Sun Brocade SilkWorm embedded Linux kernel denial of service

sun-brocade-kernel-dos (34495) The risk level is classified as MediumMedium Risk

Description:

Multiple Sun Brocade SilkWorm switches are vulnerable to a denial of service, caused by improper handling of user-created kernel processes by the embedded Linux kernel. A local attacker could exploit this vulnerability using unspecified attack vectors to cause the device to reboot.

*CVSS:

Base Score: 2.8
  Access Vector: Local
  Access Complexity: High
  Authentication: Not Required
  Confidentiality Impact: None
  Integrity Impact: None
  Availability Impact: Complete
 
Temporal Score: 2.1
  Exploitability: Unproven
  Remediation Level: Official-Fix
  Report Confidence: Confirmed

Consequences:

Denial of Service

Remedy:

Refer to Sun Alert ID: 102752 for patch, upgrade, or suggested workaround information. See References.

References:

  • Sun Alert ID: 102752: Brocade Switches May Panic With "Kernel Access of Bad Area" Error.
  • BID-24036: Sun Brocade Switches Denial Of Service Vulnerability
  • CVE-2007-2764: The embedded Linux kernel in certain Sun-Brocade SilkWorm switches before 20070516 does not properly handle a situation in which a non-root user creates a kernel process, which allows attackers to cause a denial of service (oops and device reboot) via unspecified vectors.
  • OSVDB ID: 39117: SilkWorm Switches Linux Kernel Process Creation Unspecified Remote DoS

Platforms Affected:

  • Brocade SilkWorm 12000 Director
  • Brocade SilkWorm 200E Switch
  • Brocade SilkWorm 24000 Director
  • Brocade SilkWorm 3250 Fabric Switch
  • Brocade SilkWorm 3850 Fabric Switch
  • Brocade SilkWorm 3900 Fabric Switch
  • Brocade SilkWorm 48000 Director
  • Brocade SilkWorm 4900 Fibre Channel Switch

Reported:

May 16, 2007

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The information within this database may change without notice. Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. In no event shall IBM be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.

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