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CVE-2025-38259 – Linux Kernel ASoC Wcd9335 Regulator Leaks Vulnerability

The following table lists the changes that have been made to the
CVE-2025-38259 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. 09, 2025

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

    ASoC: codecs: wcd9335: Fix missing free of regulator supplies

    Driver gets and enables all regulator supplies in probe path
    (wcd9335_parse_dt() and wcd9335_power_on_reset()), but does not cleanup
    in final error paths and in unbind (missing remove() callback). This
    leads to leaked memory and unbalanced regulator enable count during
    probe errors or unbind.

    Fix this by converting entire code into devm_regulator_bulk_get_enable()
    which also greatly simplifies the code.
    Added Reference https://git.kernel.org/stable/c/9079db287fc3e38e040b0edeb0a25770bb679c8e
    Added Reference https://git.kernel.org/stable/c/9830ef1803a5bc50b4a984a06cf23142cd46229d
    Added Reference https://git.kernel.org/stable/c/a8795f3cd289cd958f6396a1b43ba46fa8e22a2e
    Added Reference https://git.kernel.org/stable/c/b86280aaa23c1c0f31bcaa600d35ddc45bc38b7a
    Added Reference https://git.kernel.org/stable/c/edadaf4239c14dc8a19ea7f60b97d5524d93c29b
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