libvdpau lib32vdpau: multiple issues

• CVE-2015-5198 (Local Privilege Escalation)

When used in a setuid or setgid application, libvdpau/lib32-libvdpau allows
local users to gain privileges via unspecified vectors, related to the
VDPAU_DRIVER_PATH environment variable.

• CVE-2015-5199 (Directory Traversal)

Directory traversal vulnerability in dlopen in libvdpau/lib32/libvdpau allows
local users to gain privileges via the VDPAU_DRIVER environment variable.

• CVE-2015-5200 (Directory Traversal)

The trace functionality in libvdpau/lib32-libvdpau, when used in a setuid or
setgid application, allows local users to write to arbitrary files via
unspecified vectors.