security flaw

Some futex functions in futex.c for Linux kernel 2.6.x perform getuser calls while holding the mmapsem semaphore, which could allow local users to cause a deadlock condition in dopagefault by triggering getuser faults while another thread is executing mmap or other functions...

CVE-2003-0700

The C-Media PCI sound driver in Linux before 2.4.22 does not use the getuser function to access userspace in certain conditions, which crosses security boundaries and may facilitate the exploitation of vulnerabilities, a different vulnerability than CVE-2003-0699...