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CVE Database

CVE-2010-4072

Impact: Low
Public: 2010-10-06
Bugzilla: 648656: CVE-2010-4072 kernel: ipc/shm.c: reading uninitialized stack memory
IAVA: 2011-A-0147

Details

The MITRE CVE dictionary describes this issue as:

The copy_shmid_to_user function in ipc/shm.c in the Linux kernel before 2.6.37-rc1 does not initialize a certain structure, which allows local users to obtain potentially sensitive information from kernel stack memory via vectors related to the shmctl system call and the "old shm interface."

Find out more about CVE-2010-4072 from the MITRE CVE dictionary and NIST NVD.

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

CVSS v2 metrics

Base Score: 1.9
Base Metrics: AV:L/AC:M/Au:N/C:P/I:N/A:N
Access Vector: Local
Access Complexity: Medium
Authentication: None
Confidentiality Impact: Partial
Integrity Impact: None
Availability Impact: None

Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).

Red Hat security errata

Platform Errata Release Date
MRG Grid for RHEL 5 Server (kernel-rt) RHSA-2010:0958 December 08, 2010
Red Hat Enterprise Linux version 4 (kernel) RHSA-2011:0162 January 18, 2011
Red Hat Enterprise Linux version 5 (kernel) RHSA-2011:0017 January 13, 2011
Red Hat Enterprise Linux version 6 (kernel) RHSA-2011:0007 January 11, 2011

External References

Acknowledgements

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

This page is generated automatically and has not been checked for errors or omissions.

For clarification or corrections please contact the Red Hat Security Response Team.