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CVE-2023-53124 – MPT3SAS NULL Pointer Access Vulnerability

The following table lists the changes that have been made to the
CVE-2023-53124 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

    May. 02, 2025

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

    scsi: mpt3sas: Fix NULL pointer access in mpt3sas_transport_port_add()

    Port is allocated by sas_port_alloc_num() and rphy is allocated by either
    sas_end_device_alloc() or sas_expander_alloc(), all of which may return
    NULL. So we need to check the rphy to avoid possible NULL pointer access.

    If sas_rphy_add() returned with failure, rphy is set to NULL. We would
    access the rphy in the following lines which would also result NULL pointer
    access.
    Added Reference https://git.kernel.org/stable/c/090305c36185c0547e4441d4c08f1cf096b32134
    Added Reference https://git.kernel.org/stable/c/6f0c2f70d9929208d8427ec72c3ed91e2251e289
    Added Reference https://git.kernel.org/stable/c/9937f784a608944107dcc2ba9a9c3333f8330b9e
    Added Reference https://git.kernel.org/stable/c/a26c775ccc4cfe46f9b718b51bd24313053c7e0b
    Added Reference https://git.kernel.org/stable/c/b5e5bbb3fa5f8412e96c5eda7f4a4af6241d6bd3
    Added Reference https://git.kernel.org/stable/c/d3c57724f1569311e4b81e98fad0931028b9bdcd
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