4.7
CVE-2023-31083
- EPSS 0.01%
- Published 24.04.2023 06:15:07
- Last modified 21.11.2024 08:01:22
- Source cve@mitre.org
- CVE-Watchlists
- Open
LoginAn 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.
Data is provided by the National Vulnerability Database (NVD)
Linux ≫ Linux Kernel Version6.2
| Type | Source | Score | Percentile |
|---|---|---|---|
| EPSS | FIRST.org | 0.01% | 0.003 |
| Source | Base Score | Exploit Score | Impact Score | Vector string |
|---|---|---|---|---|
| nvd@nist.gov | 4.7 | 1 | 3.6 |
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
|
CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
The product contains a concurrent code sequence that requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence operating concurrently.
CWE-476 NULL Pointer Dereference
The product dereferences a pointer that it expects to be valid but is NULL.