CVE-2026-90166

In the Linux kernel, the following vulnerability has been resolved:

smb/server: fix null-ptr-deref in ksmbd_ipc_tree_connect_request()

See the procedure below:

ksmbd_tree_conn_connect

ksmbd_share_config_get

share->name = kstrdup() // fail

if (!test_share_config_flag(share, KSMBD_SHARE_FLAG_PIPE)) // false

// do not check `share->name`

ksmbd_ipc_tree_connect_request

strlen(share->name) // null-ptr-deref