CVE-2015-4205
Cisco IOS XR 5.3.1 on ASR 9000 devices allows remote attackers to cause a denial of service (NPU chip reset or line-card reload) by sending crafted IEEE 802.3x flow-control PAUSE frames on the local network, aka Bug ID CSCut19959.
Date published : 2015-06-23
http://www.securityfocus.com/bid/75352
http://tools.cisco.com/security/center/viewAlert.x?alertId=39455