cve.bz

CVE-2023-31083

4.7 mediumEPSS 0.3%

Medium (4.7) in linux linux kernel. EPSS 0.3% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

4.7 medium
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS
0.3% chance of exploitation in the next 30 days; higher than 25% of CVEs (scores of 2026-10-31)
CWEs
CWE-362, CWE-476
Published
Modified
Record from
the NVD, synced

Affected

References

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