Debian Linux Security Advisory 2095-1 – Alasdair Kergon discovered that the cluster logical volume manager daemon (clvmd) in lvm2, The Linux Logical Volume Manager, does not verify client credentials upon a socket connection, which allows local users to cause a denial of service.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/92994/dsa-2095-1.txt
Source: https://packetstormsecurity.com/files/92994/Debian-Linux-Security-Advisory-2095-1.html