Security updates for Thursday

CentOS has updated kernel (C5: privilege escalation).

Fedora has updated bind (F20: two denial of service flaws), cpio (F21: denial of service), pam (F20: two vulnerabilities, one from 2013), and tcpdump (F20: three vulnerabilities).

Red Hat has updated kernel (RHEL7; RHEL6; RHEL5: privilege escalation).

Scientific Linux has updated kernel (SL7; SL5: privilege escalation).