The Norwegian Dagensit. reported that they have retrieved their password in a file that is published on a Russian website.
LinkedIn is a social networking site for business use and has more than 160 million users. It is not certain whether the passwords except the other account information has been captured, but that seems unlikely, says Tweakers.net.
So, just be sure and check your account on Linkedin. And if you can still accesss it, then change your password.