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CVE-2024-58069 – Linux Kernel PCF85063 NVMEM Out-of-Bounds Write

The following table lists the changes that have been made to the
CVE-2024-58069 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:

    rtc: pcf85063: fix potential OOB write in PCF85063 NVMEM read

    The nvmem interface supports variable buffer sizes, while the regmap
    interface operates with fixed-size storage. If an nvmem client uses a
    buffer size less than 4 bytes, regmap_read will write out of bounds
    as it expects the buffer to point at an unsigned int.

    Fix this by using an intermediary unsigned int to hold the value.
    Added Reference https://git.kernel.org/stable/c/3ab8c5ed4f84fa20cd16794fe8dc31f633fbc70c
    Added Reference https://git.kernel.org/stable/c/517aedb365f2c94e2d7e0b908ac7127df76203a1
    Added Reference https://git.kernel.org/stable/c/9adefa7b9559d0f21034a5d5ec1b55840c9348b9
    Added Reference https://git.kernel.org/stable/c/c72b7a474d3f445bf0c5bcf8ffed332c78eb28a1
    Added Reference https://git.kernel.org/stable/c/e5e06455760f2995b16a176033909347929d1128
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