CVE-2010-4074

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

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 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
Red Hat Enterprise Linux 6 (kernel) RHSA-2011:0007 2011-01-11
MRG Grid for RHEL 5 Server (kernel-rt) RHSA-2010:0958 2010-12-08

Acknowledgements

Red Hat would like to thank Dan Rosenberg for reporting this issue.

Mitigation

Last Modified

CVE description copyright © 2017, The MITRE Corporation