Integer overflow in the ubsec_keysetup function for Linux Broadcom 5820 cryptonet driver allows local users to cause a denial of service (crash) and possibly execute arbitrary code via a negative add_dsa_buf_bytes variable, which leads to a buffer overflow.
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9773
https://exchange.xforce.ibmcloud.com/vulnerabilities/16459
http://www.securityfocus.com/bid/10599
http://www.redhat.com/support/errata/RHSA-2005-283.html
http://www.redhat.com/support/errata/RHSA-2004-549.html
http://www.ciac.org/ciac/bulletins/p-047.shtml