A vulnerability has been reported in the Linux Kernel, which can be exploited by malicious, local users to cause a DoS (Denial of Service).
The vulnerability is caused due to the kernel improperly using the "current->clear_child_tid" pointer from a parent process when writing to memory in a child process. This can be exploited to corrupt memory in a child process created with "fork()".
Solution: Update to version 22.214.171.124.
Provided and/or discovered by: Jens Rosenboom
Original Advisory: http://lkml.org/lkml/2009/7/31/76
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Subject: Linux Kernel "clear_child_tid" Memory Corruption
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