Vulnerabilities > CVE-2021-47331 - NULL Pointer Dereference vulnerability in Linux Kernel
Attack vector
LOCAL Attack complexity
LOW Privileges required
LOW Confidentiality impact
NONE Integrity impact
NONE Availability impact
HIGH Summary
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.
Vulnerable Configurations
Common Weakness Enumeration (CWE)
References
- https://git.kernel.org/stable/c/1a133a0996d6b4c83509d570ed4edcba34c44f25
- https://git.kernel.org/stable/c/1a133a0996d6b4c83509d570ed4edcba34c44f25
- https://git.kernel.org/stable/c/436906fd248e018403bcda61a9311d9af02912f1
- https://git.kernel.org/stable/c/436906fd248e018403bcda61a9311d9af02912f1
- https://git.kernel.org/stable/c/880287910b1892ed2cb38977893b947382a09d21
- https://git.kernel.org/stable/c/880287910b1892ed2cb38977893b947382a09d21
- https://git.kernel.org/stable/c/8e8d910e9a3a7fba86140aff4924c30955ab228b
- https://git.kernel.org/stable/c/8e8d910e9a3a7fba86140aff4924c30955ab228b