CVE-2011-2494

Impact:
Low
Public Date:
2011-06-21
Bugzilla:
716842: CVE-2011-2494 kernel: taskstats io infoleak

The MITRE CVE dictionary describes this issue as:

kernel/taskstats.c in the Linux kernel before 3.1 allows local users to obtain sensitive I/O statistics by sending taskstats commands to a netlink socket, as demonstrated by discovering the length of another user's password.

Find out more about CVE-2011-2494 from the MITRE CVE dictionary dictionary and NIST NVD.

Statement

This issue did not affect the versions of Linux kernel as shipped with Red Hat Enterprise Linux 4 as it did not provide support for the Taskstats interface. This has been addressed in Red Hat Enterprise Linux 5, 6 and Red Hat Enterprise MRG via https://rhn.redhat.com/errata/RHSA-2011-1479.html, https://rhn.redhat.com/errata/RHSA-2011-1465.html, and https://rhn.redhat.com/errata/RHSA-2012-0010.html.

CVSS v2 metrics

Base Score 2.1
Base Metrics AV:L/AC:L/Au:N/C:P/I:N/A:N
Access Vector Local
Access Complexity Low
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
Red Hat MRG Grid for RHEL 6 Server v.2 (kernel-rt) RHSA-2012:0010 2012-01-10
Red Hat Enterprise Linux 6 (kernel) RHSA-2011:1465 2011-11-22
Red Hat Enterprise Linux 5 (kernel) RHSA-2011:1479 2011-11-29

Affected Packages State

Platform Package State
Red Hat Enterprise MRG 2 realtime-kernel Affected
Red Hat Enterprise Linux 4 kernel Not affected

Acknowledgements

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

Last Modified

CVE description copyright © 2017, The MITRE Corporation

Close

Welcome! Check out the Getting Started with Red Hat page for quick tours and guides for common tasks.