allows OOB read and it results in arbitrary code execution by dereference of invalid function pointer.

    Required Action:

    Apply updates per vendor instructions or discontinue use of the product if updates are unavailable

    Notes:

    No extra notes provided.

    Due Date
    Jul 20, 2023
    1149 days ago
    Alert Date
    Jun 29, 2023
    1170 days ago

    Affected Products

    Vendor
    Samsung
    Product
    Android

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-125 Out-of-bounds Read

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-540 Overread Buffers

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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