CVE-2010-2693 Information

Description

FreeBSD 7.1 through 8.1-PRERELEASE does not copy the read-only flag when creating a duplicate mbuf buffer reference which allows local users to cause a denial of service (system file corruption) and gain privileges via the sendfile system call.

Reference

http://secunia.com/advisories/40567 http://security.freebsd.org/advisories/FreeBSD-SA-10:07.mbuf.asc http://www.securityfocus.com/bid/41577 http://www.securitytracker.com/id?1024182 http://www.vupen.com/english/advisories/2010/1787