SB2025031034 - Input validation error in Linux kernel gadget udc driver
Published: March 10, 2025 Updated: May 11, 2025
Security Bulletin ID
SB2025031034
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) Input validation error (CVE-ID: CVE-2025-21838)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper input validation within the usb_del_gadget() function 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.
References
- https://git.kernel.org/stable/c/399a45e5237ca14037120b1b895bd38a3b4492ea
- https://git.kernel.org/stable/c/859cb45aefa6de823b2fa7f229fe6d9562c9f3b7
- https://git.kernel.org/stable/c/97695b5a1b5467a4f91194db12160f56da445dfe
- https://git.kernel.org/stable/c/e3bc1a9a67ce33a2e761e6e7b7c2afc6cb9b7266
- https://git.kernel.org/stable/c/f894448f3904d7ad66fecef8f01fe0172629e091
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.12.16