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Category:   OS (Linux)  >   Linux Kernel Vendors:   kernel.org
Linux Kernel Input Validation Flaw in Infiniband Lets Local Users Deny Service or Gain Elevated Privileges
SecurityTracker Alert ID:  1032224
SecurityTracker URL:  http://securitytracker.com/id/1032224
CVE Reference:   CVE-2014-8159   (Links to External Site)
Date:  May 4 2015
Impact:   Denial of service via local system, Root access via local system, User access via local system
Fix Available:  Yes  Vendor Confirmed:  Yes  

Description:   A vulnerability was reported in the Linux Kernel. A local user can obtain elevated privileges on the target system. A local user can cause denial of service conditions on the target system.

A local user can supply specially crafted parameters to the Infiniband User Verbs API to access arbitrary physical memory locations to cause the system to crash or to gain elevated privileges.

Access to /dev/infiniband/uverbsX is required to exploit this flaw.

Impact:   A local user can obtain elevated privileges on the target system.

A local user can cause denial of service conditions on the target system.

Solution:   No solution was available at the time of this entry.
Vendor URL:  www.kernel.org/ (Links to External Site)
Cause:   Input validation error

Message History:   This archive entry has one or more follow-up message(s) listed below.
May 4 2015 (Red Hat Issues Fix) Linux Kernel Input Validation Flaw in Infiniband Lets Local Users Deny Service or Gain Elevated Privileges
Red Hat has issued a fix for Red Hat Enterprise Linux 5, 5.6, 6, 6.2, 6.4, 6.5, and 7.
May 4 2015 (Ubuntu Issues Fix) Linux Kernel Input Validation Flaw in Infiniband Lets Local Users Deny Service or Gain Elevated Privileges
Ubuntu has issued a fix for Ubuntu 10.04 LTS, 12.04 LTS, 14.04 LTS, and 14.10.
Jul 31 2015 (Oracle Issues Fix for Oracle Linux) Linux Kernel Input Validation Flaw in Infiniband Lets Local Users Deny Service or Gain Elevated Privileges
Oracle has issued a fix for Oracle Linux 6 and 7.



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