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Cisco Bug: CSCus89408 - USB HID class driver crashes the system

Last Modified

Aug 02, 2017

Products (1)

  • Cisco Nexus 5000 Series Switches

Known Affected Releases

5.2(9)N1(1)

Description (partial)

Symptom:
A vulnerability in the USB driver of the Nexus 5000 (N5K) Series Switch could allow an unauthenticated, local attacker to perform a Denial of
Service (DoS) condition due to a kernel crash.

The vulnerability is due to insufficient handling of USB input parameters. An attacker could exploit this vulnerability by sending crafted USB
parameters to be processed by the kernel. An exploit could allow the attacker to create a Denial of Service condition on the affected device.

Conditions:
Device with default configuration.
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Bug Details Include

  • Full Description (including symptoms, conditions and workarounds)
  • Status
  • Severity
  • Known Fixed Releases
  • Related Community Discussions
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