Security Advisory

CVE-2023-31083

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2023-04-24 00:00:00

Last updated 2025-11-03 21:48:24

Assigner mitre

State PUBLISHED

Description

An issue was discovered in drivers/bluetooth/hci_ldisc.c in the Linux kernel 6.2. In hci_uart_tty_ioctl, there is a race condition between HCIUARTSETPROTO and HCIUARTGETPROTO. HCI_UART_PROTO_SET is set before hu->proto is set. A NULL pointer dereference may occur.

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