The compat_sys_mount function in fs/compat.c in Linux kernel 2.6.20 and earlier allows local users to cause a denial of service (NULL pointer dereference and oops) by mounting a smbfs file system in compatibility mode (“mount -t smbfs”).
git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commitdiff_plain%3Bh=822191a2fa1584a29c3224ab328507adcaeac1ab
rhn.redhat.com/errata/RHSA-2007-0488.html
secunia.com/advisories/25682
secunia.com/advisories/25683
secunia.com/advisories/25700
secunia.com/advisories/25838
secunia.com/advisories/25961
secunia.com/advisories/26133
secunia.com/advisories/26139
secunia.com/advisories/26289
secunia.com/advisories/26620
secunia.com/advisories/29058
support.avaya.com/elmodocs2/security/ASA-2007-287.htm
www.debian.org/security/2008/dsa-1504
www.mandriva.com/security/advisories?name=MDKSA-2007:171
www.mandriva.com/security/advisories?name=MDKSA-2007:196
www.novell.com/linux/security/advisories/2007_35_kernel.html
www.novell.com/linux/security/advisories/2007_43_kernel.html
www.ubuntu.com/usn/usn-486-1
www.ubuntu.com/usn/usn-489-1
www.vupen.com/english/advisories/2007/2209
oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10941
rhn.redhat.com/errata/RHSA-2007-0376.html