CVE-2011-1495

Impact:
Important
Public Date:
2011-04-05
IAVA:
2011-A-0147, 2012-A-0020
CWE:
CWE-119
Bugzilla:
694021: CVE-2011-1494 CVE-2011-1495 kernel: drivers/scsi/mpt2sas: prevent heap overflows

The MITRE CVE dictionary describes this issue as:

drivers/scsi/mpt2sas/mpt2sas_ctl.c in the Linux kernel 2.6.38 and earlier does not validate (1) length and (2) offset values before performing memory copy operations, which might allow local users to gain privileges, cause a denial of service (memory corruption), or obtain sensitive information from kernel memory via a crafted ioctl call, related to the _ctl_do_mpt_command and _ctl_diag_read_buffer functions.

Find out more about CVE-2011-1495 from the MITRE CVE dictionary dictionary and NIST NVD.

Statement

This issue did not affect the version of Linux kernel as shipped with Red Hat
Enterprise Linux 4 as it did not provide support for MPT (Message Passing
Technology) based controllers. This has been addressed in Red Hat Enterprise Linux 5, 6, and Red Hat Enterprise MRG via https://rhn.redhat.com/errata/RHSA-2011-0833.html, and https://rhn.redhat.com/errata/RHSA-2011-0542.html, and https://rhn.redhat.com/errata/RHSA-2011-1253.html.

CVSS v2 metrics

Base Score 7.2
Base Metrics AV:L/AC:L/Au:N/C:C/I:C/A:C
Access Vector Local
Access Complexity Low
Authentication None
Confidentiality Impact Complete
Integrity Impact Complete
Availability Impact Complete

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 Server EUS (v. 6.0) (kernel) RHSA-2011:0883 2011-06-21
Red Hat Enterprise Linux 5 (kernel) RHSA-2011:0833 2011-05-31
Red Hat Enterprise Linux 6 (kernel) RHSA-2011:0542 2011-05-19
Red Hat MRG Grid for RHEL 6 Server v.2 (kernel-rt) RHSA-2011:1253 2011-09-12

Affected Packages State

Platform Package State
Red Hat Enterprise MRG 1.3 realtime-kernel Affected
Red Hat Enterprise Linux 4 kernel Not affected

Acknowledgements

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

CVE description copyright © 2017, The MITRE Corporation