The udf_encode_fh function in fs/udf/namei.c in the Linux kernel before 3.6 does not initialize a certain structure member, which allows local users to obtain sensitive information from kernel heap memory via a crafted application. Per https://access.redhat.com/security/cve/CVE-2012-6548
"This issue affects the version of Linux kernel as shipped with Red Hat Enterprise Linux 6. Future kernel updates for Red Hat Enterprise Linux 6 may address this issue."
Publication date: Sat, 16 Mar 2013 01:55:00 +0000