A race condition was found between between mmget_not_zero()/get_task_mm() when core dumping tasks. A local attacker is able to exploit race condition where locking of semaphore would allow an attacker to leak kernel memory to userspace.
Name: Andrea Arcangeli (Red Hat Engineering)
Created kernel tracking bugs for this issue:
Affects: fedora-all [bug 1696078]
CVE-2019-11599 was kept and CVE-2019-3892 REJECTed as reservation duplicate of CVE-2019-11599:
*** This bug has been marked as a duplicate of bug 1705937 ***