CVE-2021-47331

2024-05-2115:15:20

416baaa9-dc9f-4396-8d5f-8c081fb06d67

web.nvd.nist.gov

linux kernel

usb

null pointer

6.5 Medium

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

15.6%

JSON

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.

References

git.kernel.org/stable/c/1a133a0996d6b4c83509d570ed4edcba34c44f25

git.kernel.org/stable/c/436906fd248e018403bcda61a9311d9af02912f1

git.kernel.org/stable/c/880287910b1892ed2cb38977893b947382a09d21

git.kernel.org/stable/c/8e8d910e9a3a7fba86140aff4924c30955ab228b