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CVE Database

CVE-2010-4074

Impact: Low
Public: 2010-09-15
Bugzilla: 648659: CVE-2010-4074 kernel: drivers/usb/serial/mos*.c: reading uninitialized stack memory

Details

The MITRE CVE dictionary describes this issue as:

The USB subsystem in the Linux kernel before 2.6.36-rc5 does not properly initialize certain structure members, which allows local users to obtain potentially sensitive information from kernel stack memory via vectors related to TIOCGICOUNT ioctl calls, and the (1) mos7720_ioctl function in drivers/usb/serial/mos7720.c and (2) mos7840_ioctl function in drivers/usb/serial/mos7840.c.

Find out more about CVE-2010-4074 from the MITRE CVE dictionary and NIST NVD.

Statement

This issue did not affect the versions of Linux kernel as shipped with Red Hat
Enterprise Linux 3, 4, and 5 as they did not include support for Moschip USB
serial port adapters.

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 6 (kernel) RHSA-2011:0007 January 11, 2011

External References

Acknowledgements

Red Hat would like to thank Dan Rosenberg 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.