ImageMagick before 6.2.4.2-r1 allows local users in the portage group to increase privileges via a shared object in the Portage temporary b…

ImageMagick before 6.2.4.2-r1 allows local users in the portage group to increase privileges via a shared object in the Portage temporary build directory, which is added to the search path allowing objects in it to be loaded at runtime.