http://www.gossamer-threads.com/lists/linux/kernel/906341 http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=90fe17f4df2f830601ffd422b11d1f7f9a9d0355 Potential NULL pointer dereference in get_thinkpad_model_data() in drivers/misc/thinkpad_acpi.c 2.6.23->2.6.25.3 are definitely affected, did not check kernels earlier than that. Reproducible: Always Steps to Reproduce: