The shmem_nopage function in shmem.c for the tmpfs driver in Linux kernel 2.6 does not properly verify the address argument, which allows local users to cause a denial of service (kernel crash) via an invalid address.
linux.bkbits.net:8080/linux-2.6/cset%40420551fbRlv9-QG6Gw9Lw_bKVfPSsg
lkml.org/lkml/2005/2/5/111
www.redhat.com/support/errata/RHSA-2005-366.html
www.securityfocus.com/archive/1/427980/100/0/threaded
www.securityfocus.com/bid/12970
oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10400
usn.ubuntu.com/103-1/