Cisco IOS XR Denial-of-Service Vulnerability and Ubuntu Security Notices.

Connectikpeople.co recalls that, Cisco has identified a vulnerability that could allow an unauthenticated remote attacker to cause a denial-of-service condition. 

The vulnerability is due to improper processing of malformed IPv6 packets carrying extension headers. A Cisco Carrier Routing System 3 (CRS-3) running a version of Cisco IOS XR software prior to 4.2.1 is affected by this vulnerability.

Users and administrators are encouraged to review the Cisco Security Advisory and apply the necessary updates.

Ubuntu has released 10 security updates to address multiple vulnerabilities affecting Ubuntu 15.04, 14.10, 14.04 LTS, and 12.04 LTS.  Exploitation of one of these vulnerabilities may allow a remote attacker to take control of the affected system.

Therefore, Connectikpeople.co encourages users and administrators to review Ubuntu Security Notices USN-2629-1,  USN-2630-1, USN-2631-1, USN-2632-1, USN-2633-1, USN-2634-1, USN-2635-1, USN-2636-1, USN-2637-1, and USN-2638-1 and apply the necessary updates.