Brute force attack on LUKS password decryption via initramfs (CVE-2016-4484)

Updated -

It was found that dracut-generated initramfs would drop a local user to an emergency shell when decryption of a LUKS-encrypted (Linux Unified Key Setup) partition failed. An attacker with physical access to a machine or with access to the boot console of a system could potentially brute-force the LUKS password using the dracut shell, and possibly be able to copy off the encrypted partition for...

Subscriber exclusive content

A Red Hat subscription provides unlimited access to our knowledgebase of over 48,000 articles and solutions.

Current Customers and Partners

Log in for full access

Log In

Welcome! Check out the Getting Started with Red Hat page for quick tours and guides for common tasks.