Signed integer overflow in the bttv_read function in the bttv driver (bttv-driver.c) in Linux kernel before 2.4.20 has unknown impact and attack vectors.
http://www.redhat.com/support/errata/RHSA-2002-206.html
http://www.redhat.com/support/errata/RHSA-2002-205.html
http://linux.bkbits.net:8080/linux-2.4/cset%403d6badc0mxsPaOTT_GuPVxCp1_ormw