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CVE-2025-38239 – Megaraid SAS Array Index Out-of-Bounds Vulnerability

The following table lists the changes that have been made to the
CVE-2025-38239 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

    Jul. 09, 2025

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

    scsi: megaraid_sas: Fix invalid node index

    On a system with DRAM interleave enabled, out-of-bound access is
    detected:

    megaraid_sas 0000:3f:00.0: requested/available msix 128/128 poll_queue 0
    ————[ cut here ]————
    UBSAN: array-index-out-of-bounds in ./arch/x86/include/asm/topology.h:72:28
    index -1 is out of range for type ‘cpumask *[1024]’
    dump_stack_lvl+0x5d/0x80
    ubsan_epilogue+0x5/0x2b
    __ubsan_handle_out_of_bounds.cold+0x46/0x4b
    megasas_alloc_irq_vectors+0x149/0x190 [megaraid_sas]
    megasas_probe_one.cold+0xa4d/0x189c [megaraid_sas]
    local_pci_probe+0x42/0x90
    pci_device_probe+0xdc/0x290
    really_probe+0xdb/0x340
    __driver_probe_device+0x78/0x110
    driver_probe_device+0x1f/0xa0
    __driver_attach+0xba/0x1c0
    bus_for_each_dev+0x8b/0xe0
    bus_add_driver+0x142/0x220
    driver_register+0x72/0xd0
    megasas_init+0xdf/0xff0 [megaraid_sas]
    do_one_initcall+0x57/0x310
    do_init_module+0x90/0x250
    init_module_from_file+0x85/0xc0
    idempotent_init_module+0x114/0x310
    __x64_sys_finit_module+0x65/0xc0
    do_syscall_64+0x82/0x170
    entry_SYSCALL_64_after_hwframe+0x76/0x7e

    Fix it accordingly.
    Added Reference https://git.kernel.org/stable/c/074efb35552556a4b3b25eedab076d5dc24a8199
    Added Reference https://git.kernel.org/stable/c/19a47c966deb36624843b7301f0373a3dc541a05
    Added Reference https://git.kernel.org/stable/c/752eb816b55adb0673727ba0ed96609a17895654
    Added Reference https://git.kernel.org/stable/c/bf2c1643abc3b2507d56bb6c22bf9897272f8a35
    Added Reference https://git.kernel.org/stable/c/f1064b3532192e987ab17be7281d5fee36fd25e1
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