Re: CVE-2012-0217: SYSRET 64-bit operating system privilege escalation vulnerability on Intel CPU hardware

[Philip Guenther]

On Tuesday, June 12, 2012, bj.perso wrote:
>
> FreeBSD and NetBSD seem affected, how about OpenBSD ?
>

Nope.  The necessary check(s) for setting bogus return addresses has been
in place since, uh, 2004.  Ditto for always returning from signal handlers
using iretq instead of sysretq.


Philip Guenthet