"All users of the 2.6.16 kernel are recommended to upgrade to this kernel, as it fixes a publicly known security issue that can provide root access to any local user of the machine." and... "All users of the 2.6.17 kernel are recommended to upgrade to this kernel, as it fixes a publicly known security issue that can provide root access to any local user of the machine." Yikes! Marking "Critical" <- apologies if that is too high for this bug. Thanks.
We already include the less obtrusive fixes, see the gentoo-sources changelog *** This bug has been marked as a duplicate of 140444 ***