The vulnerability of the free_pipe_info function in the fs/pipe.c file of the Linux kernel allows a hacker to increase their privileges.

The vulnerability of the freepipeinfo function in the fs/pipe.c file of the Linux kernel relates to the use of memory after it is freed. Exploiting this vulnerability can allow an attacker to increase their privileges...

SUSE CVE-2009-3547

Multiple race conditions in fs/pipe.c in the Linux kernel before 2.6.32-rc6 allow local users to cause a denial of service NULL pointer dereference and system crash or gain privileges by attempting to open an anonymous pipe via a /proc//fd/ pathname...