An unspecified vulnerability in the information schema subcomponent of the MySQL protocol component of the Oracle MySQL server allows remote authenticated attackers to alter availability via unspecified vectors. References: [1] http://www.oracle.com/technetwork/topics/security/cpujan2013-1515902.html
This issue affects the version of the mysql package, as shipped with Red Hat Enterprise Linux 6.
This issue has been addressed in following products: Red Hat Enterprise Linux 6 Via RHSA-2013:0219 https://rhn.redhat.com/errata/RHSA-2013-0219.html