kernel/auditsc.c in the Linux kernel through 3.14.5, when CONFIG_AUDITSYSCALL is enabled with certain syscall rules, allows local users to obtain potentially sensitive single-bit values from kernel memory or cause a denial of service (OOPS) via a large value of a syscall number.
https://bugzilla.redhat.com/show_bug.cgi?id=1102571
http://www.ubuntu.com/usn/USN-2335-1
http://www.ubuntu.com/usn/USN-2334-1
http://www.openwall.com/lists/oss-security/2014/05/29/5
http://secunia.com/advisories/60564
http://secunia.com/advisories/60011
http://secunia.com/advisories/59777
http://rhn.redhat.com/errata/RHSA-2014-1281.html
http://rhn.redhat.com/errata/RHSA-2014-1143.html
http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00020.html