#VU114192 Input validation error in Linux kernel - CVE-2025-38501
Published: August 18, 2025 / Updated: September 17, 2025
Vulnerability identifier: #VU114192
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:P/U:Green
CVE-ID: CVE-2025-38501
CWE-ID: CWE-20
Exploitation vector: Adjecent network
Exploit availability:
Public exploit is available
Vulnerable software:
Linux kernel
Linux kernel
Software vendor:
Linux Foundation
Linux Foundation
Description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to improper input validation within the alloc_transport() and ksmbd_kthread_fn() functions in fs/smb/server/transport_tcp.c. A remote attacker can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's repository.
External links
- https://git.kernel.org/stable/c/6073afe64510c302b7a0683a01e32c012eff715d
- https://git.kernel.org/stable/c/7e5d91d3e6c62a9755b36f29c35288f06c3cd86b
- https://git.kernel.org/stable/c/cb092fc3a62972a4aa47c9fe356c2c6a01cd840b
- https://git.kernel.org/stable/c/e6bb9193974059ddbb0ce7763fa3882bd60d4dc3
- https://git.kernel.org/stable/c/f1ce9258bcbce2491f9f71f7882b6eed0b33ec65
- https://git.kernel.org/stable/c/fa1c47af4ff641cf9197ecdb1f8240cbb30389c1