diff --git a/fs/io_uring.c b/fs/io_uring.c
index 709671faaed6..b1c9ad1fb9e1 100644
--- a/fs/io_uring.c
+++ b/fs/io_uring.c
@@ -3716,6 +3716,12 @@ SYSCALL_DEFINE6(io_uring_enter, unsigned int, fd, u32, to_submit,
 			wake_up(&ctx->sqo_wait);
 		submitted = to_submit;
 	} else if (to_submit) {
+		if (current->mm != ctx->sqo_mm ||
+		    current_cred() != ctx->creds) {
+			ret = -EPERM;
+			goto out;
+		}
+
 		to_submit = min(to_submit, ctx->sq_entries);
 
 		mutex_lock(&ctx->uring_lock);