In the Linux kernel, the following vulnerability has been resolved: net: wangxun: fix kernel panic due to null pointer When the device uses a custom subsystem vendor ID, the function wx_sw_init() returns before the memory of 'wx->mac_table' is allocated. The null pointer will causes the kernel panic.
https://git.kernel.org/stable/c/8ba2c459668cfe2aaacc5ebcd35b4b9ef8643013
https://git.kernel.org/stable/c/61a55071653974dab172d4c5d699bb365cfd13c9