Security updates for Wednesday

CentOS has updated kernel (C6: multiple vulnerabilities).

Gentoo has updated libupnp (multiple vulnerabilities).

openSUSE has updated firefox (13.1, 12.3: multiple vulnerabilities), lighttpd (13.1, 12.3: two vulnerabilities), and nginx (13.1: code execution).

Oracle has updated kernel (OL6: multiple vulnerabilities) and samba (OL6; OL5: multiple vulnerabilities).

Scientific Linux has updated kernel (SL6: multiple vulnerabilities) and samba and samba3x (SL5&6: multiple vulnerabilities).

SUSE has updated gnutls (certificate verification issues), openssl-certs (certificate update), and Xen (multiple vulnerabilities).