[lkml]   [2003]   [Apr]   [3]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
    SubjectRe: How to fix the ptrace flaw without rebooting
    Chuck Ebbert ( wrote:
    > Author: Chuck Ebbert
    > Adapted from: Phrack Inc., Volume 0x0b, Issue 0x3a, Phile #0x07
    > Directions: Run this program as root on an x86 machine.
    > It will disable the ptrace system call, thus
    > fixing the Linux 'ptrace flaw'. (It will also
    > break strace, debugging tools and User Mode Linux.)
    > WARNING: Your computer may crash or do other strange things
    > if you run this program as root. No warranty.

    If you can't reboot to apply a security fix, you've got a serious problem.

    A better fix in a running system is to simply disable dynamic module
    loading: echo /no/such/file > /proc/sys/kernel/modprobe
    At the very least you can be sure your machine won't crash this way ;-)

    Erik Hensema <>
    To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
    the body of a message to
    More majordomo info at
    Please read the FAQ at

     \ /
      Last update: 2005-03-22 13:34    [W:0.024 / U:8.536 seconds]
    ©2003-2017 Jasper Spaans. hosted at Digital OceanAdvertise on this site