CVE-2025-38253
In the Linux kernel, the following vulnerability has been resolved:
HID: wacom: fix crash in wacom_aes_battery_handler()
Commit fd2a9b29dc9c ("HID: wacom: Remove AES power_supply after extended inactivity") introduced wacom_aes_battery_handler() which is scheduled as a delayed work (aes_battery_work).
In wacom_remove(), aes_battery_work is not canceled. Consequently, if the device is removed while aes_battery_work is still pending, then hard crashes or "Oops: general protection fault..." are experienced when wacom_aes_battery_handler() is finally called. E.g., this happens with built-in USB devices after resume from hibernate when aes_battery_work was still pending at the time of hibernation.
So, take care to cancel aes_battery_work in wacom_remove().
| Software | From | Fixed in |
|---|---|---|
| linux / linux_kernel | 6.8 | 6.12.36 |
| linux / linux_kernel | 6.13 | 6.15.5 |
| linux / linux_kernel | 6.16-rc1 | 6.16-rc1.x |
| linux / linux_kernel | 6.16-rc2 | 6.16-rc2.x |
| linux / linux_kernel | 6.16-rc3 | 6.16-rc3.x |
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