The ptrace_start function in kernel/ptrace.c in the Linux kernel 2.6.18 does not properly handle simultaneous execution of the do_coredump function, which allows local users to cause a denial of service (deadlock) via vectors involving the ptrace system call and a coredumping thread.
| Software | From | Fixed in |
|---|---|---|
| linux / linux_kernel | 2.6.18 | 2.6.18.x |