Medium severity5.5NVD Advisory· Published May 21, 2024· Updated Jun 17, 2026

CVE-2021-47331

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.

Affected products

Linux/Kernelllm-fuzzy2 versions
(expand)+ 1 more
- (no CPE)
- (no CPE)range: 5.9

Patches

Vulnerability mechanics

References

git.kernel.org/stable/c/1a133a0996d6b4c83509d570ed4edcba34c44f25nvdPatch
git.kernel.org/stable/c/436906fd248e018403bcda61a9311d9af02912f1nvdPatch
git.kernel.org/stable/c/880287910b1892ed2cb38977893b947382a09d21nvdPatch
git.kernel.org/stable/c/8e8d910e9a3a7fba86140aff4924c30955ab228bnvdPatch

News mentions

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cvss	0.358
epss	0.000
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000