CVE-2021-47331 Information

Description

In the Linux kernel the following vulnerability has been resolved:

usb: common: usb-conn-gpio: fix NULL pointer dereference of charger

When power on system with OTG cable IDDIG’s interrupt arises before the charger registration it will cause a NULL pointer dereference fix the issue by registering the power supply before requesting IDDIG/VBUS irq.

Reference

https://git.kernel.org/stable/c/8e8d910e9a3a7fba86140aff4924c30955ab228b https://git.kernel.org/stable/c/436906fd248e018403bcda61a9311d9af02912f1 https://git.kernel.org/stable/c/1a133a0996d6b4c83509d570ed4edcba34c44f25 https://git.kernel.org/stable/c/880287910b1892ed2cb38977893b947382a09d21