Linux 2.6.9 fixes a set of race conditions in the Linux terminal subsystem which are believed to go back to 2.2 kernels if not earlier. The race shows up problematically in two places.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/34796/linuxRace.txt
Source: https://packetstormsecurity.com/files/34796/linuxRace.txt.html