CVE-2009-1935

Integer overflow in the pipe_build_write_buffer function (sys/kern/sys_pipe.c) in the direct write optimization feature in the pipe implementation in FreeBSD 7.1 through 7.2 and 6.3 through 6.4 allows local users to bypass virtual-to-physical address lookups and read sensitive information in memory pages via unspecified vectors.

Date published : 2009-06-18

http://www.securityfocus.com/bid/35279

http://security.freebsd.org/patches/SA-09:09/pipe.patch