Public Date:
736425: CVE-2011-3347 kernel: be2net: promiscuous mode and non-member VLAN packets DoS

The MITRE CVE dictionary describes this issue as:

A certain Red Hat patch to the be2net implementation in the kernel package before 2.6.32-218.el6 on Red Hat Enterprise Linux (RHEL) 6, when promiscuous mode is enabled, allows remote attackers to cause a denial of service (system crash) via non-member VLAN packets.

Find out more about CVE-2011-3347 from the MITRE CVE dictionary dictionary and NIST NVD.


This has been addressed in Red Hat Enterprise Linux 5 via This issue did not affect the versions of Linux kernel as shipped with Red Hat Enterprise Linux 4 as it did not include support for ServerEngines' 10Gbps network adapter - BladeEngine. This has been addressed in Red Hat Enterprise Linux 6 via A future kernel update in Red Hat Enterprise MRG may address this issue.

CVSS v2 metrics

Base Score 4.6
Base Metrics AV:A/AC:H/Au:N/C:N/I:N/A:C
Access Vector Adjacent Network
Access Complexity High
Authentication None
Confidentiality Impact None
Integrity Impact None
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 6 (kernel) RHSA-2011:1530 2011-12-05
RHEV Agents (VDSM) RHSA-2011:1408 2011-10-26
Red Hat Enterprise Linux 5 (kernel) RHSA-2011:1386 2011-10-20
Red Hat Enterprise Linux Server EUS (v. 6.1) (kernel) RHSA-2012:0116 2012-02-15
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.


Red Hat would like to thank Somnath Kotur for reporting this issue.
Last Modified

CVE description copyright © 2017, The MITRE Corporation