CVE-2014-8159

Impact:
Important
Public Date:
2015-03-11
CWE:
CWE-190
Bugzilla:
1181166: CVE-2014-8159 kernel: infiniband: uverbs: unprotected physical memory access
It was found that the Linux kernel's Infiniband subsystem did not properly sanitize input parameters while registering memory regions from user space via the (u)verbs API. A local user with access to a /dev/infiniband/uverbsX device could use this flaw to crash the system or, potentially, escalate their privileges on the system.

Find out more about CVE-2014-8159 from the MITRE CVE dictionary dictionary and NIST NVD.

Statement

This issue did affect the Linux kernel packages as shipped with Red Hat
Enterprise Linux 5, 6, and 7, and Red Hat Enterprise MRG 2. This issue
has been addressed in the respective releases.

CVSS v2 metrics

Base Score 6.2
Base Metrics AV:L/AC:H/Au:N/C:C/I:C/A:C
Access Vector Local
Access Complexity High
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 Advanced Update Support 6.2 (kernel) RHSA-2015:0695 2015-03-17
Red Hat Enterprise Linux EUS (v. 5.9 server) (kernel) RHSA-2015:0870 2015-04-22
Red Hat Enterprise Linux 6 (kernel) RHSA-2015:0674 2015-03-11
Red Hat Enterprise Linux 5 (kernel) RHSA-2015:0783 2015-04-07
Red Hat Enterprise Linux Advanced Update Support 6.4 (kernel) RHSA-2015:0803 2015-04-14
Red Hat Enterprise Linux Long Life (v. 5.6 server) (kernel) RHSA-2015:0919 2015-04-30
Red Hat MRG Grid for RHEL 6 Server v.2 (kernel-rt) RHSA-2015:0751 2015-03-30
Red Hat Enterprise Linux Extended Update Support 6.5 (kernel) RHSA-2015:0782 2015-04-07
Red Hat Enterprise Linux 7 (kernel) RHSA-2015:0726 2015-03-26
Red Hat Enterprise Linux for Real Time for NFV (v. 7) (kernel-rt) RHSA-2015:0727 2015-03-26
Unless explicitly stated as not affected, all previous versions of packages in any minor update stream of a product listed here should be assumed vulnerable, although may not have been subject to full analysis.

Acknowledgements

Red Hat would like to thank Mellanox for reporting this issue.
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