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CVE-2025-38676 – “AMD IOMMU Stack Buffer Overflow”

The following table lists the changes that have been made to the
CVE-2025-38676 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

    Aug. 26, 2025

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

    iommu/amd: Avoid stack buffer overflow from kernel cmdline

    While the kernel command line is considered trusted in most environments,
    avoid writing 1 byte past the end of “acpiid” if the “str” argument is
    maximum length.
    Added Reference https://git.kernel.org/stable/c/8503d0fcb1086a7cfe26df67ca4bd9bd9e99bdec
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