The remote host is missing an update to kvm announced via advisory MDVSA-2009:009.
To upgrade automatically use MandrakeUpdate or urpmi. The verification of md5 checksums and GPG signatures is performed automatically for you. https://secure1.securityspace.com/smysecure/catid.html?in=MDVSA-2009:009
Security vulnerabilities have been discovered and corrected in VNC server of kvm version 79 and earlier, which could lead to denial-of-service attacks (CVE-2008-2382), and make it easier for remote crackers to guess the VNC password (CVE-2008-5714). The updated packages have been patched to prevent this. Affected: 2009.0