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Category:   OS (Linux)  >   Linux Kernel Vendors:   kernel.org
(Ubuntu Issues Fix) Linux Kernel Flaw Lets Local Users Bypass Address Space Layout Randomization Protection on the Target System
SecurityTracker Alert ID:  1035772
SecurityTracker URL:  http://securitytracker.com/id/1035772
CVE Reference:   CVE-2016-3672   (Links to External Site)
Date:  May 6 2016
Impact:   Modification of system information
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): Ubuntu 16.04 LTS
Description:   A vulnerability was reported in the Linux kernel. A local user can bypass security restrictions.

A local user that can run a 32-bit application on an x86 system can set the RLIMIT_STACK resource to unlimited to bypass address space layout randomization (ASLR) protection on the target system.

The original advisory is available at:

http://hmarco.org/bugs/CVE-2016-3672-Unlimiting-the-stack-not-longer-disables-ASLR.html

Impact:   A local user can bypass address space layout randomization (ASLR) protection on the target system.
Solution:   Ubuntu has issued a fix.

The Ubuntu advisory is available at:

http://www.ubuntu.com/usn/usn-2965-1

Vendor URL:  www.ubuntu.com/usn/usn-2965-1 (Links to External Site)
Cause:   Access control error

Message History:   This archive entry is a follow-up to the message listed below.
Apr 7 2016 Linux Kernel Flaw Lets Local Users Bypass Address Space Layout Randomization Protection on the Target System



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