Bug 773280 - (CVE-2012-0038) CVE-2012-0038 kernel: xfs heap overflow
CVE-2012-0038 kernel: xfs heap overflow
Status: CLOSED ERRATA
Product: Security Response
Classification: Other
Component: vulnerability (Show other bugs)
unspecified
All Linux
medium Severity medium
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Assigned To: Red Hat Product Security
impact=moderate,public=20111216,repor...
: Security
Depends On: 773282 773283 773284 773285 782682 816625
Blocks: 773263
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Reported: 2012-01-11 07:17 EST by Eugene Teo (Security Response)
Modified: 2015-07-31 02:47 EDT (History)
21 users (show)

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Doc Type: Bug Fix
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Last Closed: 2013-08-24 09:15:07 EDT
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RHEL 7.3 requirements from Atomic Host:


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Description Eugene Teo (Security Response) 2012-01-11 07:17:06 EST
Commit ef14f0c1578dce4b688726eb2603e50b62d6665a introduced an integer overflow in the ACL handling code, which could further lead to heap-based buffer overflow via a crafted filesystem.

Upstream commits:
http://git.kernel.org/linus/fa8b18edd752a8b4e9d1ee2cd615b82c93cf8bba
http://git.kernel.org/linus/093019cf1b18dd31b2c3b77acce4e000e2cbc9ce

Both commits are needed to fix the vulnerability.

The vulnerability seems to first appear in 2.6.32-rc1.  3.2 contains only the
first commit.

Acknowledgements:

Red Hat would like to thank Wang Xi for reporting this issue.
Comment 3 Eugene Teo (Security Response) 2012-01-18 02:09:55 EST
Created kernel tracking bugs for this issue

Affects: fedora-all [bug 782682]
Comment 5 errata-xmlrpc 2012-02-23 15:24:15 EST
This issue has been addressed in following products:

  MRG for RHEL-6 v.2

Via RHSA-2012:0333 https://rhn.redhat.com/errata/RHSA-2012-0333.html
Comment 6 errata-xmlrpc 2012-03-06 13:46:24 EST
This issue has been addressed in following products:

  Red Hat Enterprise Linux 6

Via RHSA-2012:0350 https://rhn.redhat.com/errata/RHSA-2012-0350.html
Comment 7 Eugene Teo (Security Response) 2012-03-06 22:00:44 EST
Statement:

This issue did not affect the Linux kernel as shipped with Red Hat Enterprise Linux 4 as it did not have support for the XFS file system. It did not affect the Linux kernel as shipped with Red Hat Enterprise Linux 5 as it did not backport the upstream commit ef14f0c1 that introduced the vulnerability. This has been addressed in Red Hat Enterprise Linux 6 and Red Hat Enterprise MRG via https://rhn.redhat.com/errata/RHSA-2012-0350.html, and https://rhn.redhat.com/errata/RHSA-2012-0333.html.
Comment 9 errata-xmlrpc 2012-06-26 14:43:05 EDT
This issue has been addressed in following products:

  Red Hat Enterprise Linux 6.1 EUS - Server Only

Via RHSA-2012:1042 https://rhn.redhat.com/errata/RHSA-2012-1042.html

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