#VU109530 Improper locking in Linux kernel - CVE-2025-37967
Published: May 21, 2025
Vulnerability identifier: #VU109530
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-2025-37967
CWE-ID: CWE-667
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 improper locking within the ucsi_set_drvdata() function in drivers/usb/typec/ucsi/ucsi.c, within the ucsi_displayport_enter(), ucsi_displayport_exit() and ucsi_displayport_vdm() functions in drivers/usb/typec/ucsi/displayport.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.