Bug 648656 (CVE-2010-4072) - CVE-2010-4072 kernel: ipc/shm.c: reading uninitialized stack memory
Summary: CVE-2010-4072 kernel: ipc/shm.c: reading uninitialized stack memory
Status: NEW
Alias: CVE-2010-4072
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: Unspecified
OS: Unspecified
low
low
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard: public=20101006,reported=20101007,sou...
Keywords: Security
Depends On: 648685 648686 648687 648688 648689 648816 648817
Blocks:
TreeView+ depends on / blocked
 
Reported: 2010-11-01 21:11 UTC by Petr Matousek
Modified: 2018-08-28 21:51 UTC (History)
14 users (show)

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Clone Of:
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Last Closed:


Attachments (Terms of Use)


External Trackers
Tracker ID Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2010:0958 normal SHIPPED_LIVE Important: kernel-rt security and bug fix update 2010-12-08 19:08:55 UTC
Red Hat Product Errata RHSA-2011:0007 normal SHIPPED_LIVE Important: kernel security and bug fix update 2011-01-11 19:44:55 UTC
Red Hat Product Errata RHSA-2011:0017 normal SHIPPED_LIVE Important: Red Hat Enterprise Linux 5.6 kernel security and bug fix update 2011-01-13 10:37:42 UTC
Red Hat Product Errata RHSA-2011:0162 normal SHIPPED_LIVE Important: kernel security and bug fix update 2011-01-18 17:45:00 UTC

Description Petr Matousek 2010-11-01 21:11:27 UTC
Description of problem:
The old shm interface allows unprivileged users to read uninitialized stack memory, because shmid_ds structure declared on the stack is not altered or zeroed before being copied back to the user.

Reference:
http://www.openwall.com/lists/oss-security/2010/10/07/1
http://lkml.org/lkml/2010/10/6/454

Acknowledgements:

Red Hat would like to thank Vasiliy Kulikov of Openwall and Kees Cook for reporting this issue.

Comment 3 Petr Matousek 2010-11-02 10:32:24 UTC
Statement:

This issue is not planned to be fixed in Red Hat Enterprise Linux 3, due to this product being in Extended Life Cycle Phase of its maintenance life-cycle, where only qualified security errata of critical impact are addressed.
                                   
For further information about the Errata Support Policy, visit:
http://www.redhat.com/security/updates/errata

Comment 5 Eugene Teo (Security Response) 2010-11-22 13:25:55 UTC
Upstream commit:
http://git.kernel.org/linus/3af54c9bd9e6f14f896aac1bb0e8405ae0bc7a44

Comment 6 Kyle McMartin 2010-11-23 16:02:14 UTC
Thanks, picked this up for Fedora (since it also seems missing from the latest stable.)

Comment 7 errata-xmlrpc 2010-12-08 19:09:47 UTC
This issue has been addressed in following products:

  MRG for RHEL-5

Via RHSA-2010:0958 https://rhn.redhat.com/errata/RHSA-2010-0958.html

Comment 8 errata-xmlrpc 2011-01-11 19:46:16 UTC
This issue has been addressed in following products:

  Red Hat Enterprise Linux 6

Via RHSA-2011:0007 https://rhn.redhat.com/errata/RHSA-2011-0007.html

Comment 9 errata-xmlrpc 2011-01-13 21:58:53 UTC
This issue has been addressed in following products:

  Red Hat Enterprise Linux 5

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

Comment 10 errata-xmlrpc 2011-01-14 09:02:46 UTC
This issue has been addressed in following products:

  Red Hat Enterprise Linux 5

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

Comment 11 errata-xmlrpc 2011-01-18 17:45:35 UTC
This issue has been addressed in following products:

  Red Hat Enterprise Linux 4

Via RHSA-2011:0162 https://rhn.redhat.com/errata/RHSA-2011-0162.html


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