Threat Level: green Handler on Duty: Didier Stevens

SANS ISC: Cisco Security Advisory SANS ISC InfoSec Forums

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Cisco Security Advisory

Cisco Intrusion Prevention System (IPS) platforms that have gigabit network interfaces installed and are deployed in inline mode contain a denial of service vulnerability in the handling of jumbo Ethernet frames. This vulnerability may lead to a kernel panic that requires a power cycle to recover platform operation. Platforms deployed in promiscuous mode only or that do not contain gigabit network interfaces are not vulnerable.

Cisco has released free software updates that address this vulnerability. There is a workaround for this vulnerability.

This advisory is posted here

Chris

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