CVE-2021-47331

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

Published: 5/21/2024 Last updated: 12/18/2025 Reserved: 5/21/2024

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.

CNA assigner: Linux (416baaa9-dc9f-4396-8d5f-8c081fb06d67) Requested by: n/a

Opam packages affected (27)

albatross cdrom conf-bpftool conf-libbpf conf-linux-libc-dev core core_unix hvsock mirage-block-unix mm ocaml-probes orun rawlink rawlink-eio rawlink-lwt shell solo5 solo5-bindings-hvt solo5-bindings-spt solo5-cross-aarch64 solo5-kernel-ukvm tracy-client tuntap uring vhd-format vhd-format-lwt xapi-stdext-unix

Products affected (3)

Product	Vendor	Version
Linux	Linux	<= 10.6.6
Linux	Linux	<= *
Linux	Linux	2.5.1

CVE-2021-47331

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

Opam packages affected (27)

Products affected (3)

References (16)