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CVE-2025-21975 – “mlx5 Linux Kernel Null Pointer Dereference Vulnerability”

The following table lists the changes that have been made to the
CVE-2025-21975 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution
of a vulnerability, and for identifying the most recent changes that may
impact the vulnerability’s severity, exploitability, or other characteristics.

  • New CVE Received
    by 416baaa9-dc9f-4396-8d5f-8c081fb06d67

    Apr. 01, 2025

    Action Type Old Value New Value
    Added Description In the Linux kernel, the following vulnerability has been resolved:

    net/mlx5: handle errors in mlx5_chains_create_table()

    In mlx5_chains_create_table(), the return value of mlx5_get_fdb_sub_ns()
    and mlx5_get_flow_namespace() must be checked to prevent NULL pointer
    dereferences. If either function fails, the function should log error
    message with mlx5_core_warn() and return error pointer.
    Added Reference https://git.kernel.org/stable/c/093b4aaec97ec048623e3fe1e516fc45a954d412
    Added Reference https://git.kernel.org/stable/c/1598307c914ba3d2642a2b03d1ff11efbdb7c6c2
    Added Reference https://git.kernel.org/stable/c/1d34296409a519b4027750e3e82d9e19553a7398
    Added Reference https://git.kernel.org/stable/c/637105ef0d46fe5beac15aceb431da3ec832bb00
    Added Reference https://git.kernel.org/stable/c/eab0396353be1c778eba1c0b5180176f04dd21ce
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