#VU121511 Input validation error in Linux kernel - CVE-2025-71102
Published: January 14, 2026
Vulnerability identifier: #VU121511
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-2025-71102
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 scs_check_usage() function in kernel/scs.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's repository.
External links
- https://git.kernel.org/stable/c/062774439d442882b44f5eab8c256ad3423ef284
- https://git.kernel.org/stable/c/08bd4c46d5e63b78e77f2605283874bbe868ab19
- https://git.kernel.org/stable/c/57ba40b001be27786d0570dd292289df748b306b
- https://git.kernel.org/stable/c/9ef28943471a16e4f9646bc3e8e2de148e7d8d7b
- https://git.kernel.org/stable/c/a19fb3611e4c06624fc0f83ef19f4fb8d57d4751