#VU114242 Use-after-free in Linux kernel - CVE-2025-38555
Published: August 20, 2025
Vulnerability identifier: #VU114242
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2025-38555
CWE-ID: CWE-416
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 escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the composite_os_desc_req_prepare() function in drivers/usb/gadget/composite.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's repository.
External links
- https://git.kernel.org/stable/c/151c0aa896c47a4459e07fee7d4843f44c1bb18e
- https://git.kernel.org/stable/c/5f06ee9f9a3665d43133f125c17e5258a13f3963
- https://git.kernel.org/stable/c/aada327a9f8028c573636fa60c0abc80fb8135c9
- https://git.kernel.org/stable/c/bd3c4ef60baf7f65c963f3e12d9d7b2b091e20ba
- https://git.kernel.org/stable/c/e1be1f380c82a69f80c68c96a7cfe8759fb30355
- https://git.kernel.org/stable/c/e624bf26127645a2f7821e73fdf6dc64bad07835