CVE-2026-104112 Missing release of passed file descriptors in illumos nscd allows local users to exhaust kernel memory

A missing release of resources in the illumos name service cache daemon nscd allows a local user to exhaust kernel memory. The nscd door server procedure, switcher in usr/src/cmd/nscd/nscdfrontend.c, does not close file descriptors that are passed with a door call but not used by the request, and...