They can't be exploited remotely and they don't affect Windows systems, but security experts say there are at least two good reasons for IT administrators to worry about <A HREF="http://searchsecurity.techtarget.com/news/article/0,289142,sid14_gci1299078,00.html?track=sy160&asrc=RSS_RSS-10_160">flaws in version 2.6 of the Linux Kernel.</A>

First, a vulnerability researcher has released exploit code that could be fashioned into potent attacks against Linux-based environments. Second, a malicious insider could use the flaws to expose sensitive company data.