SB2025062074 - Improper locking in Linux kernel gadget udc driver
Published: June 20, 2025 Updated: June 21, 2025
Security Bulletin ID
SB2025062074
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Improper locking (CVE-ID: CVE-2022-49943)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the usb_gadget_disconnect(), gadget_bind_driver(), gadget_unbind_driver(), soft_connect_store() and function_show() functions in drivers/usb/gadget/udc/core.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.