CVE-2010-4256 (linux_kernel) Posted by Cyberthreat Blog | Aug 11, 2020 | CVE Validated | 0 | LinkedIn The pipe_fcntl function in fs/pipe.c in the Linux kernel before 2.6.37 does not properly determine whether a file is a named pipe, which allows local users to cause a denial of service via an F_SETPIPE_SZ fcntl call.