The remote host is missing an update to the system as announced in the referenced advisory.

Update your system with the appropriate patches or software upgrades.

The following package is affected: FreeBSD CVE-2012-0217 The x86-64 kernel system-call functionality in Xen 4.1.2 and earlier, as used in Citrix XenServer 6.0.2 and earlier and other products Oracle Solaris 11 and earlier illumos before r13724 Joyent SmartOS before 20120614T184600Z FreeBSD before 9.0-RELEASE-p3 NetBSD 6.0 Beta and earlier and Microsoft Windows Server 2008 R2 and R2 SP1 and Windows 7 Gold and SP1, when running on an Intel processor, incorrectly uses the sysret path in cases where a certain address is not a canonical address, which allows local users to gain privileges via a crafted application. NOTE: this description clearly does not belong in CVE, because a single entry cannot be about independent codebases however, there was some value in preserving the original mapping of the multi-codebase coordinated-disclosure effort to a single identifier.