Public Date:
924689: CVE-2013-2634 kernel: Information leak in the Data Center Bridging (DCB) component

The MITRE CVE dictionary describes this issue as:

net/dcb/dcbnl.c in the Linux kernel before 3.8.4 does not initialize certain structures, which allows local users to obtain sensitive information from kernel stack memory via a crafted application.

Find out more about CVE-2013-2634 from the MITRE CVE dictionary dictionary and NIST NVD.


This issue does not affect the version of the kernel package as shipped with Red Hat Enterprise Linux 5. This issue does affect the versions of Linux kernel as shipped with Red Hat Enterprise Linux 6 and Red Hat Enterprise MRG 2. Future kernel updates for Red Hat Enterprise Linux 6 and Red Hat Enterprise MRG 2 may address this issue.

CVSS v2 metrics

NOTE: The following CVSS v2 metrics and score provided are preliminary and subject to review.

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 OpenStack Platform 3.0 (kernel) RHSA-2013:1080 2013-07-16
MRG Grid for RHEL 6 Server v.2 (kernel-rt) RHSA-2013:0829 2013-05-20
Red Hat Enterprise Linux version 6 (kernel) RHSA-2013:1051 2013-07-16

Affected Packages State

Platform Package State
Red Hat Enterprise Linux 5 kernel Not affected