#VU115792 NULL pointer dereference in Linux kernel - CVE-2022-50374
Published: September 18, 2025 / Updated: September 22, 2025
Vulnerability identifier: #VU115792
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2022-50374
CWE-ID: CWE-476
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
Linux kernel
Linux kernel
Software vendor:
Linux Foundation
Linux Foundation
Description
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the hci_uart_register_device() and hci_uart_unregister_device() functions in drivers/bluetooth/hci_serdev.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's repository.
External links
- https://git.kernel.org/stable/c/3124d320c22f3f4388d9ac5c8f37eaad0cefd6b1
- https://git.kernel.org/stable/c/75b2c71ea581c7bb1303860d89366a42ad0506d2
- https://git.kernel.org/stable/c/98ce10f3f345e61fc6c83bff9cd11cda252b05ac
- https://git.kernel.org/stable/c/b8917dce2134739b39bc0a5648b18427f2cad569
- https://git.kernel.org/stable/c/d7cc0d51ffcbfd1caaa809fcf9cff05c46d0fb4d
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.150