Please Install the Updated Packages.
A vulnerability has been discovered and corrected in nfs-utils It was found that the mount.nfs tool did not handle certain errors correctly when updating the mtab (mounted file systems table) file. A local attacker could use this flaw to corrupt the mtab file (CVE-2011-1749). The updated packages have been patched to correct this issue.
nfs-utils on Mandriva Linux 2010.1, Mandriva Linux 2010.1/X86_64, Mandriva Enterprise Server 5, Mandriva Enterprise Server 5/X86_64