Bug 176686 - Permissions too open for /proc/PID/smaps
Summary: Permissions too open for /proc/PID/smaps
Keywords:
Status: CLOSED DUPLICATE of bug 176687
Alias: None
Product: Fedora
Classification: Fedora
Component: kernel
Version: 4
Hardware: i386
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Kernel Maintainer List
QA Contact: Brian Brock
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2005-12-29 23:00 UTC by Guillaume Chazarain
Modified: 2007-11-30 22:11 UTC (History)
1 user (show)

Fixed In Version:
Clone Of:
Environment:
Last Closed: 2005-12-29 23:05:32 UTC
Type: ---
Embargoed:

Attachments (Terms of Use)

Description Guillaume Chazarain 2005-12-29 23:00:03 UTC 
From Bugzilla Helper:
User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; fr-FR; rv:1.7.12) Gecko/20050919 Firefox/1.0.7

Description of problem:
The execshield patch tightens the permissions of /proc/PID/maps
but not the new /proc/PID/smaps.

Version-Release number of selected component (if applicable):
kernel-2.6.14-1.1653_FC4smp

How reproducible:
Always

Steps to Reproduce:
1. cat /proc/1/smaps


Actual Results:  I could discover the memory layout of a process I don't own.

Expected Results:  Like with cat /proc/1/maps I should not have access to these informations.

Additional info:

Not sure about the security risk involved, but it is
inconsistent with the /proc/PID/maps permissions.
Comment 1 Guillaume Chazarain 2005-12-29 23:05:32 UTC 
Sorry for the double click ;-)

*** This bug has been marked as a duplicate of 176687 ***
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