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CVE-2024-56782 – “ACPI x86 NULL Pointer Dereference Vulnerability”

The following table lists the changes that have been made to the
CVE-2024-56782 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

    Jan. 08, 2025

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

    ACPI: x86: Add adev NULL check to acpi_quirk_skip_serdev_enumeration()

    acpi_dev_hid_match() does not check for adev == NULL, dereferencing
    it unconditional.

    Add a check for adev being NULL before calling acpi_dev_hid_match().

    At the moment acpi_quirk_skip_serdev_enumeration() is never called with
    a controller_parent without an ACPI companion, but better safe than sorry.
    Added Reference https://git.kernel.org/stable/c/4a49194f587a62d972b602e3e1a2c3cfe6567966
    Added Reference https://git.kernel.org/stable/c/e173bce05f7032a8b4964cfef82a4b7668f5f3af
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