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Category:   Device (VoIP/Phone/FAX)  >   Google Android Vendors:   Google
(Google Issues Fix for Google Android) Linux Kernel setsockopt() Bugs Let Local Users Deny Service and Gain Elevated Privileges
SecurityTracker Alert ID:  1036768
SecurityTracker URL:  http://securitytracker.com/id/1036768
CVE Reference:   CVE-2016-4998   (Links to External Site)
Date:  Sep 12 2016
Impact:   Denial of service via local system, Execution of arbitrary code via local system, Root access via local system
Fix Available:  Yes  Vendor Confirmed:  Yes  

Description:   Several vulnerabilities were reported in the Linux kernel. A local user can cause denial of service conditions on the target system. A local user can obtain elevated privileges on the target system. Google Android is affected.

A local user can trigger a memory corruption error in the IPT_SO_SET_REPLACE compat_setsockopt() function to execute arbitrary code with kernel-level privileges [CVE-2016-4997].

A local user can issue a specially crafted IPT_SO_SET_REPLACE setsockopt() call to trigger an out-of-bounds memory access error and cause the target sysetm to crash [CVE-2016-4998].

Jesse Hertz and Tim Newsham reported these vulnerabilities.

Impact:   A local user can cause the target system to crash.

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

Solution:   Google has issued a fix for CVE-2016-4998 for Google Android (Security patch level 2016-09-05).

The Google advisory is available at:

https://source.android.com/security/bulletin/2016-09-01.html

Vendor URL:  source.android.com/security/bulletin/2016-09-01.html (Links to External Site)
Cause:   Access control error

Message History:   This archive entry is a follow-up to the message listed below.
Jun 24 2016 Linux Kernel setsockopt() Bugs Let Local Users Deny Service and Gain Elevated Privileges



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