#VU112840 Input validation error in Linux kernel - CVE-2025-38325
Published: July 11, 2025
Vulnerability identifier: #VU112840
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-2025-38325
CWE-ID: CWE-20
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 input validation within the alloc_transport() function in fs/smb/server/transport_tcp.c, within the KSMBD_TRANS(), smb_direct_free_transport() and free_transport() functions in fs/smb/server/transport_rdma.c, within the ksmbd_conn_free() function in fs/smb/server/connection.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's repository.