The Cisco 10000 Series Router is affected by a denial of service (DoS) vulnerability where an attacker could cause a device reload by sending a series of ICMP packets.
Cisco has released software updates that address this vulnerability.
Workarounds that mitigate this vulnerability are also available. This advisory is posted at http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20110928-c10k ["http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20110928-c10k"].
Note: The September 28, 2011, Cisco IOS Software Security Advisory bundled publication includes ten Cisco Security Advisories. Nine of the advisories address vulnerabilities in Cisco IOS Software, and one advisory addresses a vulnerability in Cisco Unified Communications Manager. Each advisory lists the Cisco IOS Software releases that correct the vulnerability or vulnerabilities detailed in the advisory as well as the Cisco IOS Software releases that correct all vulnerabilities in the September 2011 Bundled Publication.
Individual publication links are in "Cisco Event Response: Semiannual Cisco IOS Software Security Advisory Bundled Publication" at the following link: