CVE-2023-31083
Medium
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.
SeverityMedium
CVSS4.7
Exploit probability26. percentile0.3%
Product
Linux Kernel
PublishedApr 24, 2023
First seenApr 24, 2023
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | 6.2 | — |
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