Vulnerability reported on 06/12/2012, dubbed as “” – according to that Some 64-bit operating systems and virtualization software running on Intel CPU hardware are vulnerable to a local privilege escalation attack. Successful exploitation of the problem can lead to local kernel privilege escalation, kernel data corruption and/or crash. The vulnerability may be exploited for local. privilege escalation or a guest-to-host virtual machine escape. However, freebselfaster running on AMD. CPUs is not vulnerable to this particular problem.
Source: https://thehackernews.com/2012/07/cve-2012-0217-intel-sysret-freebsd.html