Multiple race conditions in the (1) mount.cifs and (2) umount.cifs programs in Samba 3.6 allow local users to cause a denial of service (mounting outage) via a SIGKILL signal during a time window when the /etc/mtab~ file exists.
[
{
"product": "Samba",
"vendor": "Samba",
"versions": [
{
"status": "affected",
"version": "3.6"
}
]
}
]