CVE-2026-31759
In the Linux kernel, the following vulnerability has been resolved: usb: ulpi: fix double free in ulpi_register_interface() error path When device_register() fails, ulpi_register() calls put_device() on ulpi->dev. The device release callback ulpi_dev_release() drops the OF node reference and frees ulpi, but the current error path in ulpi_register_interface() then calls kfree(ulpi) again, causing a double free. Let put_device() handle the cleanup through ulpi_dev_release() and avoid freeing ulpi again in ulpi_register_interface().
Слабость
In the Linux kernel, the following vulnerability has been resolved: usb: ulpi: fix double free in ulpi_register_interface() error path When device_register() fails, ulpi_register() calls put_device() on ulpi->dev. The device release callback ulpi_dev_release() drops the OF node reference and frees ulpi, but the current error path in ulpi_register_interface() then calls kfree(ulpi) again, causing a double free. Let put_device() handle the cleanup through ulpi_dev_release() and avoid freeing ulpi again in ulpi_register_interface().
Затронутые продукты
- linux linux_kernel
Источники
- https://git.kernel.org/stable/c/01af542392b5d41fd659d487015a71f627accce3
- https://git.kernel.org/stable/c/272a9b26c336a295e4e209157fed809706c1b1f7
- https://git.kernel.org/stable/c/2f70ba9dae13a190673cc3f9b4aad52179738f60
- https://git.kernel.org/stable/c/38c28fe25611099230f0965c925499bfcf46a795
- https://git.kernel.org/stable/c/8763f8317bb389aded32a32b08f6751cfff657d2
- https://git.kernel.org/stable/c/a6e5461f076c2ef63159f18e5cdbd30b50f0bc15
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