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CVE-2025-38484 – Linux Kernel IIO Backend Out-of-Bounds Write Vulnerability

The following table lists the changes that have been made to the
CVE-2025-38484 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. 28, 2025

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

    iio: backend: fix out-of-bound write

    The buffer is set to 80 character. If a caller write more characters,
    count is truncated to the max available space in “simple_write_to_buffer”.
    But afterwards a string terminator is written to the buffer at offset count
    without boundary check. The zero termination is written OUT-OF-BOUND.

    Add a check that the given buffer is smaller then the buffer to prevent.
    Added Reference https://git.kernel.org/stable/c/01e941aa7f5175125df4ac5d3aab099961525602
    Added Reference https://git.kernel.org/stable/c/6eea9f7648ddb9e4903735a1f77cf196c957aa38
    Added Reference https://git.kernel.org/stable/c/da9374819eb3885636934c1006d450c3cb1a02ed
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