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Category:   Application (Generic)  >   HPE Helion CloudSystem Vendors:   HPE
(HPE Issues Fix for HPE Helion CloudSystem) Linux Kernel Copy-on-Write Memory Management Race Condition Lets Local Users Obtain Elevated Privileges
SecurityTracker Alert ID:  1037489
SecurityTracker URL:  http://securitytracker.com/id/1037489
CVE Reference:   CVE-2016-5195   (Links to External Site)
Date:  Dec 17 2016
Impact:   Execution of arbitrary code via local system, Root access via local system
Fix Available:  Yes  Vendor Confirmed:  Yes  

Description:   A vulnerability was reported in the Linux kernel. A local user can obtain root privileges on the target system. HPE Helion CloudSystem is affected.

A local user can a race condition in the kernel memory subsystem in the management of copy-on-write operations on read-only memory mappings to overwrite kernel memory and gain kernel-level privileges.

This vulnerability is being actively exploited.

Some demonstration exploit code is listed at:

https://github.com/dirtycow/dirtycow.github.io/wiki/PoCs

Impact:   A local user can obtain root privileges on the target system.
Solution:   HPE has issued a fix for HPE Helion CloudSystem (10.0.1).

The HPE advisory is available at:

http://h20566.www2.hpe.com/hpsc/doc/public/display?docId=emr_na-c05352241

Vendor URL:  h20566.www2.hpe.com/hpsc/doc/public/display?docId=emr_na-c05352241 (Links to External Site)
Cause:   Access control error, State error

Message History:   This archive entry is a follow-up to the message listed below.
Oct 22 2016 Linux Kernel Copy-on-Write Memory Management Race Condition Lets Local Users Obtain Elevated Privileges



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