{"id":"CVE-2023-31083","details":"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-\u003eproto is set. A NULL pointer dereference may occur.","modified":"2026-03-15T22:46:46.122908Z","published":"2023-04-24T06:15:07.890Z","related":["ALSA-2024:2394","SUSE-SU-2023:3302-1","SUSE-SU-2023:3311-1","SUSE-SU-2023:3313-1","SUSE-SU-2023:3318-1","SUSE-SU-2023:3376-1","SUSE-SU-2023:3377-1","SUSE-SU-2023:4733-1","SUSE-SU-2023:4735-1","SUSE-SU-2023:4783-1","SUSE-SU-2023:4784-1","SUSE-SU-2023:4811-1","SUSE-SU-2023:4882-1","SUSE-SU-2023:4883-1","SUSE-SU-2024:1669-1"],"references":[{"type":"WEB","url":"https://lore.kernel.org/all/CA+UBctC3p49aTgzbVgkSZ2+TQcqq4fPDO7yZitFT5uBPDeCO2g%40mail.gmail.com/"},{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2024/10/msg00003.html"},{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html"},{"type":"WEB","url":"https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=9c33663af9ad115f90c076a1828129a3fbadea98"},{"type":"ADVISORY","url":"https://security.netapp.com/advisory/ntap-20230929-0003/"},{"type":"REPORT","url":"https://bugzilla.suse.com/show_bug.cgi?id=1210780"}],"affected":[{"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-31083.json","unresolved_ranges":[{"events":[{"introduced":"0"},{"last_affected":"6.2"}]}]}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H"}]}