Bug 630563 - kernel: additional stack guard patches [rhel-5.6]
Summary: kernel: additional stack guard patches [rhel-5.6]
Keywords:
Status: CLOSED ERRATA
Alias: None
Product: Red Hat Enterprise Linux 5
Classification: Red Hat
Component: kernel
Version: 5.6
Hardware: All
OS: Linux
high
high
Target Milestone: rc
: ---
Assignee: Johannes Weiner
QA Contact: Red Hat Kernel QE team
URL:
Whiteboard:
Depends On: 630562 630564
Blocks: 659288 659289 659290
TreeView+ depends on / blocked
 
Reported: 2010-09-06 08:31 UTC by Eugene Teo (Security Response)
Modified: 2013-01-11 03:15 UTC (History)
9 users (show)

Fixed In Version:
Doc Type: Bug Fix
Doc Text:
Clone Of: 630562
Environment:
Last Closed: 2011-01-13 21:15:44 UTC
Target Upstream Version:
Embargoed:


Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2011:0017 0 normal SHIPPED_LIVE Important: Red Hat Enterprise Linux 5.6 kernel security and bug fix update 2011-01-13 10:37:42 UTC

Description Eugene Teo (Security Response) 2010-09-06 08:31:26 UTC
+++ This bug was initially created as a clone of Bug #630562 +++

Description of problem:
Please backport:
  mm: make the mlock() stack guard page checks stricter
  7798330ac8114c731cfab83e634c6ecedaa233d7

  guard page for stacks that grow upwards
  8ca3eb08097f6839b2206e2242db4179aee3cfb3

Comment 2 Eugene Teo (Security Response) 2010-09-06 08:37:07 UTC
>   guard page for stacks that grow upwards
>   8ca3eb08097f6839b2206e2242db4179aee3cfb3

  testcase: http://lkml.org/lkml/2010/8/24/326
  https://patchwork.kernel.org/patch/127431/

Comment 6 RHEL Program Management 2010-12-01 20:20:09 UTC
This request was evaluated by Red Hat Product Management for inclusion in a Red
Hat Enterprise Linux maintenance release.  Product Management has requested
further review of this request by Red Hat Engineering, for potential
inclusion in a Red Hat Enterprise Linux Update release for currently deployed
products.  This request is not yet committed for inclusion in an Update
release.

Comment 11 Jarod Wilson 2010-12-07 19:16:26 UTC
in kernel-2.6.18-236.el5
You can download this test kernel (or newer) from http://people.redhat.com/jwilson/el5

Detailed testing feedback is always welcomed.

Comment 15 errata-xmlrpc 2011-01-13 21:15:44 UTC
An advisory has been issued which should help the problem
described in this bug report. This report is therefore being
closed with a resolution of ERRATA. For more information
on therefore solution and/or where to find the updated files,
please follow the link below. You may reopen this bug report
if the solution does not work for you.

http://rhn.redhat.com/errata/RHSA-2011-0017.html


Note You need to log in before you can comment on or make changes to this bug.