#VU122354 Improper locking in Linux kernel - CVE-2026-23103
Published: February 5, 2026
Vulnerability identifier: #VU122354
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-2026-23103
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 ipvlan_port_create(), ipvlan_uninit(), ipvlan_open(), ipvlan_stop(), ipvlan_link_new(), ipvlan_link_delete(), ipvlan_add_addr(), ipvlan_del_addr(), ipvlan_add_addr6(), ipvlan_addr6_validator_event() and ipvlan_addr4_validator_event() functions in drivers/net/ipvlan/ipvlan_main.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's repository.