chrony vulnerabilities (Red Hat)

3 vulnerabilities.

• chrony Red Hat chrony before 1.31.1 does not properly protect state variables in authenticated symmetric NTP... CVE-2015-1853 Fix available 6.5 MediumApril 12, 2015
• chrony Red Hat chrony before 1.31.1 does not initialize the last "next" pointer when saving unacknowledged... CVE-2015-1822 Fix available 6.5 MediumApril 12, 2015
• chrony Red Hat Heap-based buffer overflow in chrony before 1.31.1 allows remote authenticated users to cause a... CVE-2015-1821 Fix available 6.5 MediumApril 12, 2015