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CVE-2025-21833 – Intel VT-D NULL Pointer Dereference Vulnerability

The following table lists the changes that have been made to the
CVE-2025-21833 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

    Mar. 06, 2025

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

    iommu/vt-d: Avoid use of NULL after WARN_ON_ONCE

    There is a WARN_ON_ONCE to catch an unlikely situation when
    domain_remove_dev_pasid can’t find the `pasid`. In case it nevertheless
    happens we must avoid using a NULL pointer.
    Added Reference https://git.kernel.org/stable/c/60f030f7418d3f1d94f2fb207fe3080e1844630b
    Added Reference https://git.kernel.org/stable/c/df96876be3b064aefc493f760e0639765d13ed0d
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