#VU121996 Improper locking in Linux kernel - CVE-2025-71152
Published: January 23, 2026
Vulnerability identifier: #VU121996
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-2025-71152
CWE-ID: CWE-667
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 locking within the dsa_port_parse_of(), dev_find_class(), dsa_switch_release_ports() and dsa_switch_shutdown() functions in net/dsa/dsa.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's repository.