Bug 456052 - kernel: fix array out of bounds when mounting with selinux options [rhel-5.3]
kernel: fix array out of bounds when mounting with selinux options [rhel-5.3]
Product: Red Hat Enterprise Linux 5
Classification: Red Hat
Component: kernel (Show other bugs)
All Linux
low Severity low
: rc
: ---
Assigned To: Eugene Teo (Security Response)
Martin Jenner
Depends On: 456051
  Show dependency treegraph
Reported: 2008-07-21 04:53 EDT by Eugene Teo (Security Response)
Modified: 2009-01-20 15:22 EST (History)
2 users (show)

See Also:
Fixed In Version:
Doc Type: Bug Fix
Doc Text:
Story Points: ---
Clone Of:
Last Closed: 2009-01-20 15:22:37 EST
Type: ---
Regression: ---
Mount Type: ---
Documentation: ---
Verified Versions:
Category: ---
oVirt Team: ---
RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: ---

Attachments (Terms of Use)
Upstream patch for this issue (1.28 KB, patch)
2008-07-21 04:54 EDT, Eugene Teo (Security Response)
no flags Details | Diff

  None (edit)
Description Eugene Teo (Security Response) 2008-07-21 04:53:08 EDT
+++ This bug was initially created as a clone of Bug #456051 +++

Description of problem:
Given an illegal selinux option it was possible for match_token to work in
random memory at the end of the match_table_t array.

Note that privilege is required to perform a context mount, so this issue is
effectively limited to root only.

-- Additional comment from eteo@redhat.com on 2008-07-21 04:49 EST --
Proposed upstream patch:
Comment 1 Eugene Teo (Security Response) 2008-07-21 04:54:23 EDT
Created attachment 312236 [details]
Upstream patch for this issue
Comment 3 RHEL Product and Program Management 2008-07-21 09:42:03 EDT
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
Comment 5 Don Zickus 2008-07-25 16:26:54 EDT
in kernel-2.6.18-100.el5
You can download this test kernel from http://people.redhat.com/dzickus/el5
Comment 9 errata-xmlrpc 2009-01-20 15:22:37 EST
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.


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