CVE-2008-3890 Information

Description

The kernel in FreeBSD 6.3 through 7.0 on amd64 platforms can make an extra swapgs call after a General Protection Fault (GPF) which allows local users to gain privileges by triggering a GPF during the kernel’s return from (1) an interrupt (2) a trap or (3) a system call.

Reference

http://secunia.com/advisories/31743 http://security.freebsd.org/advisories/FreeBSD-SA-08:07.amd64.asc http://www.securityfocus.com/bid/31003 http://www.securitytracker.com/id?1020815 https://exchange.xforce.ibmcloud.com/vulnerabilities/44905