CVE-2023-31083

Published: Apr 24, 2023

Modified: Nov 3, 2025

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.

Vendor	Product	Versions
n/a	n/a	affected `n/a`

References

https://lore.kernel.org/all/CA+UBctC3p49aTgzbVgkSZ2+TQcqq4fPDO7yZitFT5uBPDeCO2g%40mail.gmail.com/

https://security.netapp.com/advisory/ntap-20230929-0003/

https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=9c33663af9ad115f90c076a1828129a3fbadea98

https://bugzilla.suse.com/show_bug.cgi?id=1210780

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CVE-2023-31083

Description

Affected Products

References