Security: fix cap_file_mmap() off-by-one error to avoid kernel null pointer exploit
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From: wzt wzt on 15 Apr 2010 08:30 > The fix to the comment is fine, but you missed the point ENTIRELY. i'll send a new patch only fix the comment. > The WHOLE point of being able to set dac_mmap_min_addr == 0 is so you can > disable the protection. There exist tools (wine and dosemu) which NEED > to map the 0 page. thanks for explain it, i really understood wrong before. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo(a)vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ |