Microsoft Windows Kernel - Registry Hive Loading Relative Arbitrary Read in nt!RtlValidRelativeSecurityDescriptor (MS16-123)

Source: https://bugs.chromium.org/p/project-zero/issues/detail?id=876 We have encountered a Windows kernel crash in the nt!RtlValidRelativeSecurityDescriptor function invoked by nt!CmpValidateHiveSecurityDescriptors while loading corrupted registry hive files. An example of a crash log excerpt...