CVE-2025-68817 ksmbd: fix use-after-free in ksmbd_tree_connect_put under concurrency

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix use-after-free in ksmbdtreeconnectput under concurrency Under high concurrency, A tree-connection object tcon is freed on a disconnect path while another path still holds a reference and later executes put/write on it...

PT-2026-2549

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The Linux kernel contains a flaw within the ksmbd module. Specifically, a use-after-free condition can occur in the ksmbd tree connect put function under conditions of high concurrency...