Multiple integer signedness errors in the sg_scsi_ioctl function in scsi_ioctl.c for Linux 2.6.x allow local users to read or modify kernel memory via negative integers in arguments to the scsi ioctl, which bypass a maximum length check before calling the copy_from_user and copy_to_user functions.
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10667
http://www.securityfocus.com/bid/12198
http://www.securityfocus.com/archive/1/386374
http://www.mandriva.com/security/advisories?name=MDKSA-2005:219
http://www.mandriva.com/security/advisories?name=MDKSA-2005:218
http://secunia.com/advisories/17826
http://lists.grok.org.uk/pipermail/full-disclosure/2005-January/030660.html
http://distro.conectiva.com.br/atualizacoes/index.php?id=a&anuncio=000930