Images won't upload in media

As of today, images will not upload to any of my wordpress sites. They hang and then http error out. I’ve deactivated plugins, no change. I checked the apache log and there are errors related to modsecurity and the inability to create temp files in /run/shm/modsec_tmp/ that seem to be related to the uploaded image files. I’m clueless about this modsecurity module, is that something dreamhost initiated?

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Matt C