kernel: x86-64: syscall-audit: 32/64 syscall hole

The auditsyscallentry function in the Linux kernel 2.6.28.7 and earlier on the x8664 platform does not properly handle 1 a 32-bit process making a 64-bit syscall or 2 a 64-bit process making a 32-bit syscall, which allows local users to bypass certain syscall audit configurations via crafted...