kexec-tools is vulnerable to information disclosure. mkdumprd created initrd files with world-readable permissions. A local user could possibly use this flaw to gain access to sensitive information, such as the private SSH key used to authenticate to a remote server when kdump was configured to dump to an SSH target.
rhn.redhat.com/errata/RHSA-2011-1532.html
rhn.redhat.com/errata/RHSA-2012-0152.html
access.redhat.com/errata/RHSA-2011:1532
access.redhat.com/security/updates/classification/#moderate
bugzilla.redhat.com/show_bug.cgi?id=716439
docs.redhat.com/docs/en-US/Red_Hat_Enterprise_Linux/6/html/6.2_Technical_Notes/kexec-tools.html#RHSA-2011-1532