Newly discovered Linux local privilege escalation bug "CopyFail"

tylerni7 writes: A recently discovered logic bug dubbed "CopyFail" in Linux dates back to 2017 and allows local privilege escalation across kernels/distros with a single exploit. The POC exploit works out of the box today, but a future version that can escape from containers like Docker is promised soon. Technical details are available at https://xint.io/blog/copy-fail...