Off-by-one error in the dwarf_to_unw_regnum function in include/dwarf_i.h in libunwind 1.1 allows local users to have unspecified impact via invalid dwarf opcodes.Referenceshttp://rhn.redhat.com/errata/RHSA-2015-1675.htmlhttp://rhn.redhat.com/errata/RHSA-2015-1769.htmlhttps://bugzilla.redhat.com/show_bug.cgi?id=1232265http://git.savannah.gnu.org/cgit/libunwind.git/commit/?id=396b6c7ab737e2bff244d640601c436a26260ca1http://rhn.redhat.com/errata/RHSA-2015-1768.htmlhttp://www.securityfocus.com/bid/76707
