samba is vulnerable to symlink attack. Local users are able to mount a CIFS share on an arbitrary mountpoint using symlinks on the mountpoint directory file to gain additional privileges
git.samba.org/?p=samba.git;a=commit;h=3ae5dac462c4ed0fb2cd94553583c56fce2f9d80
git.samba.org/?p=samba.git;a=commit;h=a0c31ec1c8d1220a5884e40d9ba6b191a04a24d5
lists.fedoraproject.org/pipermail/package-announce/2010-January/034444.html
lists.fedoraproject.org/pipermail/package-announce/2010-January/034470.html
lists.opensuse.org/opensuse-security-announce/2010-08/msg00001.html
secunia.com/advisories/38286
secunia.com/advisories/38308
secunia.com/advisories/38357
security.gentoo.org/glsa/glsa-201206-29.xml
www.mandriva.com/security/advisories?name=MDVSA-2010:090
www.securityfocus.com/bid/37992
www.securityfocus.com/bid/39898
www.ubuntu.com/usn/USN-893-1
www.vupen.com/english/advisories/2010/1062
access.redhat.com/errata/RHBA-2011:0054
bugzilla.redhat.com/show_bug.cgi?id=532940
bugzilla.redhat.com/show_bug.cgi?id=558833
bugzilla.samba.org/show_bug.cgi?id=6853
exchange.xforce.ibmcloud.com/vulnerabilities/55944