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CVE-2025-21785 – Linux Kernel arm64 Cacheinfo Out-of-Bounds Write Vulnerability

The following table lists the changes that have been made to the
CVE-2025-21785 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

    Feb. 27, 2025

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

    arm64: cacheinfo: Avoid out-of-bounds write to cacheinfo array

    The loop that detects/populates cache information already has a bounds
    check on the array size but does not account for cache levels with
    separate data/instructions cache. Fix this by incrementing the index
    for any populated leaf (instead of any populated level).
    Added Reference https://git.kernel.org/stable/c/4ff25f0b18d1d0174c105e4620428bcdc1213860
    Added Reference https://git.kernel.org/stable/c/67b99a2b5811df4294c2ad50f9bff3b6a08bd618
    Added Reference https://git.kernel.org/stable/c/715eb1af64779e1b1aa0a7b2ffb81414d9f708e5
    Added Reference https://git.kernel.org/stable/c/875d742cf5327c93cba1f11e12b08d3cce7a88d2
    Added Reference https://git.kernel.org/stable/c/ab90894f33c15b14c1cee6959ab6c8dcb09127f8
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