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MitreCVELIST:CVE-2023-31083HistoryApr 24, 2023 - 12:00 a.m.
CVE-2023-31083
2023-04-2400:00:00
mitre
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cve-2023-31083
linux kernel
bluetooth driver
race condition
vulnerability
null pointer dereference
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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