"value":"In the Linux kernel, the following vulnerability has been resolved:\n\nperf/aux: Fix AUX buffer serialization\n\nOle reported that event->mmap_mutex is strictly insufficient to\nserialize the AUX buffer, add a per RB mutex to fully serialize it.\n\nNote that in the lock order comment the perf_event::mmap_mutex order\nwas already wrong, that is, it nesting under mmap_lock is not new with\nthis patch."