JBoss LogManager has been already upgraded to community version 1.5.3.Final in EAP 6.4.0.DR1 (BZ#1140417) but the productized version is needed due to BZ#1142640. Fully acked in the original component upgrade BZ#1140417
MEAD build: https://brewweb.devel.redhat.com/buildinfo?buildID=386187 RPM6 wrapper: https://brewweb.devel.redhat.com/buildinfo?buildID=386198 RPM5 wrapper: https://brewweb.devel.redhat.com/buildinfo?buildID=386204 RPM7 wrapper: https://brewweb.devel.redhat.com/buildinfo?buildID=386206 Prod rebuild PR: https://github.com/jbossas/jboss-eap/pull/1694
Verified, fixed in EAP-6.4.0.DR2.