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spfx2.c is a linux kernel module which stops many exploits by protecting the system from code running on the stack. Works by limiting the use of key system calls to library functions. Although spfx2 does not prevent buffer-overflow related crashes, it does make it very difficult to break security with with a buffer-overflow attack, preventing most root compromises.

spfx2.c is a linux kernel module which stops many exploits by protecting the system from code running on the stack. Works by limiting the use of key system calls to library functions. Although spfx2 does not prevent buffer-overflow related crashes, it does make it very difficult to break security with with a buffer-overflow attack, preventing most root compromises.