Summary
The remote host is missing updates announced in
advisory GLSA 200401-01.
Solution
Users are encouraged to upgrade to the latest available sources for their system:
$> emerge sync
$> emerge -pv your-favourite-sources
$> emerge your-favourite-sources
$> # Follow usual procedure for compiling and installing a kernel.
$> # If you use genkernel, run genkernel as you would do normally.
$> # IF YOUR KERNEL IS MARKED as 'remerge required!' THEN $> # YOU SHOULD UPDATE YOUR KERNEL EVEN IF PORTAGE $> # REPORTS THAT THE SAME VERSION IS INSTALLED.
http://www.securityspace.com/smysecure/catid.html?in=GLSA%20200401-01 http://bugs.gentoo.org/show_bug.cgi?id=37292
http://isec.pl/vulnerabilities/isec-0012-mremap.txt
Insight
A critical security vulnerability has been found in recent Linux kernels which allows for local privelege escalation.