2.4.36-pre1, Preventing NULL Dereferences
"I've just released Linux 2.4.36-pre1," announced 2.4 maintainer Willy Tarreau. He described a new feature found in the first pre-release:
"In private discussions, Solar Designer proposed to restrict the ability to map the NULL address to CAP_RAW_IO capable processes only. The idea behind this was to
prevent 'normal' users from trying to exploit NULL dereferences in the kernel which have not been discovered yet. This is purely a preventive measure."
Willy added that a similar feature exists in the 2.6 kernel, "Chris Wright noted that 2.6 already has a somewhat similar feature brought by Eric Paris.
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