CVE-2026-93191 smack: fix incorrect task context in smack_msg_queue_msgrcv

In the Linux kernel, the following vulnerability has been resolved: smack: fix incorrect task context in smackmsgqueuemsgrcv The smackmsgqueuemsgrcv function incorrectly checks the permissions of the 'current' task instead of the 'target' task. In the msgsnd syscall path, if a receiver is already...