CVE-2025-40103 | Linux Kernel up to 6.1.157/6.6.113/6.12.54/6.17.4/6.18-rc1 cifs_put_tlink reference count

A vulnerability described as critical has been identified in Linux Kernel up to 6.1.157/6.6.113/6.12.54/6.17.4/6.18-rc1. This affects the function cifs_put_tlink. The manipulation results in improper update of reference count.

This vulnerability is reported as CVE-2025-40103. The attacker must have access to the local network to execute the attack. No exploit exists.

Upgrading the affected component is recommended.VulDB Recent EntriesRead More