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CVE-2026-93142

In the Linux kernel, the following vulnerability has been resolved: thermal/drivers/rcar: Fix error checking in probe() This code accidentally calls thermal_zone_device_enable() before checking whether thermal_zone_device_register_with_trips() failed. Move the call until later to avoid an error pointer dereference of "priv->zone". The driver works differently depending on if we are using OF thermal or not. We use thermal_add_hwmon_sysfs() if we are using OF thermal and call thermal_zone_device_enable() if not. We can share same error check for if either of these fail. Moving the thermal_zone_device_enable() call is a bit cleaner as well. The original code used a three step process to cleanup: 1. Call thermal_zone_device_unregister() to cleanup. 2. Set priv->zone to an error pointer to preserve the error code. 3. Set priv->zone to NULL to avoid a second call to thermal_zone_device_unregister() in the rcar_thermal_remove() function. Now we can just do a direct goto error_unregister and rcar_thermal_remove() handles the cleanup properly.

What this means for your business

    What to do

    1. 1Ask your IT team or provider whether any of your systems use the affected product.
    2. 2If you do, follow the vendor's guidance. No patch reference has been published yet.

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    Scoring

    CVSS
    Not yet scored
    Assigned by
    416baaa9-dc9f-4396-8d5f-8c081fb06d67

    Dates

    Published
    2026-09-17
    Last modified
    2026-09-17
    Sources
    NVD

    References