K22040951 : systemd-journald vulnerability CVE-2019-3815

Security Advisory Description

A memory leak was discovered in the backport of fixes for CVE-2018-16864 in Red Hat Enterprise Linux. Function dispatch_message_real() in journald-server.c does not free the memory allocated by set_iovec_field_free() to store the _CMDLINE= entry. A local attacker may use this flaw to make systemd-journald crash. This issue only affects versions shipped with Red Hat Enterprise since v219-62.2. (CVE-2019-3815)

Impact

A local attacker may be able to cause excessive resource consumption on the BIG-IP system, potentially leading to a failover event.